Lead acid Battery

  • CHISEN OPzS 2V 1000Ah Battery: Complete Technical Guide

    CHISEN OPzS 2V 1000Ah Tubular Flooded Battery
    CHISEN OPzS 2V 1000Ah Tubular Flooded Battery

    The CHISEN OPzS 2V 1000Ah battery is an industrial-grade tubular flooded lead-acid battery. This complete technical guide covers specifications, applications, performance data, and maintenance for the 1000Ah model.

    1. Product Overview

    The CHISEN OPzS 2V 1000Ah uses tubular flooded technology — the proven industrial design trusted for decades in heavy-cycle applications. The OPzS designation follows IEC international standard for stationary tubular plate VRLA batteries with liquid electrolyte.

    The 1000Ah capacity is designed for large commercial solar-plus-storage, telecom switching centers, utility substation protection, and data center UPS applications.

    2. Technical Principles

    OPzS flooded batteries feature: tubular positive plates with wound tube construction that prevents active material shedding — the primary failure mode in flat-plate designs. Free-flowing sulfuric acid electrolyte provides maximum ionic conductivity and superior heat dissipation. Plante negative plates maximize surface area for high discharge currents.

    3. Performance Specifications

    • Capacity: 1000Ah @ C20 discharge rate
    • Voltage: 2V nominal (single cell format)
    • Cycle life: 1,500-2,000 cycles @ 80% DoD — longest of any lead-acid type
    • Float life: 18-25 years @ 25C ambient
    • Operating temperature: -20C to +60C
    • Heat dissipation: Liquid electrolyte handles high-current and high-temperature environments
    • Self-discharge: 3-5% per month @ 25C

    4. Application Scenarios

    • Large solar-plus-storage (50-200kWh)
    • Telecom switching centers (8+ hour)
    • Utility substation DC protection
    • Data center UPS systems
    • Off-grid microgrid storage

    5. Maintenance Guide

    OPzS flooded batteries require regular maintenance for maximum service life: Monthly water checks — top up with distilled water to indicated level after a full charge. Never let plates become exposed. Equalization charging every 30-60 days at 14.4V per 12V unit for 4-8 hours. Specific gravity testing quarterly with hydrometer (full charge: 1.240-1.280 @ 25C). Terminal maintenance — clean and apply petroleum jelly. Ventilation — ensure adequate airflow for hydrogen gas safety.

    6. OPzS vs OPzV: Which to Choose?

    OPzS flooded batteries offer: 1,500-2,000 cycles at 80% DoD, superior heat dissipation, and the lowest total cost of ownership for applications where periodic maintenance is feasible. OPzV GEL batteries offer sealed maintenance-free operation, 1,200-1,500 cycles, and -40C cold temperature capability.

    Choose OPzS for: telecom BTS with maintenance staff, solar installations in temperate climates with accessible battery rooms, heavy industrial cycling applications. Choose OPzV for: sealed/unattended installations, extreme temperature environments, rooftop solar, and applications where maintenance access is limited.


    Get a Quote for CHISEN OPzS 2V 1000Ah

    CHISEN Battery: 8 global factories | 70 million kVAh/year | CE, ISO9001, ISO14001, TUV Rheinland certified

    Tel: +86 131 2666 8999 | Email: jack@chisen.cn | Web: www.chisen.cn

    Download OPzS 2V 1000Ah Official Spec Sheet (PDF)

    Download PDF Specification

  • CHISEN OPzS 2V 800Ah Battery: Complete Technical Guide

    CHISEN OPzS 2V 800Ah Tubular Flooded Battery
    CHISEN OPzS 2V 800Ah Tubular Flooded Battery

    The CHISEN OPzS 2V 800Ah battery is an industrial-grade tubular flooded lead-acid battery. This complete technical guide covers specifications, applications, performance data, and maintenance for the 800Ah model.

    1. Product Overview

    The CHISEN OPzS 2V 800Ah uses tubular flooded technology — the proven industrial design trusted for decades in heavy-cycle applications. The OPzS designation follows IEC international standard for stationary tubular plate VRLA batteries with liquid electrolyte.

    The 800Ah capacity is designed for large commercial solar-plus-storage, telecom switching centers, utility substation protection, and data center UPS applications.

    2. Technical Principles

    OPzS flooded batteries feature: tubular positive plates with wound tube construction that prevents active material shedding — the primary failure mode in flat-plate designs. Free-flowing sulfuric acid electrolyte provides maximum ionic conductivity and superior heat dissipation. Plante negative plates maximize surface area for high discharge currents.

    3. Performance Specifications

    • Capacity: 800Ah @ C20 discharge rate
    • Voltage: 2V nominal (single cell format)
    • Cycle life: 1,500-2,000 cycles @ 80% DoD — longest of any lead-acid type
    • Float life: 18-25 years @ 25C ambient
    • Operating temperature: -20C to +60C
    • Heat dissipation: Liquid electrolyte handles high-current and high-temperature environments
    • Self-discharge: 3-5% per month @ 25C

    4. Application Scenarios

    • Large solar-plus-storage (50-200kWh)
    • Telecom switching centers (8+ hour)
    • Utility substation DC protection
    • Data center UPS systems
    • Off-grid microgrid storage

    5. Maintenance Guide

    OPzS flooded batteries require regular maintenance for maximum service life: Monthly water checks — top up with distilled water to indicated level after a full charge. Never let plates become exposed. Equalization charging every 30-60 days at 14.4V per 12V unit for 4-8 hours. Specific gravity testing quarterly with hydrometer (full charge: 1.240-1.280 @ 25C). Terminal maintenance — clean and apply petroleum jelly. Ventilation — ensure adequate airflow for hydrogen gas safety.

    6. OPzS vs OPzV: Which to Choose?

    OPzS flooded batteries offer: 1,500-2,000 cycles at 80% DoD, superior heat dissipation, and the lowest total cost of ownership for applications where periodic maintenance is feasible. OPzV GEL batteries offer sealed maintenance-free operation, 1,200-1,500 cycles, and -40C cold temperature capability.

    Choose OPzS for: telecom BTS with maintenance staff, solar installations in temperate climates with accessible battery rooms, heavy industrial cycling applications. Choose OPzV for: sealed/unattended installations, extreme temperature environments, rooftop solar, and applications where maintenance access is limited.


    Get a Quote for CHISEN OPzS 2V 800Ah

    CHISEN Battery: 8 global factories | 70 million kVAh/year | CE, ISO9001, ISO14001, TUV Rheinland certified

    Tel: +86 131 2666 8999 | Email: jack@chisen.cn | Web: www.chisen.cn

    Download OPzS 2V 800Ah Official Spec Sheet (PDF)

    Download PDF Specification

  • CHISEN OPzS 2V 600Ah Battery: Complete Technical Guide

    CHISEN OPzS 2V 600Ah Tubular Flooded Battery
    CHISEN OPzS 2V 600Ah Tubular Flooded Battery

    The CHISEN OPzS 2V 600Ah battery is an industrial-grade tubular flooded lead-acid battery. This complete technical guide covers specifications, applications, performance data, and maintenance for the 600Ah model.

    1. Product Overview

    The CHISEN OPzS 2V 600Ah uses tubular flooded technology — the proven industrial design trusted for decades in heavy-cycle applications. The OPzS designation follows IEC international standard for stationary tubular plate VRLA batteries with liquid electrolyte.

    The 600Ah capacity is designed for large commercial solar-plus-storage, telecom switching centers, utility substation protection, and data center UPS applications.

    2. Technical Principles

    OPzS flooded batteries feature: tubular positive plates with wound tube construction that prevents active material shedding — the primary failure mode in flat-plate designs. Free-flowing sulfuric acid electrolyte provides maximum ionic conductivity and superior heat dissipation. Plante negative plates maximize surface area for high discharge currents.

    3. Performance Specifications

    • Capacity: 600Ah @ C20 discharge rate
    • Voltage: 2V nominal (single cell format)
    • Cycle life: 1,500-2,000 cycles @ 80% DoD — longest of any lead-acid type
    • Float life: 18-25 years @ 25C ambient
    • Operating temperature: -20C to +60C
    • Heat dissipation: Liquid electrolyte handles high-current and high-temperature environments
    • Self-discharge: 3-5% per month @ 25C

    4. Application Scenarios

    • Large solar-plus-storage (50-200kWh)
    • Telecom switching centers (8+ hour)
    • Utility substation DC protection
    • Data center UPS systems
    • Off-grid microgrid storage

    5. Maintenance Guide

    OPzS flooded batteries require regular maintenance for maximum service life: Monthly water checks — top up with distilled water to indicated level after a full charge. Never let plates become exposed. Equalization charging every 30-60 days at 14.4V per 12V unit for 4-8 hours. Specific gravity testing quarterly with hydrometer (full charge: 1.240-1.280 @ 25C). Terminal maintenance — clean and apply petroleum jelly. Ventilation — ensure adequate airflow for hydrogen gas safety.

    6. OPzS vs OPzV: Which to Choose?

    OPzS flooded batteries offer: 1,500-2,000 cycles at 80% DoD, superior heat dissipation, and the lowest total cost of ownership for applications where periodic maintenance is feasible. OPzV GEL batteries offer sealed maintenance-free operation, 1,200-1,500 cycles, and -40C cold temperature capability.

    Choose OPzS for: telecom BTS with maintenance staff, solar installations in temperate climates with accessible battery rooms, heavy industrial cycling applications. Choose OPzV for: sealed/unattended installations, extreme temperature environments, rooftop solar, and applications where maintenance access is limited.


    Get a Quote for CHISEN OPzS 2V 600Ah

    CHISEN Battery: 8 global factories | 70 million kVAh/year | CE, ISO9001, ISO14001, TUV Rheinland certified

    Tel: +86 131 2666 8999 | Email: jack@chisen.cn | Web: www.chisen.cn

    Download OPzS 2V 600Ah Official Spec Sheet (PDF)

    Download PDF Specification

  • CHISEN OPzS 2V 500Ah Battery: Complete Technical Guide

    CHISEN OPzS 2V 500Ah Tubular Flooded Battery
    CHISEN OPzS 2V 500Ah Tubular Flooded Battery

    The CHISEN OPzS 2V 500Ah battery is an industrial-grade tubular flooded lead-acid battery. This complete technical guide covers specifications, applications, performance data, and maintenance for the 500Ah model.

    1. Product Overview

    The CHISEN OPzS 2V 500Ah uses tubular flooded technology — the proven industrial design trusted for decades in heavy-cycle applications. The OPzS designation follows IEC international standard for stationary tubular plate VRLA batteries with liquid electrolyte.

    The 500Ah capacity suits commercial solar installations, telecom BTS stations, hospital emergency power, and industrial UPS systems requiring robust daily cycling performance.

    2. Technical Principles

    OPzS flooded batteries feature: tubular positive plates with wound tube construction that prevents active material shedding — the primary failure mode in flat-plate designs. Free-flowing sulfuric acid electrolyte provides maximum ionic conductivity and superior heat dissipation. Plante negative plates maximize surface area for high discharge currents.

    3. Performance Specifications

    • Capacity: 500Ah @ C20 discharge rate
    • Voltage: 2V nominal (single cell format)
    • Cycle life: 1,500-2,000 cycles @ 80% DoD — longest of any lead-acid type
    • Float life: 18-25 years @ 25C ambient
    • Operating temperature: -20C to +60C
    • Heat dissipation: Liquid electrolyte handles high-current and high-temperature environments
    • Self-discharge: 3-5% per month @ 25C

    4. Application Scenarios

    • Commercial solar installations (10-30kWh)
    • Telecom BTS stations (4-8 hour backup)
    • Hospital and clinic emergency power
    • Industrial process control backup
    • Solar street lighting systems

    5. Maintenance Guide

    OPzS flooded batteries require regular maintenance for maximum service life: Monthly water checks — top up with distilled water to indicated level after a full charge. Never let plates become exposed. Equalization charging every 30-60 days at 14.4V per 12V unit for 4-8 hours. Specific gravity testing quarterly with hydrometer (full charge: 1.240-1.280 @ 25C). Terminal maintenance — clean and apply petroleum jelly. Ventilation — ensure adequate airflow for hydrogen gas safety.

    6. OPzS vs OPzV: Which to Choose?

    OPzS flooded batteries offer: 1,500-2,000 cycles at 80% DoD, superior heat dissipation, and the lowest total cost of ownership for applications where periodic maintenance is feasible. OPzV GEL batteries offer sealed maintenance-free operation, 1,200-1,500 cycles, and -40C cold temperature capability.

    Choose OPzS for: telecom BTS with maintenance staff, solar installations in temperate climates with accessible battery rooms, heavy industrial cycling applications. Choose OPzV for: sealed/unattended installations, extreme temperature environments, rooftop solar, and applications where maintenance access is limited.


    Get a Quote for CHISEN OPzS 2V 500Ah

    CHISEN Battery: 8 global factories | 70 million kVAh/year | CE, ISO9001, ISO14001, TUV Rheinland certified

    Tel: +86 131 2666 8999 | Email: jack@chisen.cn | Web: www.chisen.cn

  • CHISEN OPzS 2V 420Ah Battery: Complete Technical Guide

    CHISEN OPzS 2V 420Ah Tubular Flooded Battery
    CHISEN OPzS 2V 420Ah Tubular Flooded Battery

    The CHISEN OPzS 2V 420Ah battery is an industrial-grade tubular flooded lead-acid battery. This complete technical guide covers specifications, applications, performance data, and maintenance for the 420Ah model.

    1. Product Overview

    The CHISEN OPzS 2V 420Ah uses tubular flooded technology — the proven industrial design trusted for decades in heavy-cycle applications. The OPzS designation follows IEC international standard for stationary tubular plate VRLA batteries with liquid electrolyte.

    The 420Ah capacity suits commercial solar installations, telecom BTS stations, hospital emergency power, and industrial UPS systems requiring robust daily cycling performance.

    2. Technical Principles

    OPzS flooded batteries feature: tubular positive plates with wound tube construction that prevents active material shedding — the primary failure mode in flat-plate designs. Free-flowing sulfuric acid electrolyte provides maximum ionic conductivity and superior heat dissipation. Plante negative plates maximize surface area for high discharge currents.

    3. Performance Specifications

    • Capacity: 420Ah @ C20 discharge rate
    • Voltage: 2V nominal (single cell format)
    • Cycle life: 1,500-2,000 cycles @ 80% DoD — longest of any lead-acid type
    • Float life: 18-25 years @ 25C ambient
    • Operating temperature: -20C to +60C
    • Heat dissipation: Liquid electrolyte handles high-current and high-temperature environments
    • Self-discharge: 3-5% per month @ 25C

    4. Application Scenarios

    • Commercial solar installations (10-30kWh)
    • Telecom BTS stations (4-8 hour backup)
    • Hospital and clinic emergency power
    • Industrial process control backup
    • Solar street lighting systems

    5. Maintenance Guide

    OPzS flooded batteries require regular maintenance for maximum service life: Monthly water checks — top up with distilled water to indicated level after a full charge. Never let plates become exposed. Equalization charging every 30-60 days at 14.4V per 12V unit for 4-8 hours. Specific gravity testing quarterly with hydrometer (full charge: 1.240-1.280 @ 25C). Terminal maintenance — clean and apply petroleum jelly. Ventilation — ensure adequate airflow for hydrogen gas safety.

    6. OPzS vs OPzV: Which to Choose?

    OPzS flooded batteries offer: 1,500-2,000 cycles at 80% DoD, superior heat dissipation, and the lowest total cost of ownership for applications where periodic maintenance is feasible. OPzV GEL batteries offer sealed maintenance-free operation, 1,200-1,500 cycles, and -40C cold temperature capability.

    Choose OPzS for: telecom BTS with maintenance staff, solar installations in temperate climates with accessible battery rooms, heavy industrial cycling applications. Choose OPzV for: sealed/unattended installations, extreme temperature environments, rooftop solar, and applications where maintenance access is limited.


    Get a Quote for CHISEN OPzS 2V 420Ah

    CHISEN Battery: 8 global factories | 70 million kVAh/year | CE, ISO9001, ISO14001, TUV Rheinland certified

    Tel: +86 131 2666 8999 | Email: jack@chisen.cn | Web: www.chisen.cn

    Download OPzS 2V 420Ah Official Spec Sheet (PDF)

    Download PDF Specification

  • CHISEN OPzS 2V 350Ah Battery: Complete Technical Guide

    CHISEN OPzS 2V 350Ah Tubular Flooded Battery
    CHISEN OPzS 2V 350Ah Tubular Flooded Battery

    The CHISEN OPzS 2V 350Ah battery is an industrial-grade tubular flooded lead-acid battery. This complete technical guide covers specifications, applications, performance data, and maintenance for the 350Ah model.

    1. Product Overview

    The CHISEN OPzS 2V 350Ah uses tubular flooded technology — the proven industrial design trusted for decades in heavy-cycle applications. The OPzS designation follows IEC international standard for stationary tubular plate VRLA batteries with liquid electrolyte.

    The 350Ah capacity suits commercial solar installations, telecom BTS stations, hospital emergency power, and industrial UPS systems requiring robust daily cycling performance.

    2. Technical Principles

    OPzS flooded batteries feature: tubular positive plates with wound tube construction that prevents active material shedding — the primary failure mode in flat-plate designs. Free-flowing sulfuric acid electrolyte provides maximum ionic conductivity and superior heat dissipation. Plante negative plates maximize surface area for high discharge currents.

    3. Performance Specifications

    • Capacity: 350Ah @ C20 discharge rate
    • Voltage: 2V nominal (single cell format)
    • Cycle life: 1,500-2,000 cycles @ 80% DoD — longest of any lead-acid type
    • Float life: 18-25 years @ 25C ambient
    • Operating temperature: -20C to +60C
    • Heat dissipation: Liquid electrolyte handles high-current and high-temperature environments
    • Self-discharge: 3-5% per month @ 25C

    4. Application Scenarios

    • Commercial solar installations (10-30kWh)
    • Telecom BTS stations (4-8 hour backup)
    • Hospital and clinic emergency power
    • Industrial process control backup
    • Solar street lighting systems

    5. Maintenance Guide

    OPzS flooded batteries require regular maintenance for maximum service life: Monthly water checks — top up with distilled water to indicated level after a full charge. Never let plates become exposed. Equalization charging every 30-60 days at 14.4V per 12V unit for 4-8 hours. Specific gravity testing quarterly with hydrometer (full charge: 1.240-1.280 @ 25C). Terminal maintenance — clean and apply petroleum jelly. Ventilation — ensure adequate airflow for hydrogen gas safety.

    6. OPzS vs OPzV: Which to Choose?

    OPzS flooded batteries offer: 1,500-2,000 cycles at 80% DoD, superior heat dissipation, and the lowest total cost of ownership for applications where periodic maintenance is feasible. OPzV GEL batteries offer sealed maintenance-free operation, 1,200-1,500 cycles, and -40C cold temperature capability.

    Choose OPzS for: telecom BTS with maintenance staff, solar installations in temperate climates with accessible battery rooms, heavy industrial cycling applications. Choose OPzV for: sealed/unattended installations, extreme temperature environments, rooftop solar, and applications where maintenance access is limited.


    Get a Quote for CHISEN OPzS 2V 350Ah

    CHISEN Battery: 8 global factories | 70 million kVAh/year | CE, ISO9001, ISO14001, TUV Rheinland certified

    Tel: +86 131 2666 8999 | Email: jack@chisen.cn | Web: www.chisen.cn

    Download OPzS 2V 350Ah Official Spec Sheet (PDF)

    Download PDF Specification

  • CHISEN OPzS 2V 300Ah Battery: Complete Technical Guide

    CHISEN OPzS 2V 300Ah Tubular Flooded Battery
    CHISEN OPzS 2V 300Ah Tubular Flooded Battery

    The CHISEN OPzS 2V 300Ah battery is an industrial-grade tubular flooded lead-acid battery. This complete technical guide covers specifications, applications, performance data, and maintenance for the 300Ah model.

    1. Product Overview

    The CHISEN OPzS 2V 300Ah uses tubular flooded technology — the proven industrial design trusted for decades in heavy-cycle applications. The OPzS designation follows IEC international standard for stationary tubular plate VRLA batteries with liquid electrolyte.

    The 300Ah capacity suits commercial solar installations, telecom BTS stations, hospital emergency power, and industrial UPS systems requiring robust daily cycling performance.

    2. Technical Principles

    OPzS flooded batteries feature: tubular positive plates with wound tube construction that prevents active material shedding — the primary failure mode in flat-plate designs. Free-flowing sulfuric acid electrolyte provides maximum ionic conductivity and superior heat dissipation. Plante negative plates maximize surface area for high discharge currents.

    3. Performance Specifications

    • Capacity: 300Ah @ C20 discharge rate
    • Voltage: 2V nominal (single cell format)
    • Cycle life: 1,500-2,000 cycles @ 80% DoD — longest of any lead-acid type
    • Float life: 18-25 years @ 25C ambient
    • Operating temperature: -20C to +60C
    • Heat dissipation: Liquid electrolyte handles high-current and high-temperature environments
    • Self-discharge: 3-5% per month @ 25C

    4. Application Scenarios

    • Commercial solar installations (10-30kWh)
    • Telecom BTS stations (4-8 hour backup)
    • Hospital and clinic emergency power
    • Industrial process control backup
    • Solar street lighting systems

    5. Maintenance Guide

    OPzS flooded batteries require regular maintenance for maximum service life: Monthly water checks — top up with distilled water to indicated level after a full charge. Never let plates become exposed. Equalization charging every 30-60 days at 14.4V per 12V unit for 4-8 hours. Specific gravity testing quarterly with hydrometer (full charge: 1.240-1.280 @ 25C). Terminal maintenance — clean and apply petroleum jelly. Ventilation — ensure adequate airflow for hydrogen gas safety.

    6. OPzS vs OPzV: Which to Choose?

    OPzS flooded batteries offer: 1,500-2,000 cycles at 80% DoD, superior heat dissipation, and the lowest total cost of ownership for applications where periodic maintenance is feasible. OPzV GEL batteries offer sealed maintenance-free operation, 1,200-1,500 cycles, and -40C cold temperature capability.

    Choose OPzS for: telecom BTS with maintenance staff, solar installations in temperate climates with accessible battery rooms, heavy industrial cycling applications. Choose OPzV for: sealed/unattended installations, extreme temperature environments, rooftop solar, and applications where maintenance access is limited.


    Get a Quote for CHISEN OPzS 2V 300Ah

    CHISEN Battery: 8 global factories | 70 million kVAh/year | CE, ISO9001, ISO14001, TUV Rheinland certified

    Tel: +86 131 2666 8999 | Email: jack@chisen.cn | Web: www.chisen.cn

  • CHISEN OPzS 2V 250Ah Battery: Complete Technical Guide

    CHISEN OPzS 2V 250Ah Tubular Flooded Battery
    CHISEN OPzS 2V 250Ah Tubular Flooded Battery

    The CHISEN OPzS 2V 250Ah battery is an industrial-grade tubular flooded lead-acid battery. This complete technical guide covers specifications, applications, performance data, and maintenance for the 250Ah model.

    1. Product Overview

    The CHISEN OPzS 2V 250Ah uses tubular flooded technology — the proven industrial design trusted for decades in heavy-cycle applications. The OPzS designation follows IEC international standard for stationary tubular plate VRLA batteries with liquid electrolyte.

    The 250Ah capacity suits commercial solar installations, telecom BTS stations, hospital emergency power, and industrial UPS systems requiring robust daily cycling performance.

    2. Technical Principles

    OPzS flooded batteries feature: tubular positive plates with wound tube construction that prevents active material shedding — the primary failure mode in flat-plate designs. Free-flowing sulfuric acid electrolyte provides maximum ionic conductivity and superior heat dissipation. Plante negative plates maximize surface area for high discharge currents.

    3. Performance Specifications

    • Capacity: 250Ah @ C20 discharge rate
    • Voltage: 2V nominal (single cell format)
    • Cycle life: 1,500-2,000 cycles @ 80% DoD — longest of any lead-acid type
    • Float life: 18-25 years @ 25C ambient
    • Operating temperature: -20C to +60C
    • Heat dissipation: Liquid electrolyte handles high-current and high-temperature environments
    • Self-discharge: 3-5% per month @ 25C

    4. Application Scenarios

    • Commercial solar installations (10-30kWh)
    • Telecom BTS stations (4-8 hour backup)
    • Hospital and clinic emergency power
    • Industrial process control backup
    • Solar street lighting systems

    5. Maintenance Guide

    OPzS flooded batteries require regular maintenance for maximum service life: Monthly water checks — top up with distilled water to indicated level after a full charge. Never let plates become exposed. Equalization charging every 30-60 days at 14.4V per 12V unit for 4-8 hours. Specific gravity testing quarterly with hydrometer (full charge: 1.240-1.280 @ 25C). Terminal maintenance — clean and apply petroleum jelly. Ventilation — ensure adequate airflow for hydrogen gas safety.

    6. OPzS vs OPzV: Which to Choose?

    OPzS flooded batteries offer: 1,500-2,000 cycles at 80% DoD, superior heat dissipation, and the lowest total cost of ownership for applications where periodic maintenance is feasible. OPzV GEL batteries offer sealed maintenance-free operation, 1,200-1,500 cycles, and -40C cold temperature capability.

    Choose OPzS for: telecom BTS with maintenance staff, solar installations in temperate climates with accessible battery rooms, heavy industrial cycling applications. Choose OPzV for: sealed/unattended installations, extreme temperature environments, rooftop solar, and applications where maintenance access is limited.


    Get a Quote for CHISEN OPzS 2V 250Ah

    CHISEN Battery: 8 global factories | 70 million kVAh/year | CE, ISO9001, ISO14001, TUV Rheinland certified

    Tel: +86 131 2666 8999 | Email: jack@chisen.cn | Web: www.chisen.cn

    Download OPzS 2V 250Ah Official Spec Sheet (PDF)

    Download PDF Specification

  • CHISEN OPzS 2V 200Ah Battery: Complete Technical Guide

    CHISEN OPzS 2V 200Ah Tubular Flooded Battery
    CHISEN OPzS 2V 200Ah Tubular Flooded Battery

    The CHISEN OPzS 2V 200Ah battery is an industrial-grade tubular flooded lead-acid battery. This complete technical guide covers specifications, applications, performance data, and maintenance for the 200Ah model.

    1. Product Overview

    The CHISEN OPzS 2V 200Ah uses tubular flooded technology — the proven industrial design trusted for decades in heavy-cycle applications. The OPzS designation follows IEC international standard for stationary tubular plate VRLA batteries with liquid electrolyte.

    The 200Ah capacity is ideal for small solar home systems, telecom micro-sites, traffic signal backup, and residential UPS applications requiring reliable backup power.

    2. Technical Principles

    OPzS flooded batteries feature: tubular positive plates with wound tube construction that prevents active material shedding — the primary failure mode in flat-plate designs. Free-flowing sulfuric acid electrolyte provides maximum ionic conductivity and superior heat dissipation. Plante negative plates maximize surface area for high discharge currents.

    3. Performance Specifications

    • Capacity: 200Ah @ C20 discharge rate
    • Voltage: 2V nominal (single cell format)
    • Cycle life: 1,500-2,000 cycles @ 80% DoD — longest of any lead-acid type
    • Float life: 18-25 years @ 25C ambient
    • Operating temperature: -20C to +60C
    • Heat dissipation: Liquid electrolyte handles high-current and high-temperature environments
    • Self-discharge: 3-5% per month @ 25C

    4. Application Scenarios

    • Small solar home and cabin systems
    • Telecom BTS micro-sites (2-4 hour backup)
    • Traffic signal backup systems
    • Emergency lighting central battery
    • Residential UPS systems

    5. Maintenance Guide

    OPzS flooded batteries require regular maintenance for maximum service life: Monthly water checks — top up with distilled water to indicated level after a full charge. Never let plates become exposed. Equalization charging every 30-60 days at 14.4V per 12V unit for 4-8 hours. Specific gravity testing quarterly with hydrometer (full charge: 1.240-1.280 @ 25C). Terminal maintenance — clean and apply petroleum jelly. Ventilation — ensure adequate airflow for hydrogen gas safety.

    6. OPzS vs OPzV: Which to Choose?

    OPzS flooded batteries offer: 1,500-2,000 cycles at 80% DoD, superior heat dissipation, and the lowest total cost of ownership for applications where periodic maintenance is feasible. OPzV GEL batteries offer sealed maintenance-free operation, 1,200-1,500 cycles, and -40C cold temperature capability.

    Choose OPzS for: telecom BTS with maintenance staff, solar installations in temperate climates with accessible battery rooms, heavy industrial cycling applications. Choose OPzV for: sealed/unattended installations, extreme temperature environments, rooftop solar, and applications where maintenance access is limited.


    Get a Quote for CHISEN OPzS 2V 200Ah

    CHISEN Battery: 8 global factories | 70 million kVAh/year | CE, ISO9001, ISO14001, TUV Rheinland certified

    Tel: +86 131 2666 8999 | Email: jack@chisen.cn | Web: www.chisen.cn

    Download OPzS 2V 200Ah Official Spec Sheet (PDF)

    Download PDF Specification

  • CHISEN OPzS 2V 150Ah Battery: Complete Technical Guide

    CHISEN OPzS 2V 150Ah Tubular Flooded Battery
    CHISEN OPzS 2V 150Ah Tubular Flooded Battery

    The CHISEN OPzS 2V 150Ah battery is an industrial-grade tubular flooded lead-acid battery. This complete technical guide covers specifications, applications, performance data, and maintenance for the 150Ah model.

    1. Product Overview

    The CHISEN OPzS 2V 150Ah uses tubular flooded technology — the proven industrial design trusted for decades in heavy-cycle applications. The OPzS designation follows IEC international standard for stationary tubular plate VRLA batteries with liquid electrolyte.

    The 150Ah capacity is ideal for small solar home systems, telecom micro-sites, traffic signal backup, and residential UPS applications requiring reliable backup power.

    2. Technical Principles

    OPzS flooded batteries feature: tubular positive plates with wound tube construction that prevents active material shedding — the primary failure mode in flat-plate designs. Free-flowing sulfuric acid electrolyte provides maximum ionic conductivity and superior heat dissipation. Plante negative plates maximize surface area for high discharge currents.

    3. Performance Specifications

    • Capacity: 150Ah @ C20 discharge rate
    • Voltage: 2V nominal (single cell format)
    • Cycle life: 1,500-2,000 cycles @ 80% DoD — longest of any lead-acid type
    • Float life: 18-25 years @ 25C ambient
    • Operating temperature: -20C to +60C
    • Heat dissipation: Liquid electrolyte handles high-current and high-temperature environments
    • Self-discharge: 3-5% per month @ 25C

    4. Application Scenarios

    • Small solar home and cabin systems
    • Telecom BTS micro-sites (2-4 hour backup)
    • Traffic signal backup systems
    • Emergency lighting central battery
    • Residential UPS systems

    5. Maintenance Guide

    OPzS flooded batteries require regular maintenance for maximum service life: Monthly water checks — top up with distilled water to indicated level after a full charge. Never let plates become exposed. Equalization charging every 30-60 days at 14.4V per 12V unit for 4-8 hours. Specific gravity testing quarterly with hydrometer (full charge: 1.240-1.280 @ 25C). Terminal maintenance — clean and apply petroleum jelly. Ventilation — ensure adequate airflow for hydrogen gas safety.

    6. OPzS vs OPzV: Which to Choose?

    OPzS flooded batteries offer: 1,500-2,000 cycles at 80% DoD, superior heat dissipation, and the lowest total cost of ownership for applications where periodic maintenance is feasible. OPzV GEL batteries offer sealed maintenance-free operation, 1,200-1,500 cycles, and -40C cold temperature capability.

    Choose OPzS for: telecom BTS with maintenance staff, solar installations in temperate climates with accessible battery rooms, heavy industrial cycling applications. Choose OPzV for: sealed/unattended installations, extreme temperature environments, rooftop solar, and applications where maintenance access is limited.


    Get a Quote for CHISEN OPzS 2V 150Ah

    CHISEN Battery: 8 global factories | 70 million kVAh/year | CE, ISO9001, ISO14001, TUV Rheinland certified

    Tel: +86 131 2666 8999 | Email: jack@chisen.cn | Web: www.chisen.cn

    Download OPzS 2V 150Ah Official Spec Sheet (PDF)

    Download PDF Specification