Lead acid Battery

• CHISEN OPzS 2V 100Ah Battery: Complete Technical Guide

  

  The CHISEN OPzS 2V 100Ah battery is an industrial-grade tubular flooded lead-acid battery. This complete technical guide covers specifications, applications, performance data, and maintenance for the 100Ah model.

  1. Product Overview

  The CHISEN OPzS 2V 100Ah 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 100Ah 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: 100Ah @ 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.

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  Get a Quote for CHISEN OPzS 2V 100Ah

  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 100Ah Official Spec Sheet (PDF)

  Download PDF Specification

  29 3 月, 2026

• CHISEN OPzV 2V 3000Ah Battery: Complete Technical Guide

  

  The CHISEN OPzV 2V 3000Ah battery is a professional grade stationary lead-acid battery featuring tubular GEL technology. This complete guide covers specifications, applications, performance data, and maintenance for the 3000Ah model.

  1. Product Overview

  The CHISEN OPzV 2V 3000Ah battery follows the IEC international standard designation where “OPzV” indicates the tubular plate stationary VRLA design, and “3000Ah” specifies the rated capacity of 3000 ampere-hours at C20 discharge rate.

  This 2V single-cell format enables flexible system design: series connection builds higher voltages (48V for solar, 120V for UPS), while parallel strings increase total capacity. The 3000Ah capacity suits utility-scale energy storage, telecom hub sites, and MW-class renewable installations.

  2. Technical Principles

  The OPzV 2V 3000Ah uses tubular GEL technology — the most advanced sealed VRLA design:

  • Tubular positive plates: Lead dioxide in braided polyester tubes. Prevents shedding — the primary failure mode in flat-plate batteries.
  • Gelled electrolyte: Sulfuric acid in silica gel. No stratification, recombinant gas management, sealed and maintenance-free.
  • Operating orientation: Install in any position except permanently inverted.
  • Gas recombination: >99% efficiency. No watering required.

  3. Application Scenarios

• Utility-scale energy storage (MWh installations)
• Telecom hub and switching centers
• Industrial UPS large installations
• Off-grid renewable storage
• Grid frequency regulation

4. Performance Specifications

• Cycle life: 1,200-1,500 cycles at 80% DoD — ideal for daily solar cycling.
• Float life: 15-20 years @ 25C ambient temperature.
• Operating temp: -40C to +60C — unmatched in extreme climates.
• Efficiency: 85-90% round-trip energy efficiency.
• Self-discharge: <2% per month @ 25C.

5. Maintenance Guide

CHISEN OPzV 2V 3000Ah requires minimal maintenance:

• Installation: Mount level, ensure terminals tight with anti-corrosion washers.
• Monthly: Check terminal tightness and corrosion. Clean with baking soda solution if needed.
• Voltage check: Monthly resting voltage: 2.15-2.18V/cell (12.9-13.1V per 6-cell 12V unit) = full charge.
• Charging: Bulk: 14.1-14.4V/12V unit. Float: 13.5-13.8V. Temp comp: -4mV/C/cell.
• Storage: Fully charge before storage. Recharge every 6 months to prevent sulfation.

6. Market Prospects

Global demand for stationary OPzV batteries is driven by renewable energy expansion, 5G telecom infrastructure, and energy security concerns. CHISEN Battery supplies OPzV 2V batteries in all capacities from 100Ah to 3000Ah with CE, ISO9001, ISO14001, and TUV Rheinland certifications.