OPzV2-400 Specifications
| Specification | Value |
|---|---|
| Model | OPzV2-400 |
| Voltage | 2V |
| Capacity | 400Ah @ 10hr rate |
| Weight | 28.5kg |
| Dimensions | D212 x W191 x H410mm |
| Cycle Life (50% DoD) | 3,200 cycles |
| Float Life | 20 years at 25C |
| Operating Temp | -15C to 50C |
| 20ft Container Load | 336 pcs |
Understanding Your Load Profile
Before specifying the OPzV2-400, quantify daily energy throughput and desired autonomy duration. The OPzV2-400 delivers 400 Ah at the 10-hour rate (2.56 kWh per cell at 2V nominal). For a 48V system requiring 10kWh usable at 60% DoD: 10,000Wh / (48V x 0.60) = 347Ah — rounding to one parallel string of 24x OPzV2-400 cells in series (24S1P) provides 19.2kWh of backup capacity. CHISEN recommends a maximum 60% DoD for cyclic solar applications to preserve the 20-year float life.
Solar Sizing for OPzV2-400 Based Systems
In solar cycling applications, limit DoD to 60%. A single OPzV2-400 cell at 60% DoD provides 240Ah of usable capacity (1.54 kWh at 2V). For a household consuming 8kWh/day with 2 peak sun hours, a 4kW solar array paired with a 48V 400Ah bank (24x OPzV2-400) provides 3-4 days of autonomy.
For OPzV2-400 technical specifications, volume pricing, or project consultation: sales@chisen.cn | www.chisen.cn
About CHISEN Battery: CHISEN is a professional OPzV tubular gel battery manufacturer in China with 20+ years of experience. ISO 9001/CE/UL certified. Exporting to 50+ countries. www.chisen.cn | sales@chisen.cn
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