
FL-OPzV-1000AH-2V
- Voltage Per Unit:2V
- Capacity:1000Ah @10hr-rate to 1.80V per cell @25°C

The Felicity FLM500-125/261 is an energy storage system with a 400V nominal bus, ≥8000 rated, 2670KG IP55 shipped.
The Felicity FLM500-125/261 is an energy storage system with a 400V nominal bus, ≥8000 rated, 2670KG IP55 shipped. Every figure on this page is taken from the manufacturer's datasheet for the FLM500-125/261.
| Cell type | LFP 3.2V/314 Ah |
|---|---|
| System battery configuration | 260S1P |
| Nominal capacity | 261.2kWh |
| Nominal voltage | 400V |
| Voltage range | 360-440V |
| Charge/discharge rate | 0.5P |
| Depth of charge and discharge | 95% |
| Nominal power | 125kW |
| Access way | 3P4L |
| Nominal frequency | 50Hz/60Hz THD <3% |
| DC component | <0.5% |
| Power factor range | -1~1 |
| Unbalance load capacity | 100% |
| Maximum System efficiency | ≥90% |
| Cycle Life | ≥8000 |
| Anti-corrosion Degree | C4 |
| Fire Suppression System | Aerosol fire extinguishing equipment, Smoke detector, Heat detector, Water fire |
| Communication Interface | Ethernet/RS485 |
| Max.Parallel Quantity | "On grid:20 pcs; Off grid: 6 pcs" |
| Dimensions (W*H*D) | 1050*2400*1350(mm) |
|---|---|
| Weight | 2670KG IP55 |
| Noise | <75db |
|---|---|
| Operation Humidity Range | 0-95% |
| Operation Temperature Range | -25~55°C(Derating from 45°C) |
| Operating Altitude | 2000m (Derating from 2000m) |
| Temperature Control Method | Liquid cooling |




Felicity battery not charging? Below 0°C the BMS blocks the charge, a charge voltage under 57.6 V never fills the pack, and codes C01–C08 explain the rest.
Read: Felicity Battery Not Charging? Codes, Causes & Fixes →A long outage drained the battery, the grid came back shaky, and now there is a code on the screen. What 04, C02, 27 and the grid-return alarms really mean.
Read: Felicity Inverter Error After a Power Cut? What It Means →Inverter cutting out on hot afternoons? Error 18, T-REX 35/F35, E-CHO E12/E13, MPPT 87 and battery C09 — the official Felicity heat codes and their fixes.
Read: Felicity Inverter Overheating? Error 18 & Heat Codes →