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

The Felicity FLA48400TG1 is a battery with 20.48kWh of usable storage, a 51.2V nominal bus, ≥6000@ 25°C rated.
The Felicity FLA48400TG1 is a battery with 20.48kWh of usable storage, a 51.2V nominal bus, ≥6000@ 25°C rated. Every figure on this page is taken from the manufacturer's datasheet for the FLA48400TG1.
| Nominal Energy | 20.48kWh |
|---|---|
| Battery Type | LiFePO4 |
| Nominal Voltage | 51.2V |
| Operating Voltage | 44.8-57.6V |
| Max. Charge/Discharge Current | Charge 200A Discharge 250A |
| Max. Charge/Discharge Power | Charge 10.2kW Discharge 13kW |
| Depth of Discharge(DOD) | 95% |
| Scalability | Up to 15 units in parallel |
| Communication | CAN2.0, RS485,WIFI, Bluetooth |
| Protection | BMS, Fuse, Breaker, MX+OF |
| Peak Charge/Discharge Current | 300A @ 15s |
| Display | LCD+LED |
|---|---|
| Installation | Floor-Mounted |
| Net Weight | 150.5kg±3% |
| Gross Weight | 179kg±3% |
| Product Dimension | 960×450×265mm |
| Package Dimension | 1040×570×481mm |
| Operating Temperature | Charge 0~55°C Discharge -20~55 °C |
|---|




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 →