Valve Regulated Lead Acid
battery

Discover the Felicity Solar FL-OPzV-1000AH-2V battery with 2V voltage and 1000Ah capacity, ideal for reliable energy storage.
The Felicity Solar FL-OPzV-1000AH-2V battery is engineered for optimal performance and durability. With a 2V voltage and a robust 1000Ah capacity at a 10-hour rate, this battery is perfect for demanding energy storage needs.
| Voltage Per Unit | 2V |
|---|---|
| Battery Type | Lead-acid gel (OPzV tubular plate, VRLA) |
| Capacity | 1000Ah @10hr-rate to 1.80V per cell @25°C |
| Weight | Approx. 77.0 Kg |
| Max. Discharge Current | 3800A (5 sec) |
| Internal Resistance | Approx. 0.45 mΩ |
| Operating Temperature Range | Discharge: -40°C~70°C |
| Optimal Operating Temperature Range | 25°C±5°C |
| Float Charging Voltage | 2.25 to 2.3 VDC/unit Average at 25°C |
| Maximum Charging Current | 200 A |
| Cycle Service | 2.37 to 2.40 VDC/unit Average at 25°C |
| Self Discharge | Self-discharge ratio less than 2% per month at 25°C |
| Terminal | Thread insert & Bolt (F10-M8) |
| Container Material | A.B.S. (UL94-HB), and UL94-V0 is optional |
| Dimensions | 233(L)×210(W)×681(H) mm |
| Constant Current Discharge Characteristics (A, 25°C) | F.V/Time: 1.90V - 30min: 492.0, 1h: 390.0, 2h: 275.0, 3h: 208.6, 4h: 171.0, 5h: 147.8, 6h: 133.0, 8h: 103.8, 10h: 89.00, 20h: 46.73 |
| Constant Power Discharge Characteristics (W, 25°C) | F.V/Time: 1.90V - 30min: 941.7, 1h: 748.7, 2h: 531.6, 3h: 404.0, 4h: 334.7, 5h: 291.0, 6h: 263.0, 8h: 207.6, 10h: 181.4, 20h: 95.23 |




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 →The FL-OPzV-1000AH-2V battery operates at a voltage of 2V per unit and has a capacity of 1000Ah at a 10-hour rate to 1.80V per cell at 25°C. It can handle a maximum discharge current of 3800A for 5 seconds.
Yes, the FL-OPzV-1000AH-2V battery is designed to be compatible with various solar energy systems, provided they support a 2V battery configuration.
The battery measures 233mm in length, 210mm in width, and 681mm in height, with an approximate weight of 77.0 kg. It is made from A.B.S. material, with an optional UL94-V0 rating for enhanced safety.
The battery should be installed in a location that maintains an optimal operating temperature of 25°C±5°C. Ensure proper ventilation and secure mounting to accommodate its weight and dimensions.