The Fogstar Drift Gen2 48V 125Ah LiFePO4 Leisure Battery is a 51.2V 125Ah lithium iron phosphate (LiFePO4) leisure battery, giving 6,400Wh of usable energy. It is built to run inverters and larger off-grid loads in 48V off-grid, home energy storage and larger leisure power systems.
A 150A BMS manages charging and discharging, and you can check state of charge, voltage and temperature over Bluetooth in the Fogstar Drift app (iOS & Android).
Integrated heating system lets the battery charge safely in cold conditions.
Plug-and-play with Victron, Sofar, Pylontech, Growatt, Solis and Goodwe inverters; CAN/RS485 communication.
Supplied with a Fogstar 10-year warranty.
Key features
- 125Ah capacity (51.2V nominal) — 6,400Wh
- Continuous discharge: 150A
- 150A BMS
- Bluetooth monitoring via the Fogstar Drift app (iOS & Android)
- Integrated heating system
- Prismatic cells
- Cycle life: 4,000+ cycles at 80% DoD
- Weight: 50kg
- 10-year warranty
Technical specification
| Capacity | 125Ah |
|---|---|
| Nominal voltage | 51.2V |
| Usable energy | 6,400Wh |
| Chemistry | LiFePO4 |
| Cells | Prismatic |
| BMS | 150A BMS |
| Continuous discharge | 150A |
| Recommended charge voltage | 56.8V - 57.6V |
| Cycle life | 4,000+ cycles at 80% DoD |
| Dimensions (L x W x H) | 640 x 245 x 220 mm |
| Weight | 50kg |
| Terminals | M8, bolts included |
| Low-temperature charging | Sub-zero charging supported (heating) |
| Bluetooth / app | Fogstar Drift app (iOS & Android) |
| Parallel configuration | Up to 16 units |
| Warranty | 10-year warranty |
In the box
- Battery unit
- M8 terminal bolts
- Optional mounting bracket (select the 'With bracket' variant)
Installation and buyer checks
- Confirm your system is 48V before ordering.
- Set your charger, DC-DC charger and solar controller to a lithium (LiFePO4) profile (Fogstar states a charge voltage of 56.8V - 57.6V).
- Terminals: M8, bolts included — check your cable lugs and connectors match.
- Physical size is 640 x 245 x 220 mm and it weighs 50kg — check the battery box or tray space and secure mounting.
- Expansion limits: Up to 16 units.
- This is a leisure/auxiliary (house) battery for domestic loads.
- Availability can vary at the manufacturer — confirm lead time before ordering.
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