Fogstar Energy has become one of the most popular LiFePO4 battery brands in the UK campervan market. Their batteries offer a compelling mix of price, performance, and features from a UK-based company.
Verdict
Rating: 8.5/10 The Fogstar Energy LiFePO4 is the best value premium battery for UK campervan builds. It uses quality cells, includes Bluetooth BMS, and is priced competitively. For most builds, the 100Ah or 200Ah models are the sweet spot.
The Product Range
| Model | Capacity | Continuous Discharge | Price |
|---|---|---|---|
| Fogstar 100Ah | 100Ah (1,280Wh) | 100A (1,280W) | £380 |
| Fogstar 200Ah | 200Ah (2,560Wh) | 200A (2,560W) | £680 |
| Fogstar 300Ah | 300Ah (3,840Wh) | 300A (3,840W) | £980 |
| Fogstar Pro 230Ah | 230Ah (2,944Wh) | 230A (2,944W) | £850 |
Build Quality
The Fogstar batteries use Grade A LiFePO4 prismatic cells from brands like EVE or CATL. The BMS is a DALY or similar with low-temperature cut-off (charges below 0°C are blocked). Case: ABS plastic with integrated carry handles. Threaded terminals (M8). Weight: 100Ah = 12kg, 200Ah = 22kg.
Bluetooth App
All Fogstar batteries include Bluetooth BMS monitoring. The app shows: voltage, current, state of charge, temperature, cell balancing status. Works well on Android and iOS with a 10m range.
Performance
In real-world UK van testing:
- 100Ah delivers ~900Wh usable (assuming 90% depth of discharge)
- Charges at up to 50A (from alternator via DC-DC) or 100A (from mains charger)
- Internal resistance: <20mΩ (very good)
- Delivers full rated capacity at 25°C, about 95% at 0°C
Comparison
Compared to Renogy (100Ah, £400): Fogstar is £20 cheaper, has Bluetooth BMS vs Renogy's no Bluetooth on standard models. Same core cells. Compared to Victron Smart (100Ah, £580): Victron has better BMS integration with Cerbo GX, better build quality, higher cycle life rating. But costs £200 more.
Warranty
Fogstar offers 5 years warranty. In practice, they have good UK customer service (UK-based support team in Nottingham).
