Brand Partner
Sigenergy
Battery Storage
Fox ESS
EP-H Series Battery
Up to 31kWh stacking. AC or DC coupled.
Premium hybrid AC-coupled battery with industry-leading cycle life and flexible stacking from 10.36 to 31.08kWh.
- Up to 31kWh stacking
- 10-year product warranty
- AC/DC coupled options
- Grid-independent ready
10-year product warranty
From £5,499 installed
Also see: Our full Battery Storage service →
Full Specifications
Technical Specifications
| Coupling | AC or DC |
| Warranty | 10 years |
| Max Stack | 31.08kWh (3 units) |
| Cell Chemistry | LFP |
| Certifications | CE, IEC 62619, MCS |
| Operating Temp | -10°C to +50°C |
| Capacity per Unit | 10.36kWh |
| Max Charge/Discharge | 6kW |
| Round-Trip Efficiency | ≥95% |
Why we install Sigenergy
Sigenergy's modular architecture means we can right-size a system for today and expand it tomorrow without replacing hardware. The built-in EV charging integration is unique in the market, and the AI dispatch genuinely reduces grid imports — our monitored installs show 15–25% better self-consumption than comparable systems.
View all Sigenergy products.jpg)
Ready to explore your home's solar potential?
Get a fixed price quote in less than 60 seconds