GivEnergy vs Tesla: Battery Comparison
Head-to-head comparison of GivEnergy and Tesla home batteries for UK homes in 2026. Prices are GBP installed with 0% VAT included (indicative June 2026). A dash means the figure is not listed here - confirm with your installer.
| Feature | GivEnergy | Tesla |
|---|---|---|
| Price range | £4,500-£5,500 | £9,500-£10,500 |
| Capacity options | 9.5kWh | 13.5kWh |
| Peak output | - | 11.5kW |
| Continuous output | - | 5kW |
| Chemistry | LFP (Lithium Iron Phosphate) | LFP (Lithium Iron Phosphate) |
| Warranty | 12yr | 10yr |
| Capacity retention | - | 70% |
| Backup capable | - | Yes |
| Modular | - | Yes |
| Country | United Kingdom | United States |
| Best for | UK households wanting the best-value battery with the longest warranty and local support | Homeowners wanting a premium, all-in-one solution with the best app experience |
GivEnergy
Pros
- UK brand with UK-based support (Newcastle-under-Lyme)
- Standout value: 9.5kWh for £4,500-5,500 installed
- 12-year warranty, the longest in this set
- Widely fitted by UK solar and battery installers
- LFP chemistry
Cons
- Less global brand recognition than Tesla
- Output and backup behaviour depend on the paired inverter and configuration
- Model line-up evolves quickly - confirm current specs with your installer
Tesla
Pros
- Most recognised battery brand globally
- Integrated solar inverter (no separate inverter needed)
- Excellent app and monitoring
- Storm Watch auto-charges before bad weather
- LFP chemistry (safer, longer cycle life)
Cons
- Most expensive unit in this set
- Requires a Tesla-certified installer
- Cannot retrofit to all existing solar inverters
- Single fixed capacity per unit (13.5 kWh steps)
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Get Free QuotesFrequently Asked Questions
Is GivEnergy or Tesla better for UK homes?
GivEnergy is best for: uk households wanting the best-value battery with the longest warranty and local support. Tesla is best for: homeowners wanting a premium, all-in-one solution with the best app experience. Both use LFP chemistry and are available through local installers in the UK.
Which is cheaper, GivEnergy or Tesla?
GivEnergy starts from £4,500 installed, while Tesla starts from £9,500 (indicative June 2026, 0% VAT included). GivEnergy has the lower entry price.
Which has the better warranty, GivEnergy or Tesla?
GivEnergy offers 12 years. Tesla offers 10 years with 70% retention. Warranty terms vary by model - confirm current terms with your installer.