Best overall
1024Wh
USABLE CAPACITY
Helios
Helios H1000
4.7 · 2.1K reviews
A do-everything 1kWh station with fast solar input and a chunky 1,500W output — enough for a fridge, power tools, or a weekend off-grid.
£799
typical online price
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The specs that matter
Capacity
1024 Wh
Output
1500 W
Surge peak
3000 W
Weight
24 lb
Solar recharge
1.5 h
Cycle life
3,500
Chemistry
LiFePO4
Rating
4.7 / 5
What’s great
- Charges 0–80% from solar in about 1.5 hours
- Runs most home appliances at 1,500W
- LiFePO4 cells rated for 3,500+ cycles
Worth knowing
- On the heavy side at 24 lb
- Solar panel sold separately
Sunny’s verdict
If you want one box that covers camping, power cuts, and the odd power tool, this is the one I point most people to first.