Best forPortable / RV use
Anker SOLIX C1000 Gen 2
- latest confirmed price£599
- usable storage1.02 kWh
- classportable power station
- backup poweryes
- per usable kWh£587
More specs
2 kWoutput
–charge cycles
–warranty
noplug-in type
Products
Compare batteries side by side.
Filter the list, tick 2 to 4 products, and see the differences in one table. We are still checking these products, so treat this page as a working list — not a recommendation.
What do the "Best for" labels mean?
Labels come from fixed cut-offs in the data: plug-in type, 4kWh+ size, £400 or less per usable kWh, 2.4kW+ output, 10,000+ cycles, or backup power. Nobody pays for a label. Prices are the latest we could confirm and they move — always check before buying.
Full details →
Best forHigh output (2.4kW+)Portable / RV use
Anker SOLIX C2000 Gen 2
- latest confirmed price£898
- usable storage2.05 kWh
- classportable power station
- backup poweryes
- per usable kWh£438
More specs
2.4 kWoutput
–charge cycles
–warranty
noplug-in type
Best forPortable / RV use
Anker SOLIX C300 DC
- latest confirmed price£189
- usable storage0.288 kWh
- classportable power station
- backup poweryes
- per usable kWh£656
More specs
0.3 kWoutput
–charge cycles
–warranty
noplug-in type
Best forPortable / RV use
Anker SOLIX F3000
- latest confirmed price£1,899
- usable storage3.07 kWh
- classportable home backup power station
- backup poweryes
- per usable kWh£619
More specs
0 kWoutput
–charge cycles
–warranty
noplug-in type
Best forPlug-in classHigh capacity (4kWh+)Value storage (≤£400/kWh)
Anker SOLIX Solarbank 4 E5000 Pro
- latest confirmed price£1,699
- usable storage5.02 kWh
- classplug-in solar battery
- backup poweryes
- per usable kWh£338
More specs
2.5 kWoutput
–charge cycles
10 yrwarranty
yesplug-in type
Best forPlug-in classHigh capacity (4kWh+)Value storage (≤£400/kWh)
EcoFlow STREAM 5000
- latest confirmed price£1,599
- usable storage5.02 kWh
- classplug-in solar battery
- backup poweryes
- per usable kWh£319
More specs
3 kWoutput
–charge cycles
10 yrwarranty
yesplug-in type
Best forPlug-in classHome backup
Fox ESS MiniQube
- no confirmed price yetPrice to be confirmed
- usable storage2.11 kWh
- classplug-in solar battery
- backup poweryes
- per usable kWh–
More specs
0 kWoutput
–charge cycles
–warranty
yesplug-in type
Best forPlug-in class
Octopus Energy Nook Cube
- no confirmed price yetPrice to be confirmed
- usable storage2 kWh
- classplug-in battery
- backup powerno
- per usable kWh–
More specs
0 kWoutput
–charge cycles
12 yrwarranty
yesplug-in type
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UK rules check — all products
One line per product: has its UK connection paperwork been checked, or is that still open? Dates show when we last looked.
| Product | Rules | Checked |
|---|---|---|
| Anker SOLIX C1000 Gen 2 | rules checked | 2026-09-03 |
| Anker SOLIX C2000 Gen 2 | rules checked | 2026-09-03 |
| Anker SOLIX C300 DC | rules checked | 2026-09-03 |
| Anker SOLIX F3000 | rules checked | 2026-09-03 |
| Anker SOLIX Solarbank 4 E5000 Pro | rules checked | 2026-09-03 |
| EcoFlow STREAM 5000 | rules checked | 2026-09-03 |
| Fox ESS MiniQube | rules checked | 2026-09-03 |
| Octopus Energy Nook Cube | still checking | 2026-09-03 |
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