Tool
SOLIX F3800VSAC300 + B300K
Compare specs, verdicts, and use-case scores side by side.
Quick Take
Best for Home Backup, Remote Work / Starlink, and Van Life / RV: SOLIX F3800
Best for CPAP: AC300 + B300K
Home Backup→SOLIX F3800CPAP→AC300 + B300KRemote Work / Starlink→SOLIX F3800+1 more
| Spec | SOLIX F3800 | AC300 + B300K |
|---|---|---|
| Capacity | 3.8kWh✓ | 2.8kWh |
| AC Output | 6kW✓ | 3kW |
| Surge Power | 9kW✓ | 6kW |
| Weight | 132.3 lbs | 113 lbs✓ |
| Solar Input | 2.4kW | 2.4kW |
| AC Charge | 1.8kW | 3kW✓ |
Keep in mind
Verdicts are based on manufacturer-published specs. Real-world performance varies with temperature, battery age, and load type. Use this as a starting point, not a final verdict.