Tool
AC300 + B300KVSYeti Pro 4000
Compare specs, verdicts, and use-case scores side by side.
Quick Take
Best for Home Backup, CPAP, Remote Work / Starlink, and Van Life / RV: Yeti Pro 4000
Home Backup→Yeti Pro 4000CPAP→Yeti Pro 4000Remote Work / Starlink→Yeti Pro 4000+1 more
| Spec | AC300 + B300K | Yeti Pro 4000 |
|---|---|---|
| Capacity | 2.8kWh | 4kWh✓ |
| AC Output | 3kW | 3.6kW✓ |
| Surge Power | 6kW | 7.2kW✓ |
| Weight | 113 lbs✓ | 116 lbs |
| Solar Input | 2.4kW | 3kW✓ |
| AC Charge | 3kW✓ | 1.8kW |
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.