Tool
DELTA Pro 3VSDELTA Pro Ultra
Compare specs, verdicts, and use-case scores side by side.
Quick Take
Best for Camping, Home Backup, CPAP, Remote Work / Starlink, and Van Life / RV: DELTA Pro Ultra
Camping→DELTA Pro UltraHome Backup→DELTA Pro UltraCPAP→DELTA Pro Ultra+2 more
| Spec | DELTA Pro 3 | DELTA Pro Ultra |
|---|---|---|
| Capacity | 4.1kWh | 6.1kWh✓ |
| AC Output | 4kW | 7.2kW✓ |
| Surge Power | 8kW | 10.8kW✓ |
| Weight | 113 lbs✓ | 186.4 lbs |
| Solar Input | 2.6kW | 5.6kW✓ |
| 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.