Head to head
EcoFlow DELTA 2 Max vs Bluetti AC70
On long-run value, the AC70 wins at $0.15 per lifetime kWh versus $0.15. For raw power, the DELTA 2 Max leads with 2,400 W continuous and 4,800 W surge. The DELTA 2 Max carries more energy (2,048 vs 768 Wh), and DELTA 2 Max recharges faster from solar (1,000 W input cap). Run your own appliances through the Load Builder to see which one fits your load.
| DELTA 2 Max | AC70 | |
|---|---|---|
| Price | $949 | $349 ★ best |
| Lifetime $/kWh | $0.15 | $0.15 ★ best |
| Capacity | 2,048 Wh ★ best | 768 Wh |
| AC output | 2,400 W ★ best | 1,000 W |
| Surge | 4,800 W ★ best | 2,000 W |
| Max solar input | 1,000 W ★ best | 500 W |
| UPS switchover | 30 ms | 20 ms ★ best |
| Rated cycles | 3,000 | 3,000 |
| CPAP nights | ~5.4 ★ best | ~2.0 |