SiriusWatts

EcoFlow River 2 Pro vs Bluetti AC70

A spec-by-spec breakdown to settle it. Prices and value metric (cost per usable Wh) included.

EcoFlow
River 2 Pro
Bluetti
AC70
Price $359
Battery capacity 768 Wh 768 Wh
Usable capacity 691 Wh 691 Wh
Real usable at outlet (AC) 587 Wh 587 Wh
AC output (continuous) 800 W 1000 W
Surge output 1600 W 2000 W
Battery chemistry LiFePO4 LiFePO4
Rated cycle life 3000 cycles 3000 cycles
Max solar input 220 W 500 W
Expandable No No
Weight 17.4 lb 22.5 lb
Warranty 5 yrs 5 yrs
Cost per usable Wh $0.521/Wh
Check price → Check price →

Bottom line

For pure value, the Bluetti AC70 wins on cost per usable Wh. Need the most capacity? The EcoFlow River 2 Pro holds 768 Wh. Prioritizing portability? The EcoFlow River 2 Pro is lighter at 17.4 lb. Match the choice to how you scored on the sizing calculator.

Some links are affiliate links. See our disclosure.