SiriusWatts

Anker 521 PowerHouse vs Goal Zero Yeti 300

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

Anker
521 PowerHouse
Goal Zero
Yeti 300
Price $186
Battery capacity 256 Wh 297 Wh
Usable capacity 230 Wh 267 Wh
Real usable at outlet (AC) 196 Wh 227 Wh
AC output (continuous) 200 W 300 W
Surge output 400 W 600 W
Battery chemistry LiFePO4 LiFePO4
Rated cycle life 3000 cycles 3000 cycles
Max solar input 100 W 150 W
Expandable No No
Weight 8.2 lb 10.4 lb
Warranty 5 yrs 3 yrs
Cost per usable Wh $0.813/Wh
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Bottom line

For pure value, the Anker 521 PowerHouse wins on cost per usable Wh. Need the most capacity? The Goal Zero Yeti 300 holds 297 Wh. Prioritizing portability? The Anker 521 PowerHouse is lighter at 8.2 lb. Match the choice to how you scored on the sizing calculator.

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