Whole-home backup batteries by EcoFlow
26 results24 in stock
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![EcoFlow DELTA Pro 3 4096Wh Smart Extra Batteries – [Multi-Pack] EcoFlow DELTA Pro 3 + 2 x DELTA Pro 3 Extra Battery](/media/products/421/3122e9246d0095f9-128.avif)
12,288 Wh
3.4 kWh per $1,000, the best value in the category gives 3.4 kWh
2 storesSave $2,590.01
$291/kWhfrom $3,578.99See 2 stores
$291/kWh
from $3,578.99
![EcoFlow DELTA Pro 3 4096Wh Smart Extra Batteries – [Multi-Pack] EcoFlow DELTA Pro 3 + 3 x DELTA Pro 3 Extra Battery](/media/products/1975/a8e1bd7b3f2a570e-128.avif)
16,384 Wh
3.1 kWh per $1,000, the best value in the category gives 3.4 kWh
![EcoFlow DELTA Pro 3 4096Wh Smart Extra Batteries – [Multi-Pack] EcoFlow DELTA Pro 3 + 4 x DELTA Pro 3 Extra Battery](/media/products/1976/38aab7c68ff5d6f0-128.avif)
20,480 Wh
2.9 kWh per $1,000, the best value in the category gives 3.4 kWh
![EcoFlow DELTA Pro 3 4096Wh Smart Extra Batteries – [Multi-Pack] EcoFlow DELTA Pro 3 + 5 x DELTA Pro 3 Extra Battery](/media/products/1980/631a098cead283e5-128.avif)
24,576 Wh
2.7 kWh per $1,000, the best value in the category gives 3.4 kWh
![EcoFlow DELTA Pro 3 4096Wh Smart Extra Batteries – [Multi-Pack] EcoFlow DELTA Pro 3 + 6 x DELTA Pro 3 Extra Battery](/media/products/1982/f8000f1c66af0998-128.avif)
28,672 Wh
2.7 kWh per $1,000, the best value in the category gives 3.4 kWh
30,720 Wh
2.5 kWh per $1,000, the best value in the category gives 3.4 kWh
24,576 Wh
2.4 kWh per $1,000, the best value in the category gives 3.4 kWh
55,296 Wh
2.4 kWh per $1,000, the best value in the category gives 3.4 kWh
49,152 Wh
2.3 kWh per $1,000, the best value in the category gives 3.4 kWh
18,432 Wh
2.3 kWh per $1,000, the best value in the category gives 3.4 kWh
43,008 Wh
2.3 kWh per $1,000, the best value in the category gives 3.4 kWh
36,864 Wh
2.2 kWh per $1,000, the best value in the category gives 3.4 kWh
30,720 Wh
2.2 kWh per $1,000, the best value in the category gives 3.4 kWh
49,152 Wh
2.1 kWh per $1,000, the best value in the category gives 3.4 kWh
24,576 Wh
2.1 kWh per $1,000, the best value in the category gives 3.4 kWh
12,288 Wh
2.0 kWh per $1,000, the best value in the category gives 3.4 kWh
2 stores
$488/kWhfrom $5,999.00See 2 stores
$488/kWh
from $5,999.00
36,864 Wh
1.9 kWh per $1,000, the best value in the category gives 3.4 kWh
55,296 Wh
1.9 kWh per $1,000, the best value in the category gives 3.4 kWh
18,432 Wh
1.9 kWh per $1,000, the best value in the category gives 3.4 kWh
8,192 Wh
1.8 kWh per $1,000, the best value in the category gives 3.4 kWh
36,864 Wh
1.7 kWh per $1,000, the best value in the category gives 3.4 kWh
24,576 Wh
1.7 kWh per $1,000, the best value in the category gives 3.4 kWh
12,288 Wh
1.5 kWh per $1,000, the best value in the category gives 3.4 kWh
2 stores
$651/kWhfrom $7,999.00See 2 stores
$651/kWh
from $7,999.00
6,144 Wh
1.5 kWh per $1,000, the best value in the category gives 3.4 kWh
2 storesSave $444.00
$683/kWhfrom $4,199.00See 2 stores
$683/kWh
from $4,199.00
Results sorted by lowest price per usable kWh. How we rank results