Best Value Home Backup — Cost per kWh-Cycle

Lifetime $/kWh-cycle across expandable home backup batteries. Rankings update with the catalog — then size your load for a personal shortlist.

1. #1FridgePower + 2× BlueCell 200$2,347

   6kWh · 1.8kW · 41.9 lb

   2.4 days
2. #2FridgePower + BlueCell 200$1,598

   4kWh · 1.8kW · 41.9 lb

   1.6 days
3. #3FridgePower$849

   2kWh · 1.8kW · 41.9 lb

   18.9 hours
4. #4SOLIX F3000 + BP3000 + 400W Solar$2,699

   6.1kWh · 3.6kW · 91.5 lb

   2.4 days
5. #5Powerwall 3$15,000

   13.5kWh · 11.5kW · 287 lb

   5.3 days
6. #6SOLIX F3000$1,399

   3.1kWh · 3.6kW · 91.5 lb

   1.2 days
7. #7DELTA Pro Ultra + Extra Battery$5,999

   12.3kWh · 7.2kW · 293.6 lb

   4.8 days
8. #8Explorer 5000 Plus$2,879

   5kWh · 7.2kW · 134.5 lb

   2 days
9. #9DELTA Pro 3 + Extra Battery$4,699

   8.2kWh · 4kW · 113 lb

   3.2 days
10. #10SOLIX F3800$1,699

    3.8kWh · 6kW · 132.3 lb

    1.5 days
11. #11AC300 + B300K AC300 + 2× B300K$2,999

    5.5kWh · 3kW · 113 lb

    2.2 days
12. #12AC500 + B300S AC500 + 2× B300S$3,598

    6.1kWh · 5kW · 150 lb

    2.4 days
13. #13AC300 + B300K$1,699

    2.8kWh · 3kW · 113 lb

    1.1 days
14. #14SOLIX F3800 + BP3800 + 400W Solar$4,099

    7.7kWh · 6kW · 132.3 lb

    3 days
15. #15SOLIX F3800 + Home Backup Kit$4,249

    7.7kWh · 6kW · 132.3 lb

    3 days
16. #16Explorer 5000 Plus + Smart Transfer Switch$3,799

    5kWh · 7.2kW · 134.5 lb

    2 days
17. #17DELTA Pro Ultra$4,099

    6.1kWh · 7.2kW · 186.4 lb

    2.4 days
18. #18DELTA Pro 3$3,199

    4.1kWh · 4kW · 113 lb

    1.6 days
19. #19AC500 + B300S$2,299

    3.1kWh · 5kW · 150 lb

    1.2 days
20. #20Mesh Home Battery$1,499

    1.6kWh · 2.4kW · 49 lb

    15 hours
21. #21DELTA Pro Ultra + Smart Home Panel 2$5,299

    6.1kWh · 7.2kW · 186.4 lb

    2.4 days
22. #22Yeti Pro 4000$4,000

    4kWh · 3.6kW · 116 lb

    1.6 days
23. #23AC500 + B300S + Home Integration Kit$3,158

    3.1kWh · 5kW · 150 lb

    1.2 days
24. #24SuperBase V6400$6,999

    6.4kWh · 3.8kW · 130 lb

    2.5 days

Transfer switches and panel interlocks must be installed by a licensed electrician.