Blackout Sizer Calculator
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Home Battery Systems

28 models. Specs from each manufacturer's page (linked).

Portable Power StationsInverter & Portable GeneratorsStandby GeneratorsPortable Solar Panels
ModelCapacityOutputPeakFridgeCPAPBoilerRouterWeight
EcoFlow DELTA Pro Ultra X 12288 Wh12000 W45000 W10 d12 d7 d34 d 34.5 kgCheck on Amazon
Jackery HomePower 3600 Plus 3584 Wh3600 W—68 h3 d47 h10 d —Check on Amazon
EcoFlow DELTA Pro Ultra 6144 Wh7200 W10800 W5 d6 d3 d17 d 31.7 kgCheck on Amazon
Jackery HomePower 3600 Pro Max 3584 Wh4000 W—68 h3 d47 h10 d —Check on Amazon
Bluetti EP800 9920 Wh7600 W—8 d9 d5 d27 d —Check on Amazon
Zendure SuperBase V 6438 Wh3800 W5000 W5 d6 d4 d18 d —Check on Amazon
Jackery HomePower 3000 3072 Wh3600 W7200 W58 h70 h41 h8 d —View at Jackery
Enphase IQ Battery 10C 10000 Wh7080 W—8 d9 d6 d28 d 143.79 kgView at Enphase
FranklinWH aPower 2 15000 Wh10000 W15000 W12 d14 d8 d41 d 162 kgView at FranklinWH
Anker SOLIX E10 30000 Wh7600 W—24 d28 d17 d83 d —View at Anker SOLIX
Enphase IQ Battery 5P 5000 Wh3840 W7680 W4 d5 d66 h14 d 78.9 kgView at Enphase
FranklinWH aPower S 15000 Wh11500 W15000 W12 d14 d8 d41 d 176 kgView at FranklinWH
Generac PWRcell 2 9000 Wh5200 W—7 d8 d5 d25 d 126.1 kgView at Generac
Schneider Electric Schneider Home Boost 10000 Wh7700 W13400 W8 d9 d6 d28 d —View at Schneider Electric
Bluetti AC500 2764.8 Wh3000 W—52 h63 h36 h8 d —View at Bluetti
LG 16H Prime 16000 Wh7000 W11000 W13 d15 d9 d44 d 159 kgView at LG
Fortress Power eVault Max 18.5 18430 Wh9200 W12800 W14 d17 d10 d51 d 235.87 kgView at Fortress Power
Savant Power Storage 20 20000 Wh12500 W30000 W16 d19 d11 d55 d 272.2 kgView at Savant
EG4 WallMount Indoor 314Ah 16000 Wh10200 W12800 W13 d15 d9 d44 d 133 kgView at EG4
Lion Energy 2i-4b 57200 Wh24000 W—45 d54 d31 d157 d 1017.4 kgView at Lion Energy
Bluetti EP760 19840 Wh7600 W—16 d19 d11 d55 d —View at Bluetti
Savant Power Storage 50 50000 Wh12500 W30000 W39 d47 d28 d138 d 596 kgView at Savant
Fortress Power eFlex MAX 5.4 5374 Wh3000 W6600 W4 d5 d71 h15 d 51 kgView at Fortress Power
Bluetti EnergyPro 6K 7680 Wh5760 W10400 W6 d7 d4 d21 d 100 kgView at Bluetti
Bluetti EnergyPro 13K 19200 Wh13200 W—15 d18 d11 d53 d —View at Bluetti
Enphase IQ Battery 10T 10080 Wh3840 W5760 W8 d10 d6 d28 d 143.6 kgView at Enphase
EcoFlow TITAN 5000 5017.6 Wh7200 W—4 d5 d66 h14 d 54 kgView at EcoFlow
Hysolis 48V 216Ah Wall-Mount Battery 11060 Wh11800 W—9 d10 d6 d30 d 131 kgView at Hysolis

Fridge, CPAP, boiler and router columns show the run time of that appliance alone, assuming 88 % inverter efficiency, 90 % usable capacity and the appliance's typical duty cycle. Method: how we calculate.

FAQ

How do I size a home battery?

Add up the watt-hours of what must run for the outage, divide by 0.79 for inverter and depth-of-discharge losses and add a 20 % reserve. Then check that the output covers everything running at once plus the largest start-up surge. The calculator does this per appliance; the formulas are on the How we calculate page.