Electrical

Compare LiFePO4 and lead acid battery banks by runtime, battery count, weight, upfront cost, and ownership cost.

Estimate home battery size in kWh or device runtime in days from energy use, discharge percent, efficiency, mAh, and load.

Estimate generator fuel to store, container counts to buy, reserve fuel, and your fuel gap or extra on hand.

Size well pump backup power from voltage, running amps, starting amps, pump runtime, outage days, headroom, and losses.

Estimate furnace blower battery runtime with cycling, inverter efficiency, usable battery share, and nonstop blower comparison.

Estimate router and modem UPS runtime from Wh, watts, efficiency, battery health, temperature loss, and target backup time.

Estimate sump pump backup runtime from pump watts or amps, battery Ah, duty time, losses, and optional inverter surge margin.

Estimate fridge battery backup runtime and check inverter surge and continuous watt ratings for a power outage plan.

Estimate battery backup time, daily kWh, and generator running and starting watt targets from one critical-load list.

Compare battery size, generator watts, fuel cost, fuel needed, and solar refill time for the same outage appliance plan.