What is WattSized?
WattSized is a free, no-signup calculator for portable power stations. Check off the appliances you want to run — fridge, CPAP, sump pump, laptop — and it computes the watt-hours and surge watts you need, then recommends real models (Jackery, EcoFlow, Anker, Bluetti) that fit. Presets for storm prep, camping, van life, and medical backup.
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