Power calculator

Will one Happy Planet Power unit run your event? Add what you plan to plug in.

Typical wattages are estimates; check the label on your own equipment. The battery figure assumes about 80 percent of the 18 kWh battery is usable (14,400 watt-hours). Solar adds roughly 1.5 to 4 kWh a day in Maine, which this calculator leaves out. The unit delivers up to 12,000 W at once.

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