Calculators

Each page estimates how long a power station runs that device, from published figures.

• Fridge

  How long a power station runs a fridge, from published energy figures.

• CPAP

  How long a power station runs a CPAP, from published power figures.

• Sump pump

  How long a power station runs a sump pump, from the published amp rating.

• Insulin cooler

  How long a power station runs a travel insulin cooler at 5 watts.

• Router

  How long a power station runs a home Wi-Fi router, from the adapter rating.

• Fan

  How long a power station runs a box fan at the published watt figure.

• Window AC

  How long a power station runs a window air conditioner, from capacity and CEER.