A refrigerator’s running wattage does not show how much energy it uses over a full day. Learn how to measure compressor cycling, daily watt-hours and starting demand before choosing backup power.
A fridge-freezer’s running watts cannot predict portable power station runtime on their own. Learn how compressor cycling, starting surge, inverter losses, battery reserves and measured energy use affect the calculation.
Work out the portable power station size you need by separating watt-hours from output watts, allowing for surge demand, conversion losses, reserve capacity and real appliance duty cycles.
Watts determine whether backup equipment can run your appliances, while watt-hours determine how long it can do so. Learn how to total running loads, allow for motor surge, account for inverter losses and calculate a realistic backup-power requirement.
Thinking about V2G in the UK? Use this practical checklist to assess EV compatibility, bidirectional chargers, installers, smart meters, export arrangements, battery warranties, tariffs and backup-power limits.
Learn how to prioritise essential appliances and compare portable power stations, home batteries, generators, solar and EV-based backup for UK power cuts.