I need an automatic power transfer (changeover) switch for a rainwater pump on a 20A circuit. My electrician doesn't seem to be able to come up with anything under $3-4 grand installed, more than ...

Anker SOLIX E10, announced at CES: hybrid system solar + battery + generator, modular up to 90 kWh, switch <20 ms, circuit control and high power.

Nature’s Generator launched its new Lithium 6000 product, a backup battery and solar power bank. The compact battery, which measures 47 cm x 35 cm x 44 cm and weighs 50.8 kg, contains 6 kW of ...

With over a decade of experience at Which?, Tom covers everything from tech advice to money-saving tips, and highlights the best deals during major sales events. A capable home generator could be a ...