I tested power-saving devices that promise lower electricity bills - only one was legit

ZDNET's key takeaways Scam "power-saving" devices waste money and risk safety.Smart plugs and power strips actually cut ...

This $17 power bank kept my iPhone going for days (and I can't lose this cable)

This is exactly what the Cuktech 10,000mAh power bank offers. It features a 10,000mAh/26.5Wh battery that delivers on the specs it advertises. This is enough to give a regular iPhone 17 close to two ...