Modern power banks have long provided enough power to reliably charge not only smartphones but also laptops. But not every model is suitable for laptop charging. To make sure you don’t spend money on ...

A few days ago, the “Manual Geng” shared his latest invention – a 270,000,000 mAh super-large power bank. Well, you didn’t read that wrong, its actually a 27 million mAh giant power bank.

The Anker Nano Power Bank pockets enough spare energy to handle those surprises without weighing you down or tangling cords ...

Iniu Megapower portable charger 10,000mAh: $19.99 / £21.99 / €19.99 Iniu Megapower portable charger 20,000mAh: $24.99 / £28.99 / €29.99 Iniu offers an impressive number of power banks up to ...

I left solar power banks from BioLite, Blavor, 4Patriots, and Hiluckey on my patio for four days to see how well they charged. None of them (except one) got past the first blue blinking dot. Even when ...

Most power banks output at a standard voltage of 5V. This is what smartphones, tablets, and earbuds need. It's the power that we were used to getting from an old USB-A wall wart charger.

Best power banks and power stations we recommend in 2025 Why you can trust Space.com Our expert reviewers spend hours testing and comparing products and services so you can choose the best for you.

The other day a reader came to me with a mystery. A power bank that was mysteriously draining. Was the power bank broken? Was it ghosts? Or, was it something else?