My top-rated laptop power bank works with almost any model - and has a useful display
ZDNET's key takeaways The Bluetti X20 has a massive capacity designed for high-draw devices, available now for $199. It's kitted out with a DC port, and it comes with a dozen adapters covering most laptops on the market. There's no carry handle, so the unit can be a bit cumbersome to carry. View now at Walmart Most of us think of power banks as small, smartphone-sized battery packs that can be slipped into a pocket or clamped onto the back of a smartphone. But there's a category of power bank