When you’re in need of a charge but can’t find an outlet, battery packs, power banks, or portable chargers come in handy. These accessories are small enough to fit in a day pack and sturdy enough to live at the bottom of your carry-on. Depending on the size of the battery, they can charge your smartphone, tablet, laptop, or even all three at once. The size you’ll need and any extra features you may find useful will largely depend on the devices you plan on charging up. With so many charging options on the market, we tested out several models to determine the best portable power banks available.
What to Look for in a Portable Battery Pack
Battery Type
Nearly every rechargeable power bank you can buy (and most portable devices) contain a lithium-ion battery. These beat other current battery types in terms of size-to-charge capacity and have even increased in energy density by eight-fold in the past 14 years. They also…
2023-06-14 14:18:35
Link from www.engadget.com rnrn
