Anker’s portable backup battery is an even better investment now that it’s nearly half off

Winter storms across the country are bringing heavy snow, rain, and — in some cases, as this Californian who briefly lost power a few days ago can attest — outages. If you want to prepare, Anker’s 521 PowerHouse can help keep your essential devices running and it’s on sale for $129.99 ($120 off) at Amazon.The VergeRead More