Anker PowerCore 20100mAh Portable Charger | $31 | Amazon
Anker PowerCore 26800 Portable Charger | $38 | Amazon
Anker PowerCore Slim 10000mAh Portable Charger | $26 | Amazon
Anker Powerhouse 200, 200Wh/57600mAh Portable Rechargeable Generator | $195 | Amazon
At the very best, most phones don’t last more than a day. If you find yourself in a bind, a portable charger like these from Anker can help keep you online. On the cheap end, Anker has a 10,000 mAh battery for just $26. If you find yourself lost in a post-apocalypse, on the other hand, you might be more interested in this $195 mega rechargeable portable generator.