Fight the 1-time use battery villain with the heroic small, lightweight, and rechargeable Guide 10+ battery pack from Goal Zero. The Guide 10+ packs enough power to recharge your cellphone 1-3 times and add up to 30% on your tablet.
Bullets:
Recharge your cell phone 1-3 times per charge
Perk up a tablet, 30% charge
Charge AA/AAA batteries from sun with Nomad 3.5 or 7 solar panel
Recharge from any USB
Built-in LED flashlight that runs up to 150 hours per charge