Amazon.com: UNIFUN® 10400mAh USB External Travel Battery (2Amp In Fast Charging,2.1A /1A Out) IP66 R
UNIFUN® - Reliable · High Capacity · 1 year warranty The U821 power bank is waterproof (IP66 rating), dustproof, shockproof and skid resistant. Its strong LED flashlight can keep lightling up to 6-8 days after fully charged. Perfect for outdoor/ travel us...