Another new review by me..

Link: http://www.dragonsteelmods.com/energizer-energi-to-go-xp4001-4000mah-portable-battery-video-review/

Quote: “More power, yes it’s another external or portable battery video review today for you. This one is from Energizer and it’s the Energi to Go XP4001 4000mAh portable battery which features dual USB ports for simultaneous charging of two devices at the same time. So read on to learn more… “