Q - How Long will a Pack of Batteries Last? Ilan Garibi Updated March 07, 2016 16:29 Follow A new set of three AA 1.5V batteries will last around 50 charges. Do not use rechargeable batteries! Related articles Q: My PowerUp 3.0 is not charging, what should I do? Q - How durable is the PowerUp? Is it waterproof? Comments 0 comments Please sign in to leave a comment.