Cut it open and make a bunch of 3s packs: 2250 or 4500 mAh. Last for many years . Paid only extra shipping for that scary monster lipo. I can make 3s 2250mAh lipos and whole 6 of them. Not bad for 24$, that makes 4$ one pack. Plus free 2s 2250mAh lipo for spare cells if needed.