IPX7 Waterproof Carabiner Powerbank. The EcoXCharge Clip is a carabiner powerbank that charges all USB devices, for the ultimate in multi-purpose convenience while on the go. With a rugged design perfect for those who enjoy camping, boating and an active lifestyle, the EcoXCharge Clip includes a built-in battery of 3,350mAh for a long rechargeable life. The integrated large carabiner is easy to attach to a daypack for convenient access when hiking, camping or cycling, or keep handy at sporting events and festivals.