4 pack 3.2v Lifepo4 lithium / polymer battery 38120 cell 10Ah STD discharge 30A max 50A for 12v 10ah ebike UPS power HID lights
High Power Rechargeable LiFePO4 Battery Cell 38120 10A 3.2V 5c LiFePO4 Battery for Electric Vehicle Battery - China LiFePO4 Batteries for Electric Motor Car, LiFePO4 Batteries for Scooter | Made-in-China.com