Lithium-ion Battery 48v 13ah 18650 Cells 13s5p For City Folding Electric Bikes Product Description Foldable Lithium Battery: This folding e-bike battery is designed specifically for 48V 1000W e-bikes, ensuring efficient and reliable performance.Long Cycle Life: With a cycle life of over 800 times, it's durable and extends battery life, minimizing the need for frequent battery replacements.Compliant with International Standards: This folding e-bike battery is CE, ISO9001, MSDS