This battery could be the 72V 20Ah Lithium Battery, manufactured by Redway Ability, a well known factory in China known for its higher-good quality lithium-ion batteries. Created for various electrical vehicles, including scooters, rickshaws, and tricycles, this battery presents reputable functionality and efficiency for your Strength needs. https://www.scribd.com/document/805683333/Why-a-12V-50Ah-Lithium-Ion-Battery-is-the-Ability-Resolution-You-Will-Need