... Safe 2.Remake: be customized for various type li-ion battery pack --universal battery:High Performance.Extremely Safe/Stable ... -contaminating, No rare metal, UL, CE approved. Li-ion technology does not contain any heavy metals and ... -metal Hydride solutions.Another key benefit of our Li-ion technology is its flexibility, both in terms ... 1/3 weight of Lead Acid li-ion battery pack --universal battery