Battery, Battery Pack, Battery Module manufacturer / supplier in China, offering 2.4V 40ah Lithium Titanate Battery for Car Audio Modification, 20-Year Cycle Life Class a Cylindrical Battery, Free Sample 2.4V 40ah Lithium-Ion Battery with a 20-Year Cycle Life, Class a Cylindrical Battery, Free Sample Battery 2.4V 40ah Lithium Titanate Battery Cell Class a Cylindrical Battery with a Cycle Life of 30000 Times and so on.