PERMA Tech Co., Ltd. is a professional battery pack provider,specializing in design and manufacture of various battery packs in chemistries of Li-ion, Li-Po, LiFePO4, NiMH, Alkaline and primary Lithium. PERMA Tech Co., Ltd. provide a complete source of high quality custom battery systems, from design to prototyping to manufacturing. We are highly focused on delivering high-performance battery packs custom designed to meet stringent quality requirements and tight production schedules.