Soft pack polymer cells, high energy density, housing is customized snap plastic case; 

Built-in PCM protection board, with overcharge, overdischarge, overcurrent and short circuit protection; 

Gold-plated spring contact output, plug-in installation, easy to assemble and disassemble; 

Housing with positioning snaps, foolproof design, suitable for the battery compartment of corresponding equipment; 

Built-in NTC temperature detection to ensure equipment safety;