40mAh Rechargeable Lithium polymer battery 

Detailed Images Product Description Features: 1, Small in size, high energy density Li-ion batteries. 2, Long cycle life: over 500 cycles of charging & discharging, 3, Secure and reliable: adopt high quality IC & MOS protectors, 4. Support OEM/ODM service for special size LiPo-batteries. 5, Strict inspection to ensure the quality of every single piece of our batteries. 6, Short lead time, large daily output volume. 7, Full set of certification: CE/ROHS/MSDS/KC/UL/REACH. Specifications: Name 301317  customized 3.7V 40…