3500mAh Lithium Polymer BatteriesIncluding 2pcs 7.4V 3500mAh rechargable lithium polymer batteries.
Heated Gloves Replacement BatterySuitable for heating gloves, socks, hats, jackets, clothes, back braces, shoes, insoles, knee pads, etc.
Rechargeable BatteryAbout 2.5 -3 hours for fully charged, and working for 2.5 -8 hours at different heating levels.
Batteries Using Life500-600 cycles of charging. Please charge every Three months during storage, Store in a dry indoor environment.
Safety CertificateOur battery got CE, UL, FCC Certified, please feel free to contact us for any questions.