Custom heating suit lithium polymer battery ,3.7 v 4400mah rechargeable heating gloves battery pack Voltage:3.7V Capacity:4400mAh Type:Li-Polymer Dimension:5.0*70*98mm Max charging voltage:4.35V Max charging current:4400mA Meet the testing requirements of :CE,ROHS,MSDS,UN38.3 etc With PCB protection Fit for:Heating products such as heating clothes,heating gloves,heating shoes and so on Other specifications can be customized according to requirements