3 7 volt li polymer battery 500mah

{"cid":"91199489","title":"3.7V 500mAh UN38.3 Certified Lithium Polymer Battery Lipo Battery Pack for Digital Products","imgUrl":"https:\/\/img.chinax.com\/nimg\/49\/c5\/f8f1e1c851185fac353eb5ea5904-200x200-1.jpg","attrs":{"Model Number":"LP603030","Minimum Order Quantity":"2000pieces","Delivery Time":"within 15days","Certification":"UN38.3, MSDS, IEC62133, RoHS","Place of Origin":"China","Payment Terms":"T\/T","Supply Ability":"50'000Pieces daily","Packaging Details":"Bulk packing","Voltage":"3.7V"}}

{"cid":"91220258","title":"3.7 Volt Lithium Battery Rechargeable Lipo 502030 502535 503030 400mah 500mah Lithium Ion Batteries","imgUrl":"https:\/\/img.chinax.com\/nimg\/12\/4d\/dbbf91b23baddddd745d33a0a70b-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"AUK","Model Number":"502535","Minimum Order Quantity":"100PCS","Delivery Time":"5-8 Work Days","Certification":"MSDS","Place of Origin":"China","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram","Supply Ability":"10000pcs\/day","Packaging Details":"Carton box","Application":"Beauty Equipment","Cycle Life":"500-1000 cycles","Discharge Temperature":"-10\u00b0C\uff5e60\u00b0C","Rated Voltage":"3.7v","Rated Capacity":"250mAh","Rechargeable":"Yes","Type":"Lithium Polymer","Operating Temperature":"-20\u00b0C to 60\u00b0C","Charging Temperature":"0\u2103 to 45\u2103","Shipping Way":"UPS \/ TNT \/ FEDEX \/DHL","Material":"Lithium Cobalt Oxides","Warranty":"1 year","Chemical System":"Li-polymer","Voltage":"3.7V","Charge Temperature":"0\u00b0C\uff5e45\u00b0C","Max Discharge Current":"1C","Charging Limit Voltage":"4.2V","Rated Volatage":"3.7V","Capacity":"300mAh","Discharge Rate":"1C","Max Charge Voltage":"4.2V"}}