li ion polymer battery 3 7 v 50mah

{"cid":"91199489","title":"401119 Rechargeable Lithium Ion Battery Pack 3.7V 50mah Li Ion Polymer Battery","imgUrl":"https:\/\/img.chinax.com\/nimg\/bc\/b4\/9e5c5463d47f388fb7d99f20d7e3-200x200-1.jpg","attrs":{"Model Number":"401119","Minimum Order Quantity":"5000pieces","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","Battery Type":"Lipo battery pack","Voltage":"3.7V","Capacity":"50mAh","Cycle life":"500times","Weight":"2g","Application":"Beauty device","Size":"4*11.5*21mm"}}

{"cid":"91202170","title":"3.7V 1400mAhRechargeable Lithium Polymer Battery For Medical Device","imgUrl":"https:\/\/img.chinax.com\/nimg\/0d\/68\/188e085149fd2d3433d695f00194-200x200-1.jpg","attrs":{"Price":"Negotiated The Price","Brand Name":"FUNPACK","Model Number":"803048","Minimum Order Quantity":"10000","Delivery Time":"30-45 work days","Certification":"CE ROHS UL","Place of Origin":"Battery CELL made in CHINA","Payment Terms":"T\/T, D\/P, D\/A, L\/C","Supply Ability":"5000PCS \/Day","Packaging Details":"Customer requirements","Standard Capacity":"1400mAh","Limited Charging Voltage":"4.2V","Weight":"24.24g","Power of battery":"3.7V","Standard voltage":"60%\u00b125% R.H","Continuous operating current":"700mA","Size":"8.0*30*50mm","Material":"polymer"}}