lipo battery for pocket calculators

{"cid":"91221281","title":"3.7V 250mAh 801823 High Energy Density Lipo Battery For Pocket Calculators","imgUrl":"https:\/\/img.chinax.com\/nimg\/99\/4f\/bf42766b273279aafb300c6ba68f-200x200-1.jpg","attrs":{"Price":"0.8-1.5USD\/PCS","Brand Name":"UNEMETECH","Model Number":"UNM801823","Minimum Order Quantity":"5000PCS","Delivery Time":"7-35 days","Certification":"UN38.3, MSDS, CE, CB, IEC62133, PSE, KC, UL1642...","Place of Origin":"Guangdong, China","Payment Terms":"T\/T , WorldFirst , Payoneer , PingPong , Paypal , Alipay , Western Union , ...","Supply Ability":"200,000.00 Pieces Per Day","Packaging Details":"Inner Tray + Inner Box + Outer Carton","Battery Type":"Li-polymer Battery","Model":"UNM801823","Nominal Voltage":"3.7V","Nominal Capacity":"250mAh","Max Charging&Discharging Current":"1C\/250mA","Battery Cell Size":"MAX 7.65(T)x17.8(W)x23.0(L)mm","Battery Pack Size":"MAX 7.65(T)x17.8(W)x25.0(L)mm","Energy":"0.925Wh"}}

{"cid":"91219565","title":"UPS Rechargeable Lithium Battery Pack , Scooter Battery Pack 2000mAh","imgUrl":"https:\/\/img.chinax.com\/nimg\/99\/0e\/d979000e0843334335a7c0de199e-200x200-1.jpg","attrs":{"Price":"USD19\/Piece","Brand Name":"Lanke","Model Number":"18650","Minimum Order Quantity":"100","Delivery Time":"5 Days","Place of Origin":"China","Payment Terms":"L\/C,T\/T, Western Union, MoneyGram","Supply Ability":"100000 PCS\/Month","Packaging Details":"Carton","Protection":"Overcharge, Overdischarge, Short Circuit","Material":"Lithium-ion","Recharge Cycles":"500","Compatibility":"Smartphones, Tablets, Cameras,Model Toys","Color":"Blue","Output":"12V\/6A","Capacity":"2000mAh","Size":"37*37*66mm"}}