3 7v 27mah smart ring battery

{"cid":"91221281","title":"220726 3.7V 27mAh Curved Smart Ring Battery Smart Wearable Battery","imgUrl":"https:\/\/img.chinax.com\/nimg\/ed\/b7\/31e790796f4d0396a3162704482b-200x200-1.jpg","attrs":{"Price":"1.2-3.2USD\/PCS","Brand Name":"UNEMETECH","Model Number":"UNM220726","Minimum Order Quantity":"500PCS","Delivery Time":"3-30 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":"20,000.00 Pieces Per Day","Packaging Details":"Inner Tray + Inner Box + Outer Carton","Battery Type":"Curved Lipo Battery","Nominal Voltage":"3.7V","Nominal Capacity":"27mAh","Charge Ending Voltage":"4.2V","Discharge Ending Voltage":"3.0V","Max Charge\/Discharge Current":"1.0C(27mA)","Cell Impedance (V=3.9-4.0V)":"\u22641600m\u03a9","Operating Temperature":"Charge: 0-45\u2103 \/ Discharge: -20-60\u2103","Maximum Cell Dimension":"T:2.2mm W:7.0mm L:27.5mm","Cycle Life":"\u2265500 Cycles"}}

{"cid":"91224489","title":"Wearable Curved Lipo Battery 150732 3.7V 20mAh Ultra Thin Lipo Battery Pouch","imgUrl":"https:\/\/img.chinax.com\/nimg\/60\/df\/eb29413091dddb63610529fd58cc-200x200-1.jpg","attrs":{"Price":"$1.6~1.88","Brand Name":"VATS Battery","Model Number":"150732","Minimum Order Quantity":"10 pcs","Delivery Time":"7 work days","Place of Origin":"Guangdong, China","Payment Terms":"T\/T","Supply Ability":"Ships in 7 Work Days (In-Stock) \/ 30 Work Days (Out-of-Stock)","Size":"1.5x7x32mm","Type":"Li-polymer","Cycle life":"300 Times","Nominal capacity":"20mAh","Nominal voltage":"3.7V","Warranty":"1 Year","Application":"Toys, Consumer Electronics","Oem\/odm":"Welcome"}}

{"cid":"91213949","title":"3.7V 560mAh Novel Round Lithium Ion Battery Smart Watch 533535","imgUrl":"https:\/\/img.chinax.com\/nimg\/10\/de\/e135c9a108bab8d4ef3d94282a3b-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"AllrunBattery","Model Number":"533535","Minimum Order Quantity":"Negotiable","Delivery Time":"5~8 working days when cells in stocks.","Payment Terms":"T\/T, PayPal, Western Union.","Supply Ability":"40 million pieces LiPo battery cells per year.","Packaging Details":"Factory standard package, or on demand.","Name":"Round Li-polymer Battery","Cell size":"5.5*35*38mm(T*W*L)","Voltage":"3.7V","Capacity":"560mAh","Standard discharge current":"280mA","working life":"80% of initial capacity after 500 cycles(0.5C charge and discharge)"}}