Existing Cell Design Shape: All Others Curved Round Ultra thin U Shape D Shape Voltage: All 3.7V 3.8V 3.85V Capacity: All 1 - 100mAh 101 - 300mAh 301 - 500mAh 500 - 1000mAh >1000mAh Discharge rate: All 1C 3C 5 - 10C 10 - 20C 20 - 40C >40C Sorting: random voltage capacity c_rate Customized Design Curved lithium battery 2514024 60mAh Customized Design Thin Rectangle lithium battery 3550064 132mAh Customized Design Curved lithium battery 6050027 920mAh Customized Design Curved lithium battery 1507030 24mAh