Specifications: 1) Nominal Capacity: 200 mAh 2) Minimum: 190 mAh 3) Internal Resistance:<200 mΩ 4) Voltage:3.7 5) Thickness:4.7mm 6) Width:17mm 7) Length:30mm 8) Weight:4.0 g Key Features: 1) High Energy Density 2) Safe & Reliable 3) High Capacity 4) Light Weight 5) Super Slim Design 6) Good Load Performance 7) Flexible Dimensions 8) Low Impedance and No Memory Effect 9) Excellent Discharge Performance 10) Custom Design Available