4Pcs 18650 3.7V 5000mAH Rechargeable Lithium Battery Yellow
From the Manufacturer:High quality and durableProvides continuous power to your deviceHigh energy density, long life batteryDurable in low and high temperature operationsFit for camera, watch, calculators and other electronic devicesDimensions: 2.56 x 0.71" / 6.5 x 1.8 cm (L x Dia)Color: YellowCapacity: 5000mAhVoltage: 3.7VQuantity: 4PcsType: 18650 Li-ion BatteryIncludes:4 x Battery