Features:No memory effect.Environmentally friendly.Large capacity.Great batteries for your flashlights or other devices. Specifications:Color: RedType: Rechargeable li-ion batteryModel: 18650Voltage: 3.7VCapacity: 5000mAhQuantity: 2pcsSize: Approx. 6.6 * 1.8cm / 2.6 * 0.7in (Height * diameter)Weight: Approx. 75g / 2.7ozPackage List:2 * 18650 Rechargeable Li-ion Battery