SmarToools RB40 AA 1.5V 2600mWh Rechargeable Battery (4/2 Pcs Set) in BangladeshSpecifications:Brand Name: SMARTOOOLSModel Number:RB40Material: Lithium-ion batteryCharging Method: Type-C usb cableCharging Voltage: 5VNorminal Voltage: 1.5VTypical: 1733mAhCapacity: 2600mWhDiameter: Min 13.7mm, Max 14.5mmHeight: Min 49.5mm, Max 50.5mmWeight: 18.2(+-0.5)gCharging time: 2 hours (+-0.5)LED Indicators: Blink when charging,Stay on when full chargedShort-circuited/over-flowed/over-charged/over-discharged protection: YES