SmarToools RB40 AA 1.5V 2600mWh Rechargeable Battery (4Pcs Set) 

Specifications:

• Brand Name: SMARTOOOLS
• Model Number:RB40
• Material: Lithium-ion battery
• Charging Method: Type-C usb cable
• Charging Voltage: 5V
• Norminal Voltage: 1.5V
• Typical: 1733mAh
• Capacity: 2600mWh
• Diameter: Min 13.7mm, Max 14.5mm
• Height: Min 49.5mm, Max 50.5mm
• Weight: 18.2(+-0.5)g
• Charging time: 2 hours (+-0.5)
• LED Indicators: Blink when charging,Stay on when full charged
• Short-circuited/over-flowed/over-charged/over-discharged protection: YES