2 Rechargeable Batteries 3.7V 18650 2500 mAh Flat Top (Flat Positive Pole)

Diameter: 18mm Length: 65mm 3.7V rechargeable battery with flat top.
Note: these are flat-top batteries and not button-top, so please make sure they are right for your use before purchase. Because flat batteries are sometimes not suitable for use in devices that require button-top batteries.
2500mAh capacity: With a 2500mAh capacity, this battery offers a substantial charge that can last through prolonged use. The combination of high capacity and high discharge rate provides balanced performance, reducing the need for frequent recharging.
1000 battery cycles: Supports up to 1000 charge and discharge cycles with no memory effect. Reduce the hassle of replacing batteries in your devices.
Wide Compatibility: The 3.7-volt rechargeable battery has great adaptability, compatible with high-power devices, such as headlamps, flashlights, radios, cameras, doorbells, LED lights, solar lights, toys, small fans, RC cars, headlights, electric vehicles, electronic scales, electronic locks, closed-circuit monitoring, juice cups, balance bikes, entertainment equipment, medical equipment, lighting equipment, power tools, amplifiers, scooters, etc...