Product Dimensions: NOT AA or AAA batteries, please confirm the battery voltage and battery model carefully before purchase 5O*I4*I4 mm(1.97*0.55*0.55 inch). NOTE: These are 3.7v rechargeable I45OO batteries,
High Performance: 800mAh capacity rechargeable battery which supports stable power for your devices and effectively prevents damage of the devices, such a perfect replacement battery for used devices with high frequency
Multiple Protections: This 3.7v I45OO rechargeable battery is without any memory effect and provide multiple protections,including short circuit, overcharge, and overcurrent protection. Prefectly make the battery to be more stable and safe to protect your devices
Wide Compatibility: The long-lasting 3.7v rechargeable battery is compatible with versatile devices, such as flashlights, headlamps, small fans, remote controls, toys, keyboards, mouse, etc. It's super convenient for home use and outdoor use. NOTE: Please fully charge the products before use
Long Lasting Power: Our Rechargeable battery adopts high energy aggregation technology that will last 5 times longer in high drain devices.