3.7 volt rechargeable battery : Compatible with flashlights headlamps, doorbells, cameras, small fans, etc. Helps you power up your devices at any time
Long Lasting and Rechargeable : 3000mAh High capacity rechargeable batteries support stable 3.7v output voltage, makes the devices work more stable and lasting longer, great replacement batteries for high frequently used devices.
What you Get : Flat Top rechargeable battery*4 and 2* box.
Dependable and Secure: A 3.7 volt lithium ion battery featuring a shell with resistance to corrosion and flames can provide protection for the Flat top battery and extend its lifespan.