Advantages of the 18.5V 4000mAh 21700 Lithium ion Rechargeable Battery:

1. 18.5V nominal voltage, suitable for 18V power tools and portable devices.

2. Uses 21700 4000mAh lithium-ion cells, offering higher energy density and longer battery life compared to 18650 cells.

3. Lightweight design, 40% lighter than nickel-cadmium batteries of the same specifications, making it highly portable.

4. Equipped with a BMS (Battery Management System) to prevent overcharging, over-discharging, overcurrent, and short circuits, protecting the circuit.

5.  Offers over 700 full charge/discharge cycles, maintaining over 80% capacity after cycling, with no memory effect, ensuring durability and high cost-effectiveness.

6. Complies with RoHS, CE, and other certifications, making it environmentally friendly.

Applications of the 18.5V 4000mAh 21700 Lithium-ion Rechargeable Battery:

Robotic lawnmowers, robotic vacuum cleaners, cordless vacuum cleaners, power drills, impact wrenches, angle grinders, electric saws, security camera pan/tilt systems, backup power for outdoor cameras, etc.