High-Rate Tianyi 21700 4000mAh 10C Li-ion Battery Cell | Custom Logo OEM for Power Tools（100piece/box）

Extreme 10C high rate discharge capability for high torque power tool motors

Professional OEM ODM services with custom logo printing for your own brand

Genuine Grade A 21700 lithium ion cells ensure maximum safety and reliability

High energy density provides more runtime in a standard compact 21700 size

Ultra low internal resistance minimizes heat generation during rapid discharge

Excellent consistency in capacity and voltage for professional multi cell packs

Long cycle life over 1000 times for long lasting cordless equipment performance

Versatile application for electric bikes scooters vacuum cleaners and RC drones