Perfect for powering your high-performance FPV builds – whether you’re assembling a long-range drone battery pack or looking for reliable cells for your ground station setup, this 21700 cell delivers serious power you can count on. With a 4000mAh capacity, excellent thermal stability, and a high discharge rate of 10C, it’s built for demanding FPV applications with long cycle life.

Its larger size compared to the 18650 means more capacity, higher output, and improved efficiency – perfect for building custom Li-ion packs for long-range quads, FPV goggles, or field gear. If you’re serious about endurance and reliability, these 21700 cells are the way to go. Build your pack right – and you’ll never look back. Pinky promise!

Specifications:

• Capacity: 4000mAh
• Weight: 65g
• Nominal Voltage: 3.6V
• Peak Voltage: 4.2V
• Discharge End Voltage: 2.75V
• C Rating: 10C
• Max Continuous Discharge Current: 40A
• Burst Discharge Current: 50A

Includes:

1x Vimana V40 21700 4000Mah 10C Liion Battery