This professional 21700 lithium-ion battery is designed for high-drain devices that require reliability and extended runtime. Equipped with a dedicated protection circuit (PCM/PCB), it offers maximum safety for the user.
Key Highlights:
Safety Protection: Built-in protection against short circuit (>15 A), over-discharge, and overcharge.
Button Top Design: Features a slightly raised positive terminal for broad compatibility and better contact.
Durability: Rated for over 500 charging cycles.
Specifications:
Capacity: 5000 mAh (18.5 Wh)
Nominal Voltage: 3.7 V (4.2 V at full charge)
Max Recommended Charge Current: 5 A
Dimensions: Diameter 21.5 mm, Length 75 mm
Weight: 75 grams (+/- 2 g)