Description
BTCAP 42P 21700 Battery – 4200mAh 70A High-Drain Lithium-Ion Power Cell
The BTCAP 42P 21700 is a high-performance lithium-ion rechargeable battery engineered for demanding energy storage and electronic applications. With a typical capacity of 4200mAh and a maximum continuous discharge current of 70A, this cell is ideal for high-drain systems such as power tools, home appliances, electric toys, and custom battery packs. Its low internal resistance and stable voltage output ensure efficiency and durability under load.
Featuring LiNiMnCoO2 (NMC) cathode chemistry, the BTCAP 42P is built for safety and reliability, delivering consistent energy across a wide range of applications. With up to 500 charge cycles, it is both a cost-effective and long-lasting solution for modern energy needs.
Key Features:
- High Capacity: 4200mAh (4100mAh minimum) for extended device runtime.
- 70A Max Continuous Discharge: Supports ultra high-drain devices with stable power delivery down to 2.5V.
- Durable NMC Chemistry: Built using LiNiMnCoO2 for high energy density and thermal stability.
- Low Internal Resistance: Direct current resistance =8mO for efficient, high-load performance.
- Versatile Applications: Ideal for toys, power tools, consumer electronics, and custom energy storage solutions.
Manufacturer: | BTCAP |
Model: | 42P |
Size: | 21700 |
Positive Terminal: | Flat Top |
Nominal Capacity: | 4200mAh |
Continuous Discharge Rating (max): | 70A |
Nominal Voltage: | 3.6V |
Maximum Voltage: | 4.2V |
Discharge cut-off Voltage: | 2.5V |
Protected: | NO, UNPROTECTED. |
Rechargeable: | Yes |
Approx. Dimensions: | 21.6mm x 70.5mm |
Approx. Weight: | 68g |
Country of Origin: | China |