Key Features

4200mAh Capacity: Provides long-lasting power for devices requiring extended runtime.
45A Max Continuous Discharge: Delivers consistent high current output for demanding applications.
NMC Cathode Chemistry: Uses LiNiMnCoO₂ for enhanced energy density and thermal reliability.
Low Internal Resistance: ≤8mΩ for efficient energy transfer with minimal heat buildup.
Rechargeable and Unprotected: Offers flexibility for builders integrating custom BMS solutions.

The BTCAP 42P 21700 is engineered for power-hungry systems, offering high discharge rates, superior NMC chemistry, and a reliable 4200mAh capacity. It's an ideal choice for e-mobility, DIY battery packs, power tools, and demanding electronics. This cell delivers stable output and extended cycle life, making it a cost-effective option for performance-focused builds.

Applications/Uses

Power Tools: Ideal for high-drain tools requiring rapid discharge without performance loss.
Battery Packs: Versatile for custom battery banks and energy storage setups.
Electric Toys: Keeps RC cars, drones, and other devices powered longer.
Consumer Electronics: Great fit for portable devices requiring large bursts of power.
Prototype Builds: Popular among makers and engineers building high-output systems.

SPECIFICATIONS

Manufacturer:	BTCAP
Model:	42P
Size:	21700
Positive Terminal:	Flat Top
Nominal Capacity:	4200mAh
Continuous Discharge Rating:	45A
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

BTCAP 21700 Batteries

BTCAP 21700 42P 3.6V 4200mAh 45A Battery