3.7V 4000mAh 21700 Rechargeable Li-ion Cell 30A Heavy Current Discharge INR21700-40T Industrial Grade Battery

Model: INR21700-40T
Size: 70 * 21 (mm)
Charging voltage: 4.2V
Rated voltage: 3.7V
Capacity estimation: 4000mAh
Internal AC resistor, impedance 1kHz: 12-18M
Charging current:
Standard tray: 0.5 C
Fast charging: 2.0 seconds
Default download method:
Charge 0.5cc (DC) to 4.2V, then charge CV (DC voltage 4.2V) until the charging current drops to 1.05C
Download time:
Standard download: 4.0 hours (link)
Fast charging: 2.0 hours (link)
Max Charging current: 1C (4000mAh)
Max Discharge current: 10C (4000 mAh)
Maximum continuous discharge current: 30A
Current discharge: 30A or above
Discharge cut-off voltage: 2.5V
Working temperature:
Loading capacity: 10 ℃ 45 ℃.
Unloading: Unloading at 10 ℃ and 45 ℃
Its protection exists: yes (passive), PTC valve, CID
Storage temperature -20 ℃~BEN60 ℃.
GOST R certification: Yes, GOST R IEC 61960-3-2019
The cell weight is approximately 70g
Production date: 2025
Explanation:
(1) Packaged batteries are used for electric vehicles, electric scooters, and other electric vehicles. Suitable for electronic products C. Cigarettes (W-EIP, M-EHMOD, etc.)
(2) Due to temperature and environmental factors, the battery capacity will change, with a capacity of 100-200mAh.
Suitable for battery assembly, low internal resistance, and low container dispersion. High power and long lifespan (1000 guaranteed cycles *). The actual internal impedance is 12-18 MoH. The bearing does not comply with 61427-12014.
(3) Don't worry about quality when shopping in our store. Let's make sure they have the latest and largest advanced batteries every time.