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INR21700-40T Li-ion Battery 3.7V 4000mAh 30A High Drain Rechargeable Cell for Flashlight Power Tools Pack Device Use
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Brand: Daweikala
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 ± 1g
Production date: 2024
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.
The main picture is for reference only. There are different SKU options. Please see clearly and select the corresponding picture window to order. Thank you.
Note: Light shooting and different display may cause the color of the items in the picture to be slightly different from the real object. The allowable error of measurement is+/- 1-3cm.
