Weltool INR21-40P High-Drain 21700 Li-ion battery 4000mAh
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Weltool INR21-40P High-Drain 21700 Li-ion battery 4000mAh

$10.00
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Weltool INR21-40P High-Drain 21700 Li-ion battery 4000mAh   Weltool INR series lithium-ion batteries are original cells without additional protection circuits. Make sure not to overdischarge or overcharge this battery while in use.  This INR21-40P is a high drain battery with a maximum discharge current of 45A. Model: INR21-40P Capacity: 4000mAh Internal resistance: ≤12mΩ Voltage: 3.65V Continuous discharge current : 45A（-20-60 ℃） Max. charger charging current:  6A (15℃- 45℃) Standard charging current:2A（25℃ ± 2℃） Overcharge protection voltage: 4.2±0.05V Over-discharge protection voltage: 2.5±0.1V Cycle charge and discharge times: 300 times, the battery has 60% capacity Charging temperature: +0~+45 ℃ Discharge temperature: -20~+60℃ Storage temperature: -20~+40℃ (Less than 3 months) Dimensions: 21.0±0.2 mm (diameter), 70.4±0.2 mm (length) Weight: 66±2g   Warnings : Do not immerse the battery in water. Do not place it near a heat source such as a fire source or heater. Do not use over-

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