18650 rechargeable battery lithium 3.7v 3500mah
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18650 rechargeable battery lithium 3.7v 3500mah
18650 rechargeable battery lithium 3.7v 3500mah
Sino Technology Manufacturer Group co.,ltd Home  >  product  >  Rechargeable Battery  >  Lithium Battery
polymer lithium battery

Primary battery

Rechargeable Battery

LR03 alkaline battery

Sino Technology Manufacturer Group co.,ltd
Sino Technology Manufacturer Group co.,ltd
3.7 volt 18650 lithium battery
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3.7 volt 18650 lithium battery

3.7 volt 18650 lithium battery

How big is the charger for 18650 lithium battery 3.7V5000mAh?

18650 lithium battery 3.7V5000mAh what kind of charger is used? Hello dear, use a 5V charger with an output current of at least 5A. The volts of the charger are greater than the volts of the battery. 18650 volts are generally 3.2-3.6 volts. The charger uses 4 to 5 volts and the charging time is related. It can be connected in parallel to charge and discharge, and then the voltage will be balanced; if one battery is 3.6V and the other is 3.9V, the voltage difference is 0.3V, the internal resistance of the battery is 40mΩ+40mΩ=80mΩ, and the charging and discharging current is 0.3V÷80mΩ=3.75A. The instantaneous discharge current of 18650 lithium battery is 2C and the current is about 5A, and the charging current is 1C=2.5A, so the battery will not be damaged.

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