08/10/2023
Power Bank Circuit 5V 2A Single USB DIY Power Bank.
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inbox. Rabbi Elctronics
Description
Power Bank Circuit LED Battery Level Indicator
Separate the good batteries from the old battery bank of the laptop and put them in this circuit to make your power bank
You can insert the old cell of the laptop or the 18650 model lithium-ion battery for 1-4 hours.
Capacity: 10000 mAh maximum
Output: 1 USB 5 volt maximum
Current: 2 amps maximum
Charging: Micro USB 1 amp