How to modify the lithium battery charger of Huawei power supply

time：2024-10-13 16:02:22 Smart Hardware

Content 1:

1. The original 18650 charger was made earlier, using a finished board of a power bank with a USB port, and the battery on the street can be used to charge the mobile phone

2. This time it was changed to a socket style on the basis of the original , which is convenient for use with various types of lithium batteries, and the original battery box was removed, and the circuit board remained unmoved

3. Cut off the original part of the circuit board together with the universal version below, which is the main part we use

Content 2:

1. Remove the original circuit board and add a voltage regulator to the output, such as the LM317 voltage regulator chip.

2. Connect the input of the chip to the output of the original circuit board, and the output to the battery.

3. Set the output voltage of the LM317 by rotating an adjustable potentiometer.

# Smart Hardware #

《How to modify the lithium battery charger of Huawei power supply》 This does not represent the views of this website. If there is any infringement, please contact us to delete it.

Latest article

Recommend

Ranking