We have a detailed video on how to test the voltage of the battery and charger:
https://www.youtube.com/watch?v=MUu-9tsvSQA

This article is dedicated to showing how to test the voltage of the battery by using a voltmeter.

When you have encountered the following situation, we might need you to test the battery's voltage for us to identify the problem:
-Battery cannot be charged.
-Range is reducing.
-Battery life is reducing.

Prepare:

To test your e-bike battery, the only tool you’ll need is called a multimeter.
A multimeter is a simple electrical measuring instrument that’s cheap and easy to get. You can find them on Amazon.



Execute:

Turn on your multimeter and set it to DC Mode (200VDC)



Put the negative probe (the black one) on the battery charging port 1 and put the positive probe (the red one) on battery charging port 3 (see picture)





See reading on the multimeter, if the battery's voltage is 40-54V, then the battery is normal.
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