středa 3. února 2016

BW-LY5 battery charging indicator

I bought this (BW-LY5, aca BW-LYLCD) indicator on Ebay for $7 USD including shipping. From the description, I've had no idea about its function.

After it was delivered, I connected it to an adjustable voltage power source and recorded the following video:

Then I searched a little bit and found this user manual, which explains it  all.