Parkside Battery Not Charging Charger LEDs is Blinking 20V 4Ah

Charger leds is blinking
In this video I will show you why the Parkside battery no longer charges and the charger goes into protection mod
Here you can see the products which i used in this video
Li-ion battery 3000mAh s.click.aliexpr...
Battery Spot Welder • DIY Battery Spot Welde...
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