मुझे मिला Free का Lithium Battery😄😄 आप को भी मिल सकता है मेने purchase किया

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Hello friends ess video may app ko laptop ki battery kaise thik kare uske bare may aap sabhi ko bataungi
Aur uske ander jo lithium battery hai usko aap kaise bahar nikal sakte ho uss ke bare may puri jankari aur details se bataya hoo
555 Dc Motor upgrade kaise kare;

Powerful angle grinder;

Upgrade 555 Dc motor into 540 Dc motor:
youtu.be/esd0r0TXT7o
Soldering fume extractor;
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#science#advanced video #cool#awesome project#school level science project#more project#diy master#MJ project#informative