12 volt battery kaise banaen | laptop battery se DIY project

In this video, I show my DIY project using a laptop battery to make a 12V battery pack. Learn about the battery cells, protection circuit board, voltage testing, and important safety precautions. ⚠️ Lithium-ion batteries can cause fire or injury if incorrectly connected or charged. Use compatible protection circuitry and a suitable charger. 3s 20Amp Cell BMS 18650 Lithium Battery Protection link https://link.amazon/B08mTnkTw Subscribe to Audio Xpert for more electronics projects, amplifier repairs, Arduino projects, and DIY tutorials. #LaptopBattery #12VBattery #DIYProject #AudioXpert