Convert Old 12V Battery Box into Adjustable 1V-12V Li-ion Power Pack with Display

#NexusElectronicsLAB #LiIonBattery #AdjustablePowerSupply Hi Guys! In this video, I'll show you how to make a 12V 8Ah lithium-ion battery pack with adjustable output voltage from 1V to 12V using an old lead-acid battery housing. This DIY electronics project covers 3S Li-ion battery pack wiring with BMS protection, integrating a buck converter module, potentiometer control, digital volt-amp display meter, and DC charging jacks. Whether you're a beginner, student, or electronics enthusiast, this step-by-step tutorial will help you convert old battery cases into versatile workbench power supplies with confidence. ⚠️ DISCLAIMER: The information provided in this video is for educational and informational purposes only. I do not assume any liability for any losses or damages caused by the use of any content in this video. Take extreme care when spot-welding or soldering 18650 lithium-ion cells to avoid accidental short circuits. If you enjoy electronics projects, don't forget to Like 👍, Share 📤, and Subscribe 🔔 to Nexus Electronics LAB for more DIY electronics tutorials and innovative projects. 💬 Have any questions? Leave a comment below—I’ll be happy to help! #liionbattery #12VBattery #AdjustablePowerSupply #18650Battery #LithiumBatteryPack #DIYElectronics #ElectronicsProjects #DIY #Electronics #NexusElectronicsLAB