How to Build a 4S Lithium Battery Charger & Cell Balancer with TP4056 (Easy DIY)

hi friends 🌹 In this video, I'll show you how to build a DIY 4-cell (4S) lithium battery charger and balancer using four TP4056 charging modules and a 4-slot 18650 battery holder. This simple project allows you to charge each lithium-ion cell individually while helping keep the battery pack balanced. It's an affordable and practical solution for DIY electronics enthusiasts. In this tutorial you'll learn: ✔ How the charging circuit works ✔ How to wire 4 TP4056 modules correctly ✔ Battery balancing during charging ✔ Safety tips for lithium-ion batteries ✔ Complete DIY assembly step by step Components Used: 4× TP4056 USB-C Charging Modules 4× 18650 Li-ion Batteries 4-Slot Battery Holder USB Power Supply Connecting Wires ⚠️ Safety Notice: Always use matched lithium-ion cells in good condition. Never leave batteries unattended while charging, and verify all wiring before powering the circuit. If you enjoyed this tutorial, don't forget to Like, Subscribe, and Share for more DIY electronics projects! Hashtags #TP4056 #18650 #LithiumBattery #BatteryBalancer #DIYElectronics #BatteryCharger #Electronics #Maker #DIYProjects #ToolTronic 00:00