How to Charge 1S and 2S Lithium Batteries: TP5100 Explained! 🔋

Meet the TP5100—the ultimate step-down (buck) lithium battery charger module that easily outperforms the classic TP4056! ⚡🔋

In this short, we break down exactly how the TP5100 works and why it’s a must-have for your hardware electronics toolbox. Unlike standard linear chargers that get incredibly hot, the TP5100 uses a high-efficiency buck switching architecture. But its best feature? It can easily switch between charging a single cell (1S - 4.2V) and two cells in series (2S - 8.4V) just by bridging a simple solder pad on the PCB!

Whether you are building custom power packs, salvaging 18650 cells, or working on hardware-only DIY projects, this tiny module handles up to 2A of charging current safely and efficiently.

🛠️ TP5100 Key Specifications:
• Dual Capability: Charges 1S (4.2V) or 2S (8.4V) Lithium-Ion/Lithium-Polymer batteries
• Input Voltage Range: Wide 5V to 18V input (perfect for 12V power adapters)
• Charging Current: Defaults to 1A, programmable up to 2A max
• Architecture: High-efficiency buck switching topology (runs much cooler than linear modules)
• Full Protection: Built-in overcurrent, undervoltage, over-temperature, and short-circuit protection
• Status LEDs: Clear red/blue onboard indicators for charging status

How to switch it to 2S mode: Simply short the two pads labeled "SET" with a small bead of solder, and it instantly switches from a 4.2V charger to an 8.4V charger!

Are you upgrading your next project from the TP4056 to the TP5100? Drop a comment below and let me know what you're building! 👇

If you love clear, hardware-focused electronic breakdowns with zero programming required, hit that LIKE button and SUBSCRIBE for more technical tutorials! 🛠️💥

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Видео How to Charge 1S and 2S Lithium Batteries: TP5100 Explained! 🔋 канала Electric techs