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20A 3.7V 18650 Li-ion Battery Protection Board (BMS)
20A 3.7V 18650 Li-ion battery protection board (BMS)—overcharge, over-discharge, and overcurrent protection for single-cell Li-ion packs.
The 20A 3.7V 18650 Li-ion Battery Protection Board (BMS) is designed to safeguard single-cell 18650 Li-ion battery packs from overcharge, over-discharge, and overcurrent conditions. With a 20A continuous current rating, it ensures safe operation and extends battery lifespan for DIY and portable electronics projects.
This BMS features short-circuit protection, thermal protection, and balanced charging, maintaining stable and safe voltage levels for your battery. It is ideal for portable devices, DIY power banks, small electric vehicles, Arduino/ESP32 battery projects, and other battery-powered electronics.
Compact and easy to integrate, this 20A 3.7V BMS provides reliable protection for single-cell Li-ion systems while ensuring high efficiency and safety.

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WH0201102 ABS 1.75 mm 1 kg Filament-Wanhao
- Material: ABS
- Color: White
- Material Diameter: 1.75mm
- Printing Temperature: 220° to 230°C
- Roundness Accuracy: +/- 0.5mm +/- 0.5mm
- Density: 1.31g/cm3 1.01g/cm3
- Mounted: Spool Mounted
- Net weight: 1kg
- Packaging Vacuum-sealed with desiccant to protect the filament from humidity
- Highly Detailed & Quality Outputs.
- Tried and Tested by Makenica.com
- Compatible with any FDM 3D Printer.
- ABS is stronger than PLA
- Easy to post-process.
- Environment friendly – ISO 9001 and ROHS certified

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