









The Micro USB 5V 1A 18650 Lithium Battery Charger Module with Protection is a compact charging and protection board designed for single-cell 3.7V lithium batteries, including 18650 Li-ion cells. It supports 5V Micro USB input and provides a charging current of up to 1A for fast and efficient charging. Integrated protection circuitry safeguards the battery against overcharging, over-discharging, and overcurrent conditions, ensuring safe operation and longer battery life. LED indicators display charging status clearly. Its small size and easy wiring make it ideal for DIY electronics, portable devices, power banks, and battery-powered projects.
تُعد وحدة شحن بطارية ليثيوم 18650 بمدخل Micro USB 5V 1A مع حماية لوحة مدمجة مخصصة لشحن وحماية بطاريات الليثيوم أحادية الخلية 3.7V مثل بطاريات 18650. تدعم الوحدة دخل 5 فولت عبر منفذ Micro USB وتوفر تيار شحن يصل إلى 1 أمبير لشحن سريع وفعّال. تحتوي على دائرة حماية مدمجة تحمي البطارية من الشحن الزائد، التفريغ الزائد، وزيادة التيار مما يضمن تشغيلًا آمنًا وعمرًا أطول للبطارية. كما تحتوي على مؤشرات LED لعرض حالة الشحن، مما يجعلها مناسبة لمشاريع الإلكترونيات المحمولة وDIY.
The Micro USB 5V 1A 18650 Lithium Battery Charger Module with Protection is a reliable charging solution for single-cell lithium-ion or lithium-polymer batteries, especially 18650 rechargeable cells. The module combines battery charging and protection functions in a compact PCB, making it highly suitable for portable electronic applications.
The board operates with a 5V input, typically supplied through the onboard Micro USB connector, allowing convenient charging using common phone chargers or USB power supplies. It can deliver a maximum charging current of 1000mA (1A) for efficient charging performance.
Integrated protection circuitry continuously monitors battery conditions and provides protection against overcharge, over-discharge, and overcurrent. Charging automatically stops when the battery reaches 4.2V ±1%, helping prevent battery damage and extending service life.
The module includes LED status indicators, where red indicates charging and green indicates a fully charged battery. Additional solder pads for direct voltage input provide extra flexibility for custom electronics and DIY projects.
Because of its compact size and protective features, this module is widely used in power banks, portable electronics, battery backup systems, IoT devices, and DIY battery-powered circuits.
| Specification | Details |
|---|---|
| Product Name | 18650 Lithium Battery Charger Module |
| Input Voltage | 5V DC |
| Input Connector | Micro USB |
| Charging Current | 1A (1000mA Max) |
| Charging Cut-Off Voltage | 4.2V ±1% |
| Over-Discharge Protection Voltage | 2.5V |
| Over-Discharge Protection Current | 3A |
| Battery Type | Single Cell Li-ion / 18650 |
| Dimensions | 2.6 × 1.7 cm |
| Status Indicator | Red (Charging), Green (Full Charge) |