This 3.7V Li-ion Rechargeable Battery Charger is a convenient and efficient charger designed for single-cell lithium-ion batteries, including 18650, 14500, and 16340. It features a standard USB input, making it compatible with wall adapters, computers, and power banks.
Built with automatic charging management, it ensures your batteries are charged safely and efficiently. The LED indicator helps monitor the charging status—Red for charging and Green when fully charged. This compact charger is perfect for hobbyists, flashlights, robotics, power banks, and embedded electronics.
Whether you’re working on an Arduino, IoT project, or simply need a spare charger for your battery-powered devices, this portable Li-ion battery charger is a reliable choice.
⭐ Key Features:
-
🔋 Compatible with 18650, 14500, 16340 Li-ion batteries
-
🔌 USB-powered for convenient charging
-
💡 LED Indicator: Red = Charging, Green = Fully Charged
-
⚡ Auto cut-off when battery is fully charged
-
🛡️ Overcharge and short-circuit protection
-
📦 Compact, lightweight, and easy to carry
-
🔧 Plug & play – no installation needed
⚙️ Technical Specifications:
| Specification | Details |
|---|---|
| Input Voltage | 5V USB |
| Output Voltage | 4.2V (for 3.7V Li-ion batteries) |
| Supported Batteries | 18650, 14500, 16340 (3.7V Li-ion) |
| Charging Current | ~500mA – 1000mA (approx.) |
| Protection Features | Overcharge & Short-circuit protection |
| Indicator LED | Red = Charging, Green = Fully Charged |
| Material | Durable ABS Plastic |
| Application | Flashlights, DIY Projects, Arduino, ESP, etc. |
Reviews
There are no reviews yet.