Lithium Battery Charger C20 Smart Charger for 18650 18490 18350 17670 17500 16340 14500 10440 Li-ion IMR Batteries with Micro USB DC 5V Input LED Display and USB Output 500mA 1000mA
C20 Smart Lithium Battery Charger for 18650 and Other Cylindrical Cells with LED Display

This C20 lithium battery charger offers a reliable solution for recharging multiple sizes of cylindrical lithium-ion and NiMH batteries safely. Designed for users with a collection of rechargeable cells, it features two independent charging slots with a microcomputer management system that automatically detects the battery type and condition. The charger provides two selectable charging currents, a clear LED status display, and a USB output port for charging other devices. Its compact 112mm x 60mm x 30mm footprint makes it easy to store or transport, while built-in protections safeguard against common charging hazards.
Features and Construction

This charger is built around a robust microcomputer management system that monitors each slot independently. It supports a wide range of common lithium and NiMH battery sizes, making it a versatile addition to any home or workshop.
Material and Build
The charger is housed in a durable plastic casing designed for indoor use. Its compact dimensions of 112mm x 60mm x 30mm allow it to sit neatly on a desk or shelf. The unit requires a Micro USB DC 5V input, and an adapter with 2A current is recommended for stable operation.
Size and Practical Fit
Measuring just 112mm in length, 60mm in width, and 30mm in height, this charger is small enough to carry in a bag or to store in a drawer. The two slots accept batteries with ease, and the LED indicators provide clear feedback without requiring close inspection.
Uses and Placement

Whether you are a photographer using 18650 cells for camera flashes, an enthusiast maintaining 18350 cells for e-cigarettes, or someone managing multiple devices that use 14500 or 16340 batteries, this charger covers most common cylindrical lithium formats.
Event or Professional Use
Professionals who rely on high-drain batteries for photography, medical devices, or portable tools will appreciate the independent charging slots. Each slot operates independently, so a battery of one size can be charged alongside a different size without issue, and the 500mA/1000mA current selection allows matching the charge rate to the cell's specification.
Everyday Home Use
At home, this charger simplifies the process of keeping spare batteries ready. The LED display indicates charging progress in clear 25% steps, and the automatic battery detection removes guesswork. The USB output function also allows charging of phones or other small electronics at 5V/1000mA, adding extra convenience.
Benefits and Buying Value

Safety features are a key advantage of this charger, providing peace of mind during regular use. The versatile battery compatibility and USB output make it a value-packed accessory for any household with rechargeable batteries.
Reuse and Low Maintenance
By charging rechargeable batteries, this device helps reduce waste from disposable cells. The intelligent protections, including over-charge, over-discharge, short circuit, and reverse battery detection, help extend the lifespan of your batteries and maintain consistent performance.
Why Choose This Product
This C20 charger covers eight common lithium and NiMH battery sizes in one compact unit, saving the need for multiple chargers. The independent slots, clear LED feedback, and built-in safety systems offer a practical and straightforward solution for daily battery management.