Universal Single Cell 3.7V

Charge your 18650 lithium-ion batteries safely and efficiently with this compact, universal charger. Designed for single-cell batteries, it delivers a reliable charge every time. Whether you’re powering up flashlights, cameras, or other devices, this charger ensures optimal performance and longer battery life. With built-in overcharge protection, it keeps your batteries safe from damage. Its lightweight design makes it perfect for on-the-go use or home charging stations.

Input Voltage: 100-240V AC (50/60Hz) or USB 5V DC

Output Voltage: 4.2V DC

Output Current: 500mA – 1000mA (varies by charger model)

Battery Type Supported: 18650 rechargeable lithium-ion battery (3.7V)

Charging Method: Constant Current / Constant Voltage (CC/CV)

Charge Indicator: LED light (Red = Charging, Green = Fully Charged)

Overcharge Protection: Yes

Short Circuit Protection: Yes

Reverse Polarity Protection: Yes

Dimensions: Typically 100mm x 30mm x 30mm (may vary by brand)

Weight: 50-100 grams

Operating Temperature: 0°C to 40°C

Storage Temperature: -10°C to 70°C

Material: Fire-resistant ABS plastic housing

Portability: Lightweight and compact design