Nitecore UMS4 Charger

UMS4 is a QC input available intelligent USB four-slot superb charger with a total max output of 4,000 mA and a single slot max output of 3,000 mA. With LCD display for real-time charging information, it is equipped with a USB charging port for outdoor charging.

Charging from a USB port makes this charger is ideal for outdoor activities. It has an improved charging program for IMR battery.

The UMS4 charger from Nitecore detects internal resistance and battery health.

UMS4 automatically selects between three programs (CC, CV and -dV / dt) according to the type and capacity of the batteries.

It is compatible with various external energy sources such as USB adapters, Power Banks, Solar Panels etc and has the ability to restore over-discharged IMR batteries.

The UMS4 has the ability to activate over-discharged Li-ion batteries. UMS4 will check and activate before starting charging. If the battery is damaged the display will show the message “EE EE”.

It has reverse polarity and short circuit protection.

If there is no action on the charger buttons within 10 minutes, the display will turn off to save power.

It is made of durable polycarbonate materials, fire retardant.

It incorporates a smart temperature regulation system designed to protect it from overheating.

The unique cooling fins are designed for excellent cooling performance

A USB charging cable is included in the packaging.

Download here the product manual.

Technical Characteristics

• Input: DC5V/2A 12V/1.5A 18W (MAX)
• Output: 4.35V±1% / 4.2V±1% / 3.7V±1% / 1.48V±1%
• Quick Charge Mode (QC) : 3000mA * 1 (MAX), 2000mA *2 (MAX), 1000mA * 4 (MAX)
• Normal charging mode: 2000mA * 1 (MAX), 1000mA * 2 (MAX), 500mA * 4 (MAX)
• Compatible with : IMR / Li-ion / LIFEPO4: 10440, 14500, 14650, 16500, 16340 (RCR123), 16650,17350, 17500, 17650, 17670, 17700, 18350, 18490, 18500, 18650, 18700, 20700, 21700, 22500, 22650,25500, 26500, 26500, 26500, 26650, 26700
• Ni-MH/Ni-CD: AA, AAA, AAAA, C, D
• Dimensions: 159 x 107 x 41mm
• Weight: 255.4g