Battery charger - Nitecore UM4
Nitecore UM4 battery charger
Nitecore UM4 is a smart charger dedicated to IMR/Li-Ion/LiFePO4 and Ni-MH/Ni-Cd batteries in various sizes and capacities. The firmware used allows for optimal charging of four batteries at once. Real-time LCD display informs the user of charging status and battery condition. Thanks to the USB socket, the charger can be powered from adapters, powerbanks or outdoor solar panels. The UM4 enclosure is made of flame-retardant, impact-resistant material and has heat sinks to facilitate heat dissipation. UM4 is a great choice for outdoor enthusiasts, shooters, photographers, filmmakers.
A distinguishing feature of the UM4 model is the fast charging mode for a single rechargeable battery with a current of up to 1500mA (up to a maximum of 3000mA for four rechargeable batteries in total).
Fast and efficient charging
Nitecore's latest UM4 is a smart charger specifically designed to charge rechargeable batteries quickly, safely and efficiently.
LCD display
Bright and clear LCD display informs the user in real time about the state of the rechargeable batteries, charging time, charge level, applied charging current, voltage and many other information. The UM4 has a power-saving mode, where the screen is dimmed after 3 minutes, and when there is no user interaction, the screen is turned off after 10 minutes. Re-activation is automatic when the button is pressed or the rechargeable battery is replaced.
Smart charging via USB
Using intelligent firmware, the UM4 charger automatically detects the type of rechargeable battery and applies the correct charging mode. The user can change the setting and select the mode of operation of the charger, adapting the charging current to the rechargeable battery you have. UM4 supports many types of cells, min. li-ion/imr/lifep04/ni-cd/ni-mh and popular sizes 18650, 16340, 14500.
Product features
- Up to four batteries can be charged simultaneously
- Powered from a USB port
- Each battery is charged independently
- Input current: DC 5V/2A 12V/1.5A 18W (MAX)
- Output voltage: 4.35V±1% / 4.2V±1% / 3.7V±1% / 1.48V±1%
- Charging current: QC fast charging mode: 1,500mA*1 (MAX), 1,500mA*2 (MAX), 750mA*4 (MAX); Standard mode: 1,500mA*1 (MAX), 1,000mA*2 (MAX), 500mA*4 (MAX)
- Charger compatible with rechargeable batteries: 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, 26650, 26700 and Ni-MH/Ni-Cd: AA, AAA, AAAA, C, D
- Charger optimized for charging IMR batteries
- LCD display shows battery status, charge level, voltage and charging time
- Intelligent battery type recognition system
- Automatically recognizes the type of battery
- Compatible with LiFePO4 batteries
- Compatible with low-capacity batteries
- Automatically stops working when the batteries are charged
- Protection against battery overcharging
- Protection against overheating
- Made of durable ABS plastic
- Protection against reverse polarity
- Power saving mode, LCD display dims after 3 minutes
