Nitecore UM4 Intelligent USB Four-Slot Charger

The Nitecore UM4 Intelligent USB Four-Slot Charger is an exemplary charger, support various vape battery compositions and sizes (18650 / 20700 / 21700 / 26650) with quick and fast charge that preserves battery health and longevity and a total 3000mAh max charging output. With an included battery restoration mode, the UM4 can detect and revive over-discharged Li-ion and IMR batteries. Built from flame retardant PC materials, the UM4 is a durable and strong charger, delegating 3000mAh charging speeds across the four battery bays either in standard or quick charge mode. Optimized for IMR batteries, this charger is compatible with a slew of power options and can accept power from outlets, power banks, and solar panels. Given the flexibility of this charger, the UM4 is ready for any use and application.

Nitecore UM4 Intelligent USB Four-Slot Charger Features:

• Dimensions - 159mm by 107mm by 41mm
• Weight - 232.6g
• Made from Fire Retardant PC Material
• Intelligent 4-Bay Battery Charger
• Independently Charging and Monitoring
• Manual Battery Charging Settings Available
• LCD Display Screen
• Intuitive Battery Life LED Indicator Light
• Two Button Design
• Battery Health Detection
• Automatic Selection Between Three Charging Modes
• Constant Circuit and Constant Voltage Charging Modes
• Standard Mode: 1500mA*1 MAX, 1000mA*2 (MAX), 500mA*4(MAX)
• QC: 1500mA*1 (MAX), 1000mA*2 (MAX), 750mA*4 (MAX)
• Input: DC 5V/2A 9V/2A 18W (MAX)
• QC 2.0 Input Available
• Output: 4.35±1% / 4.2V±1% / 3.7V±1% / 1.48V±1%
• Over Charge Protection
• Over-Discharged IMR Battery Restoration
• Over-Discharged Li-ion Battery Activation
• Anti-short Circuit
• Reverse Polarity Protection
• Overtime Charging Protection
• Intelligent Temperature Regulation
• Unique Cooling Fins
• Energy Saving Mode
• Supports Li-ion/IMR/LiFePO4 Battery Size: 10440, 14500, 14650, 16500, 16340, 16650, 17350, 17500, 17650, 17670, 17700, 18350, 18490, 18500, 18650, 18700, 20700, 21700, 22500, 22650, 25500, 26650, 26700
• Ni-MH/Ni-Cd: AA, AAA, AAAA, C, D
• Compatible with Car Adapter, USB Adaptor, Power Bank, Solar Panel Input - Not Included
• Certified by RoHS, CE, FCC, and CEC
• Insured worldwide by Ping An Insurance (Group) Company of China, Ltd.

To ensure your safety and maintain the battery’s life and durability, we recommend you follow these rules:

• Do not over-discharge or overcharge the battery. Doing so will shorten the battery’s life and sometimes, it can make it pop or leak.
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