Nitecore UM2 Intelligent USB Dual-Slot Charger

The Nitecore UM2 Intelligent USB Dual-Slot Charger is an efficient charger for high-drain vape battery cells of various capacities and sizes (18650 / 20700 / 21700 / 26650) alongside automatic type detection, various inputs, and new restoration mode. The special Restoration Mode that can potentially revive overdrawn or drained Li-ion batteries, extending the life of the batteries. With up to 1500mAh charging speed per slot, the Nitecore UM2 has two bays to automatically detect Li-ion, IMR, Ni-MH, and other various battery types and apply the proper charging settings optimal to maintaining battery health. Furthermore, the Nitecore UM2 has a slew of internal protections to guard against failing or damaging the batteries while also maintaining optimal heat dissipation from the durable and flame retardant PC chassis.

Nitecore UM2 Intelligent USB Dual-Slot Charger Features:

• Dimensions - 152mm by 73mm by 40mm
• Weight - 148.3g
• Made from Fire Retardant PC Material
• 2-Bay Battery Charger
• Independently Charging and Monitoring
• Manual Battery Charging Settings Available
• LCD Display Screen
• Intuitive Battery Life LED Indicator Light
• Two Button Design
• Automatic Selection Between Three Charging Modes
• Constant Circuit and Constant Voltage Charging Modes
• Standard Mode: 2000mAh Max Output
• QC Mode: 3000mAh Max Output
• 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

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.
• Please do not short circuit or it will release massive current.
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