Note: Batteries not included. You can purchase original lithium batteries here.

The Nitecore UM4 is the ultimate solution for users who demand efficient charging for multiple batteries. Equipped with four independent slots and intelligent charging technology, this device optimizes the charge time for Ni-MH, Li-ion, and IMR batteries, offering full safety and detailed monitoring through its built-in LCD screen.

Technical Specifications

• Brand: Nitecore
• Certification: Product certified CE and RoHS.
• Number of slots: 4 independent charging channels.
• Charging current: Up to 3A (smart management).
• Compatibility: Ni-MH, Li-ion and IMR batteries.
• Interface: LCD display with real-time charging data.
• Technology: Automatic current adjustment to protect battery life.

Usage Instructions

1. Connect the charger to a suitable USB power source.
2. Insert the batteries into the slots, observing the polarity indicated on the device.
3. The LCD display will provide accurate data about voltage and charging progress.
4. Remove the batteries as soon as the indicator signals full charge to ensure cell longevity.

If there is anomalous behavior, stop using it and contact our support.

• ELECTRICAL SAFETY NOTICE: Certified with CE and RoHS protections against overload, short circuit and polarity reversal. Never leave batteries charging unattended or on flammable surfaces. For a safe experience, consult our Beginner FAQ.

Contents of the Package

• 1x Nitecore UM4 Charger.