The Nitecore UM20 Battery Charger is a dual battery bay charging system for lithium-ion and IMR rechargeable batteries. The intelligent power management system auto detects the batteries installed, distributing the charging power and selects the appropriate charge current. The Nitecore UM20 Charger also allows output power via a standard USB port, enabling data transfer. The intuitive LCD screen displays the charging status and power for each battery. Filled with safety features such overheat, reverse battery and overcharge protection, the Nitecore UM20 Battery Charger is the ideal choice for compact charging to continue your vaping experience. 

Nitecore UM20 Battery Charger Features:

• Dual Independent Charging Slots
• Separate Spring-Loaded Sliders
• Battery Priority
• USB Priority
• Intelligent Detection Battery Status 
• Detect Current / Voltage
• Trickle Charge Functionality
• Overcharge Protection
• Reverse Battery Protection
• Overheat Protection
• Data Transfer Through External USB Device
• LED Screen Display

Battery Compatibility:

• 18650
• 18490
• 18350
• 17670
• 17500
• 16340
• 14500
• 10440