The Nitecore UM20 has the ability to charge Li-ion and IMR cylindrical rechargeable batteries. There are two charging slots that allow monitoring and charging the batteries independently.

The LCD screen displays the process and battery level at real-time.

With the USB output, you can charge your phone and battery at the same time. It is a great battery charger if you are on-the-go. To keep everything organize, there is a USB cable winder.

For more amazing features and on how to use, be sure to check out the user manual

Specifications:

Input voltage: Micro USB DC 5V
Output voltage: 4.2V ±1% / 5V
Output current: 1000mA / 500mA
Compatible with:
Li-ion / IMR: 18650, 18490, 18350, 17670, 17500, 16340(RCR123), 14500, 10440
Dimensions: 100mm × 56mm × 35mm
Weight: 77.2 g (without batteries or power cord)

Nitecore UM20 Battery Charger Features:

USB powered Li-ion battery charger
High definition LCD displays real time charging status
Features USB output charging
Integrated intelligent power management system
Intelligently detects input power
Intelligently distributes charging power
Priority Mode offers either battery or USB charging
Enables data transfer via USB
Features optimized charging program for IMR batteries
Intelligently selects charging current based on battery capacity
Features rear USB cable winder
Constructed from fire retardant materials
Features reverse polarity protection
Designed for optimal heat dissipation
Certified by RoHS, CE, FCC and CEC
Insured worldwide by Ping An Insurance (Group) Company of China, Ltd.

Package comes with:

1x Nitecore UM20 Battery Charger
1x USB Charger Cord

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.
Do not play with fire! Do not dispose any kind of battery in or near any fire.
Do not stack more than one battery as it may potentially blowout and cause serious damage to yourself and place.
Always check battery’s condition to see if there are signs of wear and tear. If there is, please dispose the battery.
Do not dispose batteries into the trash as it is against the state’s laws.

Note: There is always an inherent risk when using any rechargeable batteries at anytime and under any circumstances. ElementVape.com and any of ElementVape.com’s parent and subsidiary companies are not held responsible for any damage for any modification of the batteries, chargers, devices and other products that we carry in any form or shape, this is including pack making.

When working with Li-ion (Lithium-ion), LiPo (Lithium-ion Polymer) and any rechargeable cells, please be cautious and carefully use as they are very sensitive to charging characteristics and may explode or burn if mishandled. Please make sure that you have great knowledge on all rechargeable batteries before you use them. Always charge batteries at the clean and fire-proof surface. Never leave charging batteries unattended. If you see that there are visible damages on the batteries, please do not use. Always keep, store and transport the rechargeable cells in a safe, non-conductive container in controlled environment.

Do not use any rechargeable battery as well as any battery charger if any visible damage is present, as well as if the cell or charger has been stressed through mishandling, accidental or otherwise, even if damage may not be visible. Always store and transport rechargeable cells in a safe, non-conductive container in a controlled environment. Please dispose battery cells, chargers or any other electronic devices in accordance of local laws and mandates.

Chargers

Nitecore Digi D2

$ 18.16

Nitecore UM20 2 Bay

$ 17.46

Aspire USB Charger

$ 5.57

Nitecore Digi D4

$ 25.16