Nitecore UM10 operation manual

The New Benchmark in Intelligent Chargers

®

UM10

User Manual

USB Management and Charging System

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

• Intelligently selects charging current based on battery capacity

• Features rear USB cable winder and grooves to accommodate 2.5mm/3.0mm USB cables

• 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.

Specifications

Input voltage: Micro USB DC 5V
Output voltage: 4.2V ±1% / 5V
Input current:

Output current: 1000mA / 500mA
Compatible with:
Li-ion / IMR: 18650, 18490, 18350, 17670, 17500, 16340(RCR123), 14500, 10440
Dimensions: 3.94”×1.50”×1.38” (100mm× 38mm×35mm)
Weight: 2.01oz (57 gram)(without battery or power cord)

≥500mA

Standard Function

1. Connecting: Unwind the USB cable, lift the rear panel and draw out the cable as instructed. Plug one

end of the included USB cable to the UM10’s input port and the other end to a power supply (adapter, PC

or other standard USB output port). Upon powering up, the UM10’s LCD will display the power level

indicator (hollow) and battery percentage (0%).

2. Inserting Battery: Insert a battery as instructed. An incorrectly inserted battery will prevent the UM10 from

functioning.

3. Battery Test: After battery installation, the UM10 will run a quick battery test before charging. If a problem

is detected (for example the battery is installed backwards), the UM10 will terminate the charging

process and stay in standby mode to notify the user.

4. Charging: During the charging process, charging current will adjust automatically based on the detected

battery type, power level and internal battery resistance. For example, when charging batteries of smaller

capacities such as 14500 and 16340, charging current will automatically be set to 500mA, ensuring safe

use and preserving battery longevity.

5. Charging Progress: The UM10 will indicate battery status and charging progress. When the battery is

fully charged, 5 power level indicator bars and “100%” will illuminate steadily on the LCD display.

Advanced Functions

USB Output Charging

1. As illustrated, lift the rear panel and plug an USB cable to the

charging port underneath.

2. Connect the other terminal of the USB cable with an external
device that needs to be powered / recharged. （ ）will start

flashing on the LCD to indicate the UM10 is connected with a
USB cable. After the device is fully charged, the（ ）icon

stops flashing and remains on constantly.

Priority Mode

When there is a power deficit for the UM10 to charge both the battery and USB device simultaneously, the
UM10 will prioritize the charging of the battery or the device following the user’s preference.
When the top switch is set to BATTERY, battery priority mode will be activated. In this mode, the UM10 will
charge the battery first. When the battery is fully charged or removed, the UM10 will then charge / power
the USB device automatically.
When the top switch is set to USB, USB priority mode will be activated. In this mode, the UM10 will charge /
power the USB device first. When the USB device is fully charged or disconnected, the UM10 will charge
the battery automatically.
NOTE: A small electrical current will keep passing through to the external device connected to maintain the
device in its full power state when it is charged.

temperature is -20 to 60°C.

4. Do not use the charger to charge other unspecified batteries as they may leak or burst, causing
personal injury and damage.

5. Observe polarity diagrams located on the charger. Always place the battery cells with positive tip
facing the top.

6. Never leave the charger unattended when it is connected to power. If any malfunction is found,
terminate the process at once and refer to the operation manual.

7. The charger is for use of adults above 18 years old. Children under this age must be supervised by
an adult when using the charger.

8. Please make sure the correct program and settings are chosen and set. Incorrect program or setting
may damage the charger or cause fire or explosion.

9. Never attempt to charge primary cells such as Alkaline, Zinc-Carbon, Lithium, CR123A, CR2, or any
other unsupported chemistry due to risk of explosion and fire.

10. Do not charge a damaged IMR battery as doing so may lead to charger short-circuit or even
explosion.

11. Never charge or discharge any battery having evidence of leakage, expansion/swelling, damaged
outer wrapper or case, color-change or distortion.

12. Do not expose the device to direct sunlight, heating devices, open flames; avoid extreme high or
extreme low ambient temperatures and sudden temperature changes.

13. Please operate the charger in a well-ventilated area. Do not operate or store it in damp area. Keep
all the inflammable volatile substances away from operating area.

14. Avoid mechanical vibration or shock as these may cause damage to the device.

15. Do not short-circuit slots or other parts of the device. Do not allow metal wires or other conductive
material into the charger.

16. Do not touch hot surfaces. The rechargeable batteries or the device may become hot at full load or
high power charging/discharging.

17. Do not overcharge or over discharge batteries. Recharge drained batteries as soon as possible.

18. Remove all batteries and unplug the charging unit from the power source when not in use.

19. Opening, disassembling, modifying, tampering with the unit may invalidate its guarantee, check
warranty terms.

20. Do not misuse in any way. Use for intended purpose and function only.

Disclaimer

This product is globally insured by Ping An Insurance (Group) Company of China, Ltd. Nitecore shall not be

held responsible or liable for any loss, damage or claim of any kind incurred as a result of the failure to
obey the instructions provided in this user manual.

Warranty Details

Our authorized dealers and distributors are responsible for warranty service. Should any problem covered
under warranty occurs, customers can contact their dealers or distributors in regards to their warranty
claims, as long as the product was purchased from an authorized dealer or distributor. NITECORE’s
Warranty is provided only for products purchased from an authorized source. This applies to all NITECORE
products.
Any DOA / defective product can be exchanged for a replacement through a local distributor/dealer within
the 15 days of purchase. After 15 days, all defective / malfunctioning NITECORE® products can be repaired
free of charge for a period of 12 months (1 year) from the date of purchase.
Beyond 12 months (1 year), a limited warranty applies, covering the cost of labor and maintenance, but not
the cost of accessories or replacement parts.
The warranty is nullified if the product(s) is/are

1. broken down, reconstructed and/or modified by unauthorized parties

2. damaged from wrong operations (i.e. reverse polarity installation, installation of non-rechargeable batteries), or

3. damaged by batteries leakage.
For the latest information on NITECORE® products and services, please contact a local NITECORE®
distributor or send an email to [e-mail].

※All images, text and statements specified herein this user manual are for reference purpose only. Should
any discrepancy occurs between this manual and information specified on www.nitecore.com, information on
our official website shall prevail. Sysmax Industry Co., Ltd. reserves the rights to interpret and amend the
content of this document at any time without prior notice.

Validation code and QR code on package can be verified on Nitecore website.

Please find us on facebook:

SYSMAX Industry Co., Ltd.

TEL: [phone]
FAX: [phone]
E-mail: [e-mail]
Web: www.nitecore.com
Address： Rm1401-03, Glorious Tower, 850 East Dongfeng Road,
Guangzhou, China 510600
Manufacturer: SYSMAX Power Technology, LLC
Address： B4 Happy Factory, 81 East Huahong Commercial Street,
North Zhenxing Road, Gaobu, Dongguan, China

NITECORE Flashlights

20160623

Battery Activation

The UM10 is capable of activating over discharged protected Li-ion batteries. After battery installation, the
UM10 will test and activate the batteries before charging. Batteries detected as damaged cannot be
activated by the UM10 and “EE” will be displayed on the LCD to indicate an error.
NOTE: Nitecore does not recommend charging zero volt (0V) (over discharged) unprotected Li-ion batteries
with the UM10 and doing so can result in battery leakage fire, or explosion.

Precautions

1. Nitecore recommends using only quality USB adapters with the UM10. Using poor quality adaptors may
result in the LCD displaying “EE” to indicate an error.

2. The charger is restricted to charging Li-ion, IMR rechargeable batteries only. Never use the charger with
other types of batteries as this could result in battery explosion, cracking or leaking, causing property
damage and/or personal injury.

3. The safe operation temperature for the charger is between -10 to 40°C, and the safe storage

Worldwide Warranty Service

Model number

Date of purchase

This is the certificate of authenticity of this item and we confirm that it has been subjected to the most
exacting quality controls by SYSMAX lndustry Co.,Ltd.

NOTE: Please ensure this warranty card is fully completed by the distributor or retailer after purchasing the
product. Should the product fail to operate correctly during the warranty period, it may be returned with the
completed warranty card and original sales receipt to the retailer or local distributor for replacement or repair.

Serial number

Store Stamp