Warranty Details
Our authorized dealers and distributors are responsible for warranty service. Should any problem covered under warranty occur, 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. To
be qualified for a warranty, please refer to the “IMPORTANT WARRANTY NOTICE” section on top to validate your product.
Any DOA / defective product can be exchanged for a replacement through a local distributor/dealer within 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 failure to obey the warnings)
3. damaged by batteries leakage.
For the latest information on NITECORV products and services, please contact a local NITECORV distributor or send an email to
service@nitecore.com.
* All images, text and statements specified herein this user manual are for reference purposes only. Should any discrepancy occur between this
manual and information specified on www.nitecore.com, information on our official website shall prevail. SYSMEX Innovations Co., Ltd. reserves
the right to interpret and amend the content of this document at any time without prior notice.
Safety Instruction for Lithium-ion Batteries
1. Charging Voltage
Lithium-ion (Li-ion) batteries have strict requirements on voltage control. Charging Li-ion batteries with electric voltage beyond safety standards can
lead to battery damage and explosion.
7V U-ion Batteries / IMR Batteries
3.7V U-ion batteries are the most common rechargeable Lithium batteries. The skins of these batteries are often marked with 3.6V/3.N signs. If our
chargers judge that an inserted battery is a U-ion battery, the battery will be automatically charged in 4.2V standard charging mode. You do not need
extra voltage settings for these types of batteries.
8V Li-ion Batteries
3.8V Li-ion batteries are comparatively rare. It usually has a 3.7V mark on its skin. Normally its seller will inform its buyer that it needs to be charged
with 4.3W power. When charging this type of battery, please manually set the charging voltage to 4.3V, otherwise, the charger will charge at 4.2V by
default, and cannot provide adequate charging voltage.
2V LiFePO4 Batteries
3.2V LiFePO4 batteries have LiFePO4 and/or 3.2V marks on the skin. Be careful with this type of battery. Without manual setting, our chargers will
charge this type of battery with 4.2V and will damage or even explode the battery with excessive charging voltage. You need to manually set the
charging voltage to 3.7V for safe charging.
2. Charging Current
For all rechargeable Lithium batteries (including Li-ion, IMR and LiFePO4 batteries), we suggest not using current larger than 1C* for charging. For
small-capacity batteries, the charging current must be smaller than 1C.
* C=Capacity of a battery. For example, 1C in a 2600mAh rechargeable Lithium battery is 2.6k 1C in a 3400mAh rechargeable Lithium battery is
3.4A.
Excessively large charging current will lead to a great amount of heat, and consequently battery damage and explosion.
Warning: Our chargers automatically judge and select charging current by the batteries’ length. For some long but small capacity batteries
(i.e. 12650, 13650, 14650, 16650), please manually set the appropriate charging current (smaller than 1C).
3. Precautions
DO NOT short circuit the battery in any way.
DO NOT use a 3.7V/3.8V Lithium battery when its voltage is lower than 2.8V, otherwise, it can be over-discharged, and/or prone to an explosion
at the next charging.
We strongly recommend batteries with protective For batteries without protective circuits (such as IMR batteries), please stay alert for over-
discharge and short circuits.
DO NOT discharge a battery with a discharging current larger than its maximum rated
4. Long-term Storage
The best storage voltage for 3.7V/3.8V rechargeable Lithium batteries is 3.7V. Voltage too low or too high can damage your battery during storage.
You can discharge a battery to 3.7V, or charge it to 3.7V in a charger before you keep it in long-term storage.
The validation code and QR code on the package can be verified on the NITECORE website.
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