The NEW i4 has a revival function designed specifically to revive over-discharged IMR batteries, an over-discharged IMR battery is indicated by the four flashing LED
indicators above the particular slot the battery is placed in, holding down both C and V buttons until the bottom indicator starts flashing to enable the battery recovery
process. IMR batteries that have been severely over-discharged may not be recovered successfully.
Caution: Do NOT enter battery recovery mode when the battery is inserted backward, it may cause fire and explosion.
Overcharging Timeout Protection
The NEW i4 monitors each slot individually and keeps records of the charging duration for each battery. The charger automatically terminates the charging process for
any particular battery that has been in the charging process for 20 hours but is not fully charged, and the charging indicators will show full power status. This is designed
to eliminate overcharge, overheating, and explosion concerns arising from battery duality issues.
Precautions
1. The charger is restricted to charging Li-ion, IMR, LiFePO4, Ni-MH/Ni-Cd 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.
2. The safe operating temperature for the charger is between -10-40°C, and the safe storage temperature is -20-60°C.
3. Please charge batteries in accordance with the specifications on the Do not charge a battery pack with the charger.
4. Observe polarity diagrams located on the charger. Always place the battery cells with a positive tip facing the top.
5. Do not leave a working charger unattended. If any malfunction is found, please terminate operation immediately, and tum to the user manual for instruction.
6. The charger is designed for adults. Use of the charger by kids under age must be under Operation, using or cleaning of the charger may NOT be done by kids aged
8 years or younger.
7. Please make sure the correct program and settings are chosen and Incorrect programs or settings may damage the charger, or cause fire or explosion.
8. 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
9. Do not charge a damaged IMR battery as doing so may lead to charger short-circuit or even explosion.
10. Never charge or discharge any battery having evidence of leakage, expansion/swelling, damaged outer wrapper or case, color-change or
11. Use the original adapter and cord for the power supply. To reduce the risk of damage to the power cord, always pull by connector rather than the cord. Do not
operate the charger if it appears damaged in any
12. DO NOT store or use the product in an environment where the temperature is extremely high / low or changes rapidly, or in a confined area with a high
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
15. Do not short-circuit slots or other parts of the device. Do not allow metal wires or other conductive material into the
16. Do not touch hot 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 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. 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. reserve 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 service@nitecore.com. * All images,
text, and statements specified herein in this user manual is 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. 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 for voltage control. Charging Li-ion batteries with electric voltage beyond safety standards can lead to battery
damage and explosion.
(1) 4.2V Li-ion Batteries/ IMR Batteries
4.2V Li-ion batteries are the most common rechargeable Lithium batteries. The skins of these batteries are often marked with 3.6V/3.7V 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.
(2)4.35V U-ion Batteries
4.3W 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 4.35V power. When charging this type of battery, please manually set the charging voltage to 4.3W, otherwise, the charger will charge at 4.2V by default,
and cannot provide adequate charging voltage.
(3) 7V LiFePO4 Batteries
3.7V 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 voltage 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
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