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SYSMAX Industry Co.,Ltd.

Rm 1407-08, Glorious Tower,

850 Dongfeng Road East,

Yuexiu District, Guangzhou, Guangdong,

China 510600

Tel: +86 20 83862000

Fax: +86 20 83882723

E-mail: [email protected]

Operation Manual

The Intellicharge i4 is a universal, automatic smart-charger 
compatible with almost all types of rechargeable batteries thus 
eliminating the need to own several chargers. The i4 is able to 
automatically identify Li-ion, Ni-MH and Ni-Cd rechargeable 
batteries and apply an appropriate charging mode (Constant 
Charge Current (CC), Constant Charge Voltage (CV) and 
Trickle Charge). Each of the i4 has four  
microcomputer-controlled charging slots which are capable of 
monitoring and charging the same type of batteries.  
Additionally, yellow and blue power/charging status indicator 
lights could visibly indicate battery status and charging process. 
i4: The all-new highly advanced smart charger. It’s as simple as 
insert, detect, and charge.

Features:

·

Capable of charging 4 batteries simultaneously

·

Automatically identifies Li-ion, Ni-MH and Ni-Cd rechargeable 

batteries

·

Features three charging modes (CC, CV and Trickle Charge)

·

Automatically detects battery status and selects the 

appropriate voltage and charge mode

·

3 Color LED displays charging progress for each battery

·

Automatically stops charging when complete

·

Features reverse polarity protection

·

Designed for optimal heat dissipation

·

Certified by both RoHS and CE

Specifications:

Input voltage: AC 110~220V 50/60HZ or DC 12V
Input power: 10W
Output voltage: 4.2V ±1% / 1.4V ±1%
Output current: 500mA × 4 / 1000mA × 2 
Dimensions: 139mm × 96mm × 36mm
Weight: 156g (without batteries and power cord)
Compatible with: 
Li-ion: 26650, 22650, 18650, 17670, 18490, 17500, 17335, 

16340(RCR123), 14500, 10440

Ni-MH / Ni-CD: AA, AAA, A, SC, C 

Operating instructions:

1. Plug one end of the power cord or car charger adapter to the 

charger’s power input. Plug the opposite end of the cord into 
a wall outlet or the cigarette lighter receptacle in your vehicle. 
The blue power light and all yellow power indicators will 
illuminate as the charger runs a quick self-test. The yellow 
power indicators will turn off automatically once testing has 
completed.

2. The i4 features four charging slots, with each slot able to 

charge the same type of batteries with different sizes.

 Note: 

The i4 is capable of charging one to four 3.7v Li-ion 

rechargeable cells together, OR one to four 1.2V, 
Ni-MH/Ni-Cd rechargeable batteries together only. See above 
for description of battery sizes.

3. When inserting a battery ensure the positive and negative 

ends correspond with the positive (+) and negative (-) 
symbols on the charger. Incorrectly inserting the batteries will 
result in the reverse polarity circuit being activated causing 
the charge status lights to blink rapidly. Should this occur 
reposition the batteries to the correct polarity.

4. When charging batteries, three yellow power indicators in 

each slot will display battery status and blink. When charging 
is complete the three yellow power indicators will illuminate 
steadily without blinking. 

 Note:

 

 When four batteries are charged at the same time, 

each charging slot will receive a maximum output current of 
500mA. When one or two batteries are charged, each slot will 
receive a maximum output current of 1000mA. 

Precautions:

1.   When used at 110V, do not charge four Li-ion rechargeable 

batteries simultaneously.

2.  The i4 charger cannot identify the battery capacity itself. So 

when charging one single 10440 Li-ion battery or AAA 
rechargeable battery, the i4 still emits about 1A current for 
charging, causing the battery to become hot. 

 Therefore

  - Please do not use the i4 to charge one single 10440 Li-ion 

or one single AAA rechargeable battery.

  - When charging two 10440 Li-ion or two AAA rechargeable 

batteries, please set them in slot 1 and 3 or slot 2 and 4.”

3.  Please do not use the i4 to charge different types of 

batteries (Ni-MH/Ni-Cd or Li-ion) simultaneously. 

4.   This charger is compatible with different battery types of 

different lengths. Push the slider back towards the negative 
end when placing a longer battery, for example, an 18650 
Li-ion rechargeable battery.

5.   When charging different types of batteries (for example, 

26650 or AAA), ensure solid contact is made between both 
sides of the battery and the charger’s metal contact points. 

6.   The i4 is restricted to charging Li-ion, Ni-MH and Ni-Cd 

rechargeable batteries only. Never use the i4 for other types 
of batteries as this could result in battery explosion, cracking 
or leaking, causing property damage and/or personal injury.

Intellicharge i4

7.   The i4 should only be used indoors or inside a motor 

vehicle. Do not expose it to water, high humidity, low or high 
ambient temperatures.

8.   Do not disassemble or modify the charger.
9.   Children under the age of 18 should be supervised by an 

adult when using the i4.      

10. The i4’s safe operating temperature is between 0

--40

℃.

                      

11.  Do not use or store the charger near open flames, direct 

sunlight, heating devices or other high-temperature 
environments.

Warranty Service

All products enjoy a warranty service after sale. Any 
malfunctioning products can be exchanged for replacements 
from local distributor/dealer within the first 14 days after receipt 
of the light. This product can enjoy free warranty service within 
18 months from the date of purchase. After 18 months, the 
warranty covers labor cost and maintenance, with the exclusion 
on the cost of accessories or repair parts. 
The warranty is nullified in any of the following situations:
1. The product(s) is/are broken down, reconstructed and/or 

modified under unauthorized conditions.

2. The product(s) is/are damaged through improper use.
3. The product(s) is/are damaged by leakage of batteries.
Details of warranty service, please contact regional 
distributor/dealer or send an email to [email protected]

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