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Nitecore Intellicharger I4 Review

The Nitecore Intellicharger I4 is a SmartCharger for lithium ion, NiMH, and NiCd rechargeable batteries. But it can also charge 18650, 26650, 22650, 17670, 18490, 17500, 17335, 16340(RCR123), 14500, 10440, AA, AAA, and C size rechargeable batteries.

As you can see below, it comes in a very nice package. For about $20, it also makes a great gift for gadget lovers.

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Content (Unboxing)

The package comes with the charger, the power cord, and instruction manual (see photo below).

The photo below shows the specification sticker on the bottom of the charger. The specification sticker doesn't show that it can charge NiCd batteries. However, the product description, the instruction manual, and its official product web page all claim that it can charge NiCd rechargeable batteries.

The instruction manual claims that the Nitecore Intelligcharger I4 can provide charging current that exceeds the specification for AAA NiMH/NiCd and 10440 Li-Ion batteries. Therefore, it recommends charging these types of batteries two or four at a time. In addition, when charging two of them at the same time, be sure to "always place them in either slot 1 and 3 or slot 2 and 4".

Based on that warning, it seems that the charger shares its charging current among all of the batteries that are inserted into the device. Therefore, it will likely charge a single battery cell faster than charging four battery cells at the same time.

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Operation

After plugging the Nitecore Intelligcharger I4 into the AC outlet, a blue light blinks, indicating that it is receiving power (see photo below).

Once the batteries are inserted, the power level of each battery is indicated as shown in the photo below. As the batteries charge, the indicators will increase in level.

When the batteries are fully charged, the indicators show full charge with three LED's (see photo below).

I tried charging four 18650 3.6v 2200mAh lithium ion rechargeable batteries. It took several hours, but they all successfully charged to full capacity.

I wish the charger is a little longer. The 18650 batteries are rather long, leaving very little finger room at the bottom of the charge. With 18650 batteries, you pretty much have to use the battery itself to push the spring-loaded contacts.

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