Test / Review: Panasonic NCR18650B 3400mAh (Green)

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@ri chevy

In a good, reputable charger, the unprotected Panasonic NCR18650B cells shown in the 1st post will also stop at or around 4.2v’s. The protection circuit just cuts out when the voltage gets to low in the cell from usage, not necessarily from charging, or overcharging. I have several of these cells, and they are excellent! Better than most other cells. When using them, you just have to be very disciplined and be on the lookout for the 1st significant dip in output on the drop in, and then stop and recharge immediately. Most good, reputable drop ins have a protection circuit built in that will stop the output of the light when voltage is too low.

I don’t think mine is reputable charger. It only said Video/Camera Digital Travel Charger.

Input : 100-240V max 150mA
Output 4.2V

How long usually it takes to full charged it ?

I’m already charged for 7 hours and still charging… Is it Normal ?

Thanks.