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Lithium Ion battery charger

as per some recommendations regarding the proper battery charger to use with the lithium ion battery on my shutter control, I purchased the the C-TEK lithium ion battery charger. In charging the Dakota lithium battery, the charge would appear fine, but after reaching the pulse (maintenance) level the charger would go to the fault indicator. I assumed that the battery was bad as it has full discharged previously. The battery was actually bad as it became full discharged after raising the shutter.

I then purchased a new lithium battery, hoping that this would solve the problem. After reaching a full charge, the same thing happened, with the charger going to the same fault. C-Tek said it must be a faulty battery and Dakota Lithium was kind enough to provide a replacement battery.

Unfortunately, this did not solve the problem, as the new battery had the same failure. Accordingly, I have a couple of questions.

1) Has anyone else has similar problems with the c-tek battery charger? 2) will the original Black & Decker that came with the shutter damage the lithium battery?

3) there are a number of “bare bones” battery lithium battery chargers from Dakota lithium, Batteries plus Bulbs, etc. each of these are around $30. Are these sufficient? 4) Does anyone have other recommendations.

I still have a warranty question out there with c-tek, but I just want a system that operates properly, with no more dead batteries.

thank you for any responses.

Bill Hansen

15 comments

15 Comments

Russell Stewart

Sep 25, 2021

im having the same issue, ive sent a email to Babak and Eva hopefully I can get this fixed, this is a replacement motor with the beaver card in it, possibly the battery is bad or the NOCO charger is bad , its all new thought it seems to connect and the red and green lights alternates and a blue light flashes, but it only does this for a few minutes and then a small red light stays on, but the red light on the shutter motor is a steady blinking

Russell Stewart

Sep 27, 2021

Replying to

@Steven Green alright today I tested the battery and it was 0.3 vdc so I hit it with another 12vdc battery and it then read 12.96 vdc then I reinstalled the Moto charger, and connected it to the dangles and it went to charge, while it was charging the rotation motor was unresponsive and wouldn’t connect to the computer, plus the manual switch wouldn’t turn the motor, is this proper behaviour when the shutter motor is charging?

so the charge light was on for 5 1/2 hours roughly, but the full green light never went on. just after the charge light went off, I could see the cards red light flickering, im assuming that that means its trying to connect to the rotation unit, it did that for maybe 5 to 10 minutes. but while that was going I noticed the charge light would go on for a split second, and it did this every minute or so, like it was topping off the battery, till the flickering light stopped. now its not doing anything. no green light for on, but im assuming the battery is charged. Im viewing this from a camera I have set up in the dome. so tomorrow after work ill go test out if I can get the whole system to work. the voltage meter should also be delivered tomorrow as well, so ill get that installed. I sure hope I can get it to work, for what the units cost, it should work right out of the box. its a good thing im fairly handy with all this stuff, if one wasn’t handy, they’d be up a creek without a paddle, so the saying goes.