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05-22-2015, 04:27 AM   #1
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Cheapo 3rd party replacment for this?

Anyone know where a cheapo version of this is available?

Pentax K-AC115 AC Adapter Kit 38946 B&H Photo Video

05-22-2015, 06:05 AM   #2
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One of the Fuji Finepix adapters is supposed to work. I had it in my Ebay watch list for awhile but unfortunately I have deleted it so I cannot tell you which one. Perhaps you can track it down by checking the specs. The Fujis were around $10-15.
05-22-2015, 01:37 PM   #3
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The only difference between Pentax and other adapters is the place where the wire is connected to it. In consequence when you use non-Pentax adapter you could not close the battery door.
In my copy (cheap no-name adapter) I have simply made hole in the adapter to put out the wire on the right side. And it works.
05-22-2015, 05:51 PM   #4
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QuoteOriginally posted by Mikesul Quote
One of the Fuji Finepix adapters is supposed to work.
I wonder if this might be the one you are thinking of - notice the second reviewer's statement....

Amazon.com : Kapaxen Complete AC Power Adapter Kit (AC-5VX plus CP-50 DC Coupler) for Fujifilm X10, XF1, Real 3D W3, Finepix F80EXR, F85EXR, F800EXR, F770EXR, F775EXR, F750EXR, F660EXR, F665EXR, F600EXR, F605EXR, F550EXR, F505EXR, F500EXR, F300EXR, F

05-22-2015, 05:55 PM   #5
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Yes, that looks like the one I saw. Let us know if it works for you.


05-22-2015, 06:13 PM   #6
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QuoteOriginally posted by Mikesul Quote
Let us know if it works for you.
Will do.
The only thing I'm wondering about is the output of the adapter is 5v DC but the Q's battery is 3.6 volts DC.
But that might be a normal no load rating.

In any case I'll order it and give it a try and let the forum know how it works out.
At 1/5 the price it's worth a try just so long as it doesn't fry the camera.

Addendum- checked up further on this and both the Fuji and Q use the same generic battery (KLIC7004) so I think it's safe to assume it will work electrically ok on the Q as well.

Last edited by wildman; 05-23-2015 at 04:46 AM.
05-22-2015, 10:16 PM   #7
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QuoteOriginally posted by bladawiec Quote
I have simply made hole in the adapter to put out the wire on the right side.
Would you post a picture of your modification?
Must be able to disassemble the battery adapter on the third party one?
Looks like the Pentax one is held together with screws - the same with the cheapo one also?

Pentex and third party one.....

Last edited by wildman; 06-03-2015 at 09:52 AM.
05-23-2015, 08:59 AM   #8
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QuoteOriginally posted by wildman Quote
Would you post a picture of your modification?
Must be able to disassemble the battery adapter on the third party one?
Looks like the Pentax one is held together with screws - the same with the cheapo one also?
My no-name copy is not screwed but simply glued. Inside are only wires. So you can safely open (rise) the wire-side of the adapter.
You can see the photo of my modification.

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05-23-2015, 09:17 AM   #9
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QuoteOriginally posted by bladawiec Quote
My no-name copy is not screwed but simply glued. Inside are only wires. So you can safely open (rise) the wire-side of the adapter.
You can see the photo of my modification.
Thanks for that.
That clarifies everything. Now I know exactly what needs to be done.
So far as I can tell the third party adapter should work with no problems other than the wire modification which looks like no big deal.

Much appreciated.
Wildman
05-29-2015, 12:13 PM   #10
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OK got my 23 buck power supply this morning.
All is well and it works well and was no big deal to convert to the Q.
I did drill a small hole to get a tool into it to gently pry the back end open without breaking it.
Put a piece of tape across the back end just to be sure but it's probably not needed but it does no harm.
It sure beats paying 80 bucks more for the Pentax one.

Last edited by wildman; 06-03-2015 at 09:52 AM.
05-29-2015, 03:01 PM   #11
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QuoteOriginally posted by wildman Quote
Will do.
The only thing I'm wondering about is the output of the adapter is 5v DC but the Q's battery is 3.6 volts DC.
But that might be a normal no load rating.
QuoteOriginally posted by wildman Quote
Would you post a picture of your modification?
Must be able to disassemble the battery adapter on the third party one?
Looks like the Pentax one is held together with screws - the same with the cheapo one also?

Pentex and third party one.....
I notice from your picture that the adapter has only two terminals - it is missing the middle terminal on the battery.

I was thinking about your earlier 5 volt vs 3.6 volt question.
Did you measure the voltage across the two terminals on the adapter to see what it actually provides?
(I was thinking that it might adjust the voltage internally).
05-29-2015, 03:47 PM   #12
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QuoteOriginally posted by reh321 Quote
I notice from your picture that the adapter has only two terminals - it is missing the middle terminal on the battery.
Third one not needed for a AC power supply - see pic....

QuoteOriginally posted by reh321 Quote
I was thinking about your earlier 5 volt vs 3.6 volt question.
Did you measure the voltage across the two terminals on the adapter to see what it actually provides?
(I was thinking that it might adjust the voltage internally).
That's no load output. I measured it under load to the camera and it's 3.8 which is normal.

Anyway everything seems to be good to go so far.

Last edited by wildman; 06-03-2015 at 09:52 AM.
05-29-2015, 04:50 PM   #13
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QuoteOriginally posted by wildman Quote
Third one not needed for a AC power supply - see pic.....
Thank you. I always wondered by all the camera batteries have three terminals, but voltage across two of them always measures 0.
QuoteOriginally posted by wildman Quote
I measured it under load to the camera and it's 3.8 which is normal.
Anyway everything seems to be good to go so far.
Rats!! I was hoping that it had voltage regulation built in so that I could replace the AC source with three AAA batteries to provide an alternative source in case of "emergency" away from 110 power.
05-29-2015, 08:21 PM   #14
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QuoteOriginally posted by reh321 Quote
Rats!! I was hoping that it had voltage regulation built in so that I could replace the AC source with three AAA batteries to provide an alternative source in case of "emergency" away from 110 power.
Easy. Search for "FENLINK variable voltage regulator" on line or in eBay. There's one based on an LM 2596S variable voltage regulator chip that handles up to 30 VDC. About $3-4 each or less in bulk.

I've used 'em for 12 VDC - to USB avionics projects and hope to get around to matching one up with a 9 VDC battery as a portable source for the Q's one day soon. A 9V connector and a wired plug for the adapter connection an' you should be good to go.

I was planning on building the camera adapter but that may be the easy way out.
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05-30-2015, 11:00 PM   #15
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QuoteOriginally posted by pacerr Quote
Easy. Search for "FENLINK variable voltage regulator" on line or in eBay. There's one based on an LM 2596S variable voltage regulator chip that handles up to 30 VDC. About $3-4 each or less in bulk.

I've used 'em for 12 VDC - to USB avionics projects and hope to get around to matching one up with a 9 VDC battery as a portable source for the Q's one day soon. A 9V connector and a wired plug for the adapter connection an' you should be good to go.

I was planning on building the camera adapter but that may be the easy way out.
Hi pacerr, could u elaborate more on your project to step down 9V to say 5V using that voltage regulator? I am thinking a set of AA eneloop to power the Q would be very useful in the field when doing birding for instance....
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