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NP-400 batteries

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mp. View Drop Down
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Post Options Post Options   Quote mp. Quote  Post ReplyReply Direct Link To This Post Topic: NP-400 batteries
    Posted: 09 January 2017 at 17:09
After having my A700 stolen I am going to be using my ancient KM 7D more often for awhile.
But the main problem with that is its old batteries don't hold much charge now or are completely dead.

Dose anyone know of a reliable source to get hold of new NP-400 compatible batteries that haven't been sitting round in a warehouse for years?


 



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Bob J View Drop Down
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Post Options Post Options   Quote Bob J Quote  Post ReplyReply Direct Link To This Post Posted: 09 January 2017 at 18:15
I seem to remember that they were supposed to take a very similar battery to the Pentax K10D... However that is still quite an old model.

You may find that the old batteries get better with use, my understanding is that they should probably only lose 5% per year unless they have been kept in harsh conditions.
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Post Options Post Options   Quote Bob J Quote  Post ReplyReply Direct Link To This Post Posted: 09 January 2017 at 18:18
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mp. View Drop Down
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Post Options Post Options   Quote mp. Quote  Post ReplyReply Direct Link To This Post Posted: 09 January 2017 at 19:43
Thanks thats probably the best I've seen so far. Although its made by 2-Power rather than Duracell.

Its unusual that the same battery ended up being used by 4 different camera manufacturers but that will hopefully help with getting replacements now.
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neilt3 View Drop Down
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Post Options Post Options   Quote neilt3 Quote  Post ReplyReply Direct Link To This Post Posted: 09 January 2017 at 21:40
I still use my Minolta Dynax 7d from time to time .
The batteries I mostly have for it are Minolta ones , still holding a good charge .
They share the same lot of batteries I use in a Minolta DiMage A2 and a Samsung GX20 that I also have .
The Pentax K10d and K20d , as well as the Samsung GX10 and GX20 also use the same battery .

You can get batteries easy enough , Blumax are a good make and you can get them from Premier Ink in the U.K .
Premier Ink website

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http://www.flickr.com/photos/neilt3/
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Post Options Post Options   Quote bharnois Quote  Post ReplyReply Direct Link To This Post Posted: 10 January 2017 at 00:27
The aftermarkets I had both failed but my original that came with my 5D still works quite well. Lots of use too.
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addy landzaat View Drop Down
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Post Options Post Options   Quote addy landzaat Quote  Post ReplyReply Direct Link To This Post Posted: 11 January 2017 at 11:41
Originally posted by mp. mp. wrote:

Its unusual that the same battery ended up being used by 4 different camera manufacturers but that will hopefully help with getting replacements now.
It is not uncommon with P&S cameras, I can use my Ricoh GR battery in Sigma, Leica and Panasonic cameras. These are just off the shelf items.

Two years ago my original NP400's were good enough to do a 10 hour timelapse with my gripped 7D (two batteries), so I guess they still are okay (unless they decayed much in the last two years....).
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mp. View Drop Down
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Post Options Post Options   Quote mp. Quote  Post ReplyReply Direct Link To This Post Posted: 11 January 2017 at 15:28
Thats not so bad.

I had 5 batteries. I still used my 7D occasionally but not as much as my main camera
Over the last 12 years I had 5 batteries. I lost 1, 2 cheap batteries died, the original NP400 stoped charging a few weeks ago, but one better quality aftermarket is still going.
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