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01-11-2015, 03:11 AM   #1
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Spare Battery for 645Z

I bought my Pentax 645Z from Japan, and come with one battery - D-LI90P (1860mAh), "P" is the newest version that have 4 contacts, while without "P" is the older version with only three contacts. Now, problem is there is no place to buy a spare D-LI90P in Asia except Japan. I contacted the Japanese seller, he claimed he has, but cannot ship to Hong Kong, as airline will not carry. Then I found in USA - B&H, they only sell a D-LI90(E), so is this (E) version same as the "P" version? When you buy the 645Z in USA or UK, what is the battery comes with it?

All these three versions of battery are 1860mAh, so capacity wise is no different, but suppose the 4th contact will make sure the cascaded battery cells can be fully charged.

01-11-2015, 03:19 AM   #2
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The battery sold by B&H will work with the 645Z / your copy. I'm not 100% sure but I do believe they all have the 4th contact these days.

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01-11-2015, 08:01 AM   #3
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This: Amazon.co.jp? ?? Pentax ?????? D-LI90 D-LI90P ?? ????? K-01 K-3 K-5 K-5II K-5IIs K-7 645D ??: ???????

It's all the same battery.
01-11-2015, 08:47 AM   #4
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I got the battery from B&H for my 645Z, don't know what the box said because I don't have it anymore. But the back have 3 contacts, and space for a 4th with nothing on it. It says D-LI90 and is 1860mAh

01-11-2015, 11:02 AM   #5
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sure would be nice if they had protective covers
01-11-2015, 04:36 PM   #6
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QuoteOriginally posted by Victor Wolansky Quote
I got the battery from B&H for my 645Z, don't know what the box said because I don't have it anymore. But the back have 3 contacts, and space for a 4th with nothing on it. It says D-LI90 and is 1860mAh
The D-LI90 without "P" is the older version, with same capacity, but without the 4th contact. At B&H, they are selling both versions: The no "P" and the "(E)" versions. I just wonder the D-LI90(E) selling at B&H now whether it has the 4th contact or not. My charger have 4 contacts, so it will help fully charge the two cells inside the battery, but will work for the old version battery too.
01-15-2015, 04:21 AM   #7
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Just received the D-LI90(E) battery from B&H, it is the 3 contacts version, not 4 contacts version. In fact, the battery printed with the part number is still D-LI90, there is no (E) on it, only on outside box, it states D-LI90(E), so don't know why there is a (E) version, it seems to replace the original D-LI90. So there seems no place selling the 4 contacts version - D-LI90P, except in Japan!
01-15-2015, 05:06 AM   #8
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I think the (E) version is to comply with EU regulations on high capacity rechargeable batteries. Something to do with reducing fire risk during charging. Therefore it may not be mandatory outside the EU and wasn't mandatory in the EU at the release date of the 645z. I have 3 terminal version that came with my Z in September 2014. It would be interesting to hear from any EU buyers that bought more recently

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