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Old 11-26-2005, 04:08 PM   #1 (permalink)
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Default 8700 vs 7100 batteries (pics)

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I recieved my 8700c today and have been dinking around with it. One of the first things I tried was putting my fully charged 7100 battery in the 8700. They look about the same except the 8700's (C-S2) has squared edges.

From the top


Side shot


I read somewhere that non-blackberry batteries will not work anymore. It appears that even non-8700 blackberry batteries won't work.

Unhappy 8700c
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Old 11-26-2005, 04:11 PM   #2 (permalink)
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Notice the "lock" picture on the 8700 battery too. From what I hear, 8700c batteries have some form of hardware encryption so you could only use certified "approved" batteries.
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Old 11-26-2005, 04:11 PM   #3 (permalink)
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and . . . . ? don't keep us in suspense . . . you turned into a pumpkin?
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Old 11-26-2005, 04:13 PM   #4 (permalink)
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notice that lock icon on your 8700's battery..........that's the culprit. go to the search and type in "new battery" or "cryptographic battery" or "secure battery"

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Old 11-26-2005, 04:17 PM   #5 (permalink)
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Thought it was apparent, the 7100 battery no workie. They were thoughtful enough to allow the unsupported battery to power the unit on to display the bad battery graphic
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Old 11-26-2005, 07:54 PM   #6 (permalink)
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I heard that the 8700 series battery has somesort of security feature in it that the blackberry looks for. The 7100 series batteries don't have these so they will not work in the 8700 series. I also heard that RIM would introduce this to all forthcoming batteries. This was told to me by the agent who sold me my 8700r who said that info was given to him by his RIM rep.
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Old 11-26-2005, 09:07 PM   #7 (permalink)
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Quote:
Originally Posted by harryzuluberries
notice that lock icon on your 8700's battery..........that's the culprit. go to the search and type in "new battery" or "cryptographic battery" or "secure battery"

happy hunting
No, try "smart battery".
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Old 12-05-2005, 03:58 PM   #8 (permalink)
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I just got the 8700c and the battery life is terrible. What can I do, I've tried adjusting the backlight to the min setting but still end up with 2 bars by late afternoon.
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Old 12-05-2005, 04:09 PM   #9 (permalink)
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Will the 8700 battery work in the 7100?

Hayredivah - My 8700 battery is lasting about 4 days with 50-80 emails, 30 minutes talk, 30 minutes IM and 20 minutes browse time a day. I put it to bed at 11pm and it wakes at 7am.

Do you keep it in the holster and does it have a magnet to put it to sleep? Last, you are suppose to drain it completely the first 3-4 charges and then charge it overnight or completely.
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Old 12-05-2005, 04:14 PM   #10 (permalink)
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nb_mitch:

Thank you and I will try draining it, also I may need to set the auto on and off again. The holster does have the sleeper magnet. Thanks again.
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Old 12-05-2005, 04:24 PM   #11 (permalink)
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Everyone...

Don't forget to keep charging beyond 5 power bars. 5 bars exists even at only 80% charge, you need to keep it plugged in for a while longer (i.e. a few hours) after the battery meter hits 5 bars.
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Old 12-05-2005, 04:40 PM   #12 (permalink)
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just took a look at the battery in my new 7130e - it also has a 'lock' symbol on it.

Steve
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Old 12-05-2005, 04:41 PM   #13 (permalink)
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CS-2 batteries should be backwards compatible as far as I know... 8700/7130/7105 all use CS-2 batterys...
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Old 01-21-2006, 03:38 PM   #14 (permalink)
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Default Difference between 7100 and 8700 batteries

Has anyone definitively detemined whether a 7100 battery is OK to use in an 8700? I have checked this thread and the answer is not clear. Some people say no, but the following link advertises the same battery for both models:

http://www.eaccess-estore.com/store/....asp?item=266#

The ad is for a C-S2. I have an unused C-S1. Anyone know what the difference is?
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Old 01-21-2006, 03:44 PM   #15 (permalink)
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MFTP. Reread the ones above. If you look at post 1 above you will see what happens when you insert a 7100 battery into an 8700.
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Old 01-21-2006, 03:47 PM   #16 (permalink)
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Well I am confused because the ad says same battery for both. Maybe the C-S2 works in the 8700 and the 7100, but the CS-1 only works in the 7100.
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Old 01-21-2006, 04:18 PM   #17 (permalink)
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Quote:
Originally Posted by gadgetman
Has anyone definitively detemined whether a 7100 battery is OK to use in an 8700? I have checked this thread and the answer is not clear. Some people say no, but the following link advertises the same battery for both models:

http://www.eaccess-estore.com/store/....asp?item=266#

The ad is for a C-S2. I have an unused C-S1. Anyone know what the difference is?

I can answer the first half of your question, my wife has a 7100t and I have the 8700c, plus I ordered two more batteries from rim C-S2 with the lock symbol and all 4 work in my 8700 and her 7100, I got the stand alone desktop charger too, works great
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Old 01-21-2006, 04:40 PM   #18 (permalink)
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Thanks. That does answer half the question. We now know that the C-S2 works in the 8700 and the 7100, but the CS-1 does not work in the 8700.
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Old 01-23-2006, 10:38 AM   #19 (permalink)
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The 7100i comes with a CS-2 battery, but does not have the lock symbol next to it. Also I do not have a 8700c here to test out the batteries. I assume the "lock batteries" you buy will work with all BB's, since I assume they are not assigned to specific device. No sense making a specific battery like that if you cant sell it.

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Old 03-02-2006, 11:30 AM   #20 (permalink)
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Quote:
Originally Posted by Hayredivah
I just got the 8700c and the battery life is terrible. What can I do, I've tried adjusting the backlight to the min setting but still end up with 2 bars by late afternoon.
I followed the charge to a T and I have horrible life too. About 1 day with 2 hours talk and no emails or text.... Very bad.. Did I get a bad battery? Whats the secret on charging and when you get a brand new battery, what did you guys do to it? Lithiums shouldnt have a memory from what I know, so whats the problem? Thanks.
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