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dr_frost_dk is offline dr_frost_dk
2011-03-02 , 13:07
Posts: 1,503 | Thanked: 2,688 times | Joined on Oct 2010 @ Denmark
#271
Originally Posted by Storm_11 View Post
ah ok that makes more sense then. Are you able to operate the phone whilst it is charging?

edit: lipo charger? The same as a li-ion charger thats commonly available for the n900?
Yes i can operate it when charging, and the wire is less in the way then the USB normally is.

No the chargers i normally use can take all kinds of battery's, depending on what model im using.

Here is a picure of 2x DX things combined to make a simple (not very fast) charger.

Car Charger for Nokia 2.0mm Cell Phones
Single 18650/17670 Lithium Battery Charger (1A Charging Current)

=

Name: DX modified charger.jpg Views: 2257 Size: 43.4 KB
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N900 @ 850MHz (LV) & 3044mAh Battery
Battery Tests and Battery Mod / Homemade 3000mAh XL Battery - (DONATE)
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N900 DIY Micro Amplifier, turn your N900 into a home stereo
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shadowjk is offline shadowjk
2011-03-02 , 21:23
Posts: 1,258 | Thanked: 672 times | Joined on Mar 2009
#272
The included N900 "charger" is a power supply only. It outputs 5V. Any "charger" that connects to the MicroUSB port is a power supply. Also "chargers" that connect to 2mm port on older Nokia phones are power supplies.

It is important to never connect power supplies directly to batteries.

As you can see from dr_frost's picture, he has taken the cable from a car charger, and connected it to the output of a Li-Ion charger. A real charger, since you can see it's a cradle designed to connect directly to 18650 Li-Ion batteries.

Again, never ever connect power supplies directly to batteries. It can result in what the industry calls "venting with flame", or what normal people would call "explosion".
 

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dr_frost_dk is offline dr_frost_dk
2011-03-03 , 18:31
Posts: 1,503 | Thanked: 2,688 times | Joined on Oct 2010 @ Denmark
#273
UPDATE: 1350mAh Rechargeable Lithium Ion Battery BL-5J has been removed from the list, they couldn't get it apparently.

But anyway the 1420mAh is in transit and will hopefully arrive soon. Would be cool to get even more capacity then the japod even if it is only 50mAh, still 100mAh when in dual config.
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N900 @ 850MHz (LV) & 3044mAh Battery
Battery Tests and Battery Mod / Homemade 3000mAh XL Battery - (DONATE)
Custom Brightness & No Light Sensor
N900 DIY Micro Amplifier, turn your N900 into a home stereo
Fix you USB before and after it breaks
Feel free to contact me through PM, Skype or G.Talk
 

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dr_frost_dk is offline dr_frost_dk
2011-03-03 , 20:36
Posts: 1,503 | Thanked: 2,688 times | Joined on Oct 2010 @ Denmark
#274
After talking to 'Julianrome' about his experience with 2250mAh Capacity BL-5J Battery For Nokia 5800 N900 C3 i have decided to add it to the list, it is bought and waiting for delivery.
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N900 @ 850MHz (LV) & 3044mAh Battery
Battery Tests and Battery Mod / Homemade 3000mAh XL Battery - (DONATE)
Custom Brightness & No Light Sensor
N900 DIY Micro Amplifier, turn your N900 into a home stereo
Fix you USB before and after it breaks
Feel free to contact me through PM, Skype or G.Talk
 

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Tinukedaya is offline Tinukedaya
2011-03-04 , 17:56
Posts: 105 | Thanked: 73 times | Joined on Jan 2011
#275
Hmm. The battery meter widget is kinda messy for me.

it shows 2585.7% and 34.058V right now...
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dr_frost_dk's Avatar
dr_frost_dk is offline dr_frost_dk
2011-03-04 , 19:32
Posts: 1,503 | Thanked: 2,688 times | Joined on Oct 2010 @ Denmark
#276
Originally Posted by Tinukedaya View Post
Hmm. The battery meter widget is kinda messy for me.

it shows 2585.7% and 34.058V right now...
the fix is here http://talk.maemo.org/showthread.php?t=70590
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N900 @ 850MHz (LV) & 3044mAh Battery
Battery Tests and Battery Mod / Homemade 3000mAh XL Battery - (DONATE)
Custom Brightness & No Light Sensor
N900 DIY Micro Amplifier, turn your N900 into a home stereo
Fix you USB before and after it breaks
Feel free to contact me through PM, Skype or G.Talk
 

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Tinukedaya is offline Tinukedaya
2011-03-04 , 21:13
Posts: 105 | Thanked: 73 times | Joined on Jan 2011
#277
Thanks, that solve it, now to rework it to fit my theme... Althought it means no temperature reading. No big deal. It wasn't too accurate anyway.
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dr_frost_dk is offline dr_frost_dk
2011-03-05 , 15:35
Posts: 1,503 | Thanked: 2,688 times | Joined on Oct 2010 @ Denmark
#278
scud battery has been tested

page #1, post #1 for results

all i can say is that MOD 4 will soon be made
and i was wrong about the about 1400mAh limit of the BL-5J size
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N900 @ 850MHz (LV) & 3044mAh Battery
Battery Tests and Battery Mod / Homemade 3000mAh XL Battery - (DONATE)
Custom Brightness & No Light Sensor
N900 DIY Micro Amplifier, turn your N900 into a home stereo
Fix you USB before and after it breaks
Feel free to contact me through PM, Skype or G.Talk
Last edited by dr_frost_dk; 2011-03-05 at 16:05.
 

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dr_frost_dk is offline dr_frost_dk
2011-03-05 , 23:44
Posts: 1,503 | Thanked: 2,688 times | Joined on Oct 2010 @ Denmark
#279
Dual Scud battery tested

- 3044 mAh -
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N900 @ 850MHz (LV) & 3044mAh Battery
Battery Tests and Battery Mod / Homemade 3000mAh XL Battery - (DONATE)
Custom Brightness & No Light Sensor
N900 DIY Micro Amplifier, turn your N900 into a home stereo
Fix you USB before and after it breaks
Feel free to contact me through PM, Skype or G.Talk
Last edited by dr_frost_dk; 2011-03-06 at 01:08.
 

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Storm_11 is offline Storm_11
2011-03-06 , 01:19
Posts: 183 | Thanked: 98 times | Joined on Mar 2011 @ Brisbane, Australia
#280
Originally Posted by dr_frost_dk View Post
Yes i can operate it when charging, and the wire is less in the way then the USB normally is.

No the chargers i normally use can take all kinds of battery's, depending on what model im using.

Here is a picure of 2x DX things combined to make a simple (not very fast) charger.

Car Charger for Nokia 2.0mm Cell Phones
Single 18650/17670 Lithium Battery Charger (1A Charging Current)

=

Attachment 18191
I have one of these:

http://www.hollyhockbatteries.com.au/CX4000PRO.html

Rated voltages are: 3.6v and 7.2v for lithium batteries
1200mA max. charge current

I use it to charge the battery only. Although its not 4.2v, would it still be suitable, if I hook the +'s and -'s from the charger to the points you specified?
 
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