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Old Mar 02, 2012, 03:02 PM
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Originally Posted by everydayflyer View Post
IMO a lot of coulda, woulda, shoulda but sorry I did not know it was my job, task,duty.
Charles




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Old Mar 02, 2012, 04:31 PM
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Poland
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Originally Posted by magrinsi View Post
I have open the 106b.
The only bourned components i think is this
You can replace IRF3205.
Take a magnifying glass and/or an ohmmeter and carefully check the gate control resistors.
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Old Mar 02, 2012, 08:42 PM View Post
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Old Mar 02, 2012, 10:00 PM
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Old Mar 05, 2012, 08:38 AM
VOLTS > AMPS
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United States, MN, Buffalo
Joined Jul 2011
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Car battery was dead this morning due to my negligence.

I know ny 306 can charge the battery under pb settings and can output 30amps according to the manual. I would hazard a guess that I can't put the full 30amp into the battery but what current should I aim for? I have seen pb discussion here from time to time but never really paid attention to it.
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Old Mar 05, 2012, 08:49 AM
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Poland
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C/10
E.g., 50Ah battery, 5A current.
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Old Mar 05, 2012, 09:32 AM
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Waterloo, Belgium
Joined Dec 2004
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Quote:
Originally Posted by stgdz View Post
Car battery was dead this morning due to my negligence.

I know ny 306 can charge the battery under pb settings and can output 30amps according to the manual. I would hazard a guess that I can't put the full 30amp into the battery but what current should I aim for? I have seen pb discussion here from time to time but never really paid attention to it.
I use two 65Ah gel batteries in my car to power the iCharger 3010B at the field. Back at home, they are reloaded with the same iCharger 3010B connected to a MeanWell 24V 1000W PSU, using the Pb program. Following the specification on MY batteries, charge current is 0.3*C i.e. 20A (rounded).
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Old Mar 05, 2012, 09:39 AM
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Haralson County GA. USA
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Pb / Lead Acid / car batteries like LIPolys are not all the same.

Capacity / 10 as in a 45 Ah can be charged at 45 / 10 = 4.5amps. is safe for most all.

Many can be charged at C / 3 , some at 1C and some even at 3C .

The WWW is a wonderful source of information where one can fing most every Pb battery size,type and manufactures charging information.

Note a car battery is not 650 Ah s or 850 Ahs . It is most like between 40 and 65Ah . That 650 or 800 os such is Cranking amps . and cold cranking amps. There is a difference and it is an important difference.
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Old Mar 05, 2012, 10:21 AM
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Fourdan's Avatar
Antony (France)
Joined Sep 2003
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LiFe BAL charging on 3010B

Hi
Today the first time I charged a LiFe Zippy pack 3S 1800 mAh with my iC 3010B
(from factory storage charge, new pack)
I made settings 3.6 V LiFe termination
I chose LiFe BAL charging 0.9A
All was done OK but ...
At the end (beep around 2 hours) I got on the screen
Total 10.09V (cells 3.36 + 3.38 + 3.35 V)
My Mastech DMM indicates 10.06V
I am surprised not to get around 3.6V per cell
Any other experience on Zippy LiFe ?

Is it possible that the rate 0.9A was too small (0.5C) and charge was not fully completed ?
Louis
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Old Mar 05, 2012, 10:34 AM
VOLTS > AMPS
stgdz's Avatar
United States, MN, Buffalo
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Quote:
Originally Posted by LeszekJ View Post
C/10
E.g., 50Ah battery, 5A current.
Thanks I should have added that I was going to look on the battery for any instructions but i figured I would ask here before I got home.
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Old Mar 05, 2012, 10:42 AM
Southern Pride
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Haralson County GA. USA
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Quote:
Is it possible that the rate 0.9A was too small (0.5C) and charge was not fully completed ?
Louis
It is more likely that the 1/2C charge created such inbalance that the charger's balancing circuite was unable to keep up.

I would discharge it at around 1C down to 2.5V per cell then check the cells votages and try doing a 1/4C charge and pay attation to the cells inbalance during the charge.

Sometimes LiFePO4 cells require a few cycles to get the cells balanced. Sometimes the quality of some of them is not great. As I have posted numerious time the original A123 Systems LiFePO4 cyclinder cells both the 2300 and the 1100 ones were great. The same can not be said for many of the other brands.

It is possible that you had a time out set which stopped the charge before it was complete. I either disable the time out and the capacity max. limits or set them so high they are never reached.

IMO time out and capacity are only useful for Nicad and NiMH charging in case the charger fails to detect the peak.

Charles
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Old Mar 05, 2012, 04:47 PM
1,1,2,3,5,8,13,21,34
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United States, OR, Portland
Joined Nov 2003
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Quote:
Originally Posted by Fourdan View Post
Hi
Today the first time I charged a LiFe Zippy pack 3S 1800 mAh with my iC 3010B
(from factory storage charge, new pack)
I made settings 3.6 V LiFe termination
I chose LiFe BAL charging 0.9A
All was done OK but ...
At the end (beep around 2 hours) I got on the screen
Total 10.09V (cells 3.36 + 3.38 + 3.35 V)
My Mastech DMM indicates 10.06V
I am surprised not to get around 3.6V per cell
Any other experience on Zippy LiFe ?

Is it possible that the rate 0.9A was too small (0.5C) and charge was not fully completed ?
Louis

Louis the iCharger 306B and 3010B have a charge cut off at 2 hours. You have to disable the 2 hour time limit in the charger to get your full charge, or charge faster .
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Old Mar 05, 2012, 04:54 PM
Southern Pride
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Haralson County GA. USA
Joined Oct 2004
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Quote:
Today the first time I charged a LiFe Zippy pack 3S 1800 mAh with my iC 3010B
(from factory storage charge, new pack)
Which means it should not have taken two hours anyway unless the inbalance was enough to cause the charger to reduce output early in the charge cycle.

FYI I did mention the timeout six hours earlier.

Quote:
It is possible that you had a time out set which stopped the charge before it was complete. I either disable the time out and the capacity max. limits or set them so high they are never reached.

WHo knows perhaps he will report back with his findings.

Some seem to not realize that a LiFePO4 is indeed full at 3.6V. Charging to 3.65 ,3.7 or even 3.85 per cell adds next to no addational capacity and the cells self discharge (settle) to aprox. 3.45 fairly quick.

Charles
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Old Mar 05, 2012, 05:05 PM
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Antony (France)
Joined Sep 2003
2,993 Posts
Hi

I charged again my LiFe Zippy pack 3S
Rapidly (~15 minutes) iC 3010B indicated at the end 3.6V 3.6V 3.6V
After ending and disconnecting, DMM indicates around 3.5V 3.5V 3.5V
Maybe the voltage is rapidly going down (even at no load) from 3.6V to 3.5V

Next time I will try to set LiFe termination at 3.65V

I have also in order some A123 2600 mAh (genuine with tabs) from HobbyKing, I will see, in 3 weeks, if there is a voltage difference.
Louis
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Old Mar 05, 2012, 05:23 PM
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Haralson County GA. USA
Joined Oct 2004
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Here is link to my LiFePO4 charging thread from years ago. It has a lot od graphs and data showing resting and charged to voltages.

http://www.rcgroups.com/forums/showthread.php?t=603368
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