FMA Direct Cell Pro 10 Charger  
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All Forums >> Radios, Batteries, Clubhouse and more >> Batteries & Chargers >> A123Racing Support >> FMA Direct Cell Pro 10 Charger
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FMA Direct Cell Pro 10 Charger - 4/16/2008 12:45:31 AM   
everydayflyer



Posts: 852
Joined: 8/21/2005
From: Buchanan, GA, USA
Status: offline 		For those who do not frequent RC Groups or WattFlyer he is a little data on this latest from FMA.

http://www.fmadirect.com/new_applications/10s_charger.htm

Available in very limited quanties as it keeps going into back orders. Supply chain should be much better in next couple of months ,perhaps sooner.

IMO, it is really more of a 1S-10S charger which can also charge two 1-5S packs at the same time but mostly if they are being used in parallel or series.

Also I feel the 300 watts listed is a bit misleading as it is up to 300 watts input with a 15 volt supply.

It does a great job of dealing with imbalanced batteries and as result posted below indicate it does very well with A123 batteries.

The Firmware is still being tweaked and just keeps getting better and better.

latest Revesions to date

***VERSION 2.01beta 4-2-08*** fixed a memory issue in the 420 point factory tester.

***VERSION 2.02beta 4-2-08*** fixed a PWM issue in the 420 point factory tester.

***VERSION 2.03beta 4-2-08*** fixed a screen refresh issue.

***VERSION 2.04beta 4-5-08*** fixed corrupt cell count check.

***VERSION 2.06beta 4-6-08*** increased compensation for dirty balance connectors when charging with balance wires only.

***VERSION 2.07beta 4-7-08*** added charge rate compensation to the fuel tables. Charging from 1C to 5C gives a more accurate fuel reading.

***VERSION 2.08beta 4-8-08*** improves the charger's ability to read fuel from 1C charge to 5C charge. Uses a recursive fuel adjustment. Fixed a network issue on the PC software.

***VERSION 2.09beta 4-8-08*** makes the charger beep 3 times when a pack reaches 99%. Fixed a LCD refresh delay when choosing amps and chemistry. Adjusted fuel level at the start of the charge.

***VERSION 2.10beta 4-9-08*** fixed a channel 2 fuel issue from V2.09.
***PC SOFTWARE CHANGES***
Added charge optimization status to the charger data files.

***VERSION 2.11 4-9-08*** makes auto amps start at 1.00 Amp. This allows faster auto current calculation.

***VERSION 2.12beta 4-10-08*** trims auto amps to a minimum of 1.5A in A123 Auto Mode.

***VERSION 2.13beta 4-11-08*** Fixed a fuel initialization issue.



Results from this morning

Aircraft my Sig Fazer converted to electric
AXI 2826-12 , APC13X6.5E Suppo 70A ESC ,DE Sports BEC ,18 year old Futuba Rec. and servos (148) originals from when it was Nitro OS.46FX with tuned pipe.
AUW 71 oz. around 625 watts. 8,500 RPMs flys better than when Nitro powered.

CP 10 Beta 2.13 Optimize for Faster Charging
Capacity Time -Approx. charge rate
1,689 mAh / 12:57 / 7.8 A avg..
1,609 mAh / 12:44 / 7.57A avg.
1,819 mAh / 14:36 / 7.52 A Avg
1,868 mAh / 14:03 / 8 A avg
1,811 mAh / 13:07 / 8.28 A avg.
1,480 mAh / 10:15 / 8.66 A avg.
With supply Pb at 11.8 under load charger was pulling 18 amps. First charge it held 10.5 amp. and after around the third it starting running aroud 120F and charge rate was holding right at 9.75A.


Charles


< Message edited by everydayflyer -- 4/16/2008 12:47:26 AM >
       Post #: 1

RE: FMA Direct Cell Pro 10 Charger - 4/28/2008 9:12:57 PM   
everydayflyer



Posts: 852
Joined: 8/21/2005
From: Buchanan, GA, USA
Status: offline 		A charge graph showing cells volts.

Charles

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< Message edited by everydayflyer -- 4/28/2008 9:22:55 PM >

(in reply to everydayflyer)
       Post #: 2

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