12s battery question

dodgeboy · 05-11-2012, 09:13 PM

Is there a rule that says you need to run 2 of the same batteries at once?
Do you/should you always run the same mah and c ratings togther? Would it effect anything if you didn't? Not that I plan on it but just curious to know if you could.

Drivinfast247 · 05-11-2012, 09:23 PM

Same mah and c ratings.

TheBum · 05-11-2012, 09:24 PM

If the discharge rates (C rating and/or mAh capacity) of the packs are different, the amount of current the packs can deliver will be limited by the pack with the lower discharge rate.

If the capacities are different, then the flight time will be limited by the lower capacity pack. You'd be, in essence, wasting the extra capacity of the higher capacity pack.

Pistol Pete · 05-11-2012, 09:29 PM

You want the same mah for running them in series because you not adding the capacity together your adding the voltage together. If you had a 5000mah 6s pack and 3000 mah 6S pack in series it would work but you can only use the capacity of the 3000 pack otherwise you will discharge it too far.

As far as the C rating I don't think it would matter but I may be wrong.

Pistol Pete · 05-11-2012, 09:30 PM

You beat me bum

05-11-2012, 09:13 PM	#1
dodgeboy Registered Users Join Date: Nov 2011 Location: slidell, LA	12s battery question Is there a rule that says you need to run 2 of the same batteries at once? Do you/should you always run the same mah and c ratings togther? Would it effect anything if you didn't? Not that I plan on it but just curious to know if you could. __________________ To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts. Team A-Main/ProTek Field Rep.

05-11-2012, 09:24 PM	#3
TheBum HF Support My HF Map location Join Date: Jul 2007 Location: McKinney, TX, USA, North America, Earth, Solar System, Milky Way, Universe	If the discharge rates (C rating and/or mAh capacity) of the packs are different, the amount of current the packs can deliver will be limited by the pack with the lower discharge rate. If the capacities are different, then the flight time will be limited by the lower capacity pack. You'd be, in essence, wasting the extra capacity of the higher capacity pack. __________________ Alan (just call me "Bum"; no need to be so formal) HeliFreak Support Nankin Hobby Field Rep, Compass Support Team Helis: Compass Atom 500 (V-Bar), Compass Atom 6HV (V-Bar), Blade 130X, Blade mCPX Experience is something you obtain only after you need it. I wouldn't mind social media so much if it didn't involve people.

05-11-2012, 09:29 PM	#4
Pistol Pete Registered Users Join Date: Apr 2007 Location: Minnesota	You want the same mah for running them in series because you not adding the capacity together your adding the voltage together. If you had a 5000mah 6s pack and 3000 mah 6S pack in series it would work but you can only use the capacity of the 3000 pack otherwise you will discharge it too far. As far as the C rating I don't think it would matter but I may be wrong. __________________ MSR, MSR X, MCPX brushless, Trex 250 SE, Trex 450 Pro, Trex 700N, Synergy E7

05-11-2012, 09:30 PM	#5
Pistol Pete Registered Users Join Date: Apr 2007 Location: Minnesota	You beat me bum __________________ MSR, MSR X, MCPX brushless, Trex 250 SE, Trex 450 Pro, Trex 700N, Synergy E7

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05-11-2012, 09:23 PM	#2
Drivinfast247 Registered Users Join Date: Jun 2009 Location: Shelby Township, Michigan	Same mah and c ratings.