I am still learning about batteries it seems and have recently tried an esky 1800MaH battery with a C rating of 15C in my new Trex 450V2. My Trex came with the supplied motor and ESC, which is 35amps (I believe). If I am doing the math right, this battery will only put off 27amps (1,800 X 15 = 27,000) which is underpowered for the 35 amp ESC.

I have recently purchased some Kong Power 25C batteries at 2100Mah for an output rating of 52.5amps. If I am understanding everyone correctly, this higher amperage is better for the ESC and motor.

So my question is, after running a few cycles in my Trex on the esky battery, could I have damaged or weaked the ESC or Motor?

PS...I noticed the motor and esc were hot to the touch with the esky battery, but not with the supplied Align battery.

Thanks in advance.

Yes, I too have been in your shoes where my ESC and motor got hot with 2200mah 18c batteries, once I switched to 25c 2150 Kongs or DN powers the ESC and motor do not even get warm.

I do not think you wrecked things or otherwise you would see more definite signs of issues, motor not beeping, erratic HS from the ESC, etc.

You'll be fine.

If you pop the Kong in and it flies great you are fine. Over heating the motor weakens the magnets but that effect is instant. Also over heating the ESC could cause problems down the road but I think you will be ok. I run a Scorpion -6 V2 motor off my Align 35 ESC and have for a couple months now. I run 100% wide open and I am not r/c heli friendly to my Trex. I give a new definition to the expression "stick banger" as where I live it is windy and hard stick banging is just fun.

I think it's more important to have a cooling down period between flights. I think that'll do more than most anything. Just 5 minutes without the canopy on.

Gary

Thisis a must, especially if you are flying a normally hot motor like my MedUSA.

You mean in terms of preventing damage to the motor and ESC?

yes, and longevity.