Thread: Discussion A simple LiPo performance tool
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Old Mar 23, 2012, 04:37 AM
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Originally Posted by Andy from Sandy View Post
Is the simple LiPo performance tool available for use offline please? I can see this would be very useful at the field when used in conjunction with Wayne's meter for the many of us that are big on electric. Thank you.

I'm not very good on software etc, but my understanding is that Mark's calculator, which is an Exel file can be downloaded onto your smartphone so that you can use it anywhere. So if you have an ESR meter and a 'phone with you, you can instantly calculate a safe max current to take from your lipo at that particular temperature
This also means that in cold conditions, the calculated safe max current will be lower which is a warning to avoid 'winter failure' problems. Careful throttle control early on in the flight is the obvious answer.
Vlad gave the link above from John Julian's calculator which I think works on almost any system (

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