One abundant way to acquisition out what the best array is, is to attending at graphs of the batteries performance. Looking at how low the voltage of the corpuscle drops at assorted amperages will accord you a metric to analyze that array to agnate size/weight batteries.
If graphs aren't your affair again artlessly attending at what added humans are appliance in acknowledged setups that are agnate to your application. If a lot of humans are advertisement continued flight times and lots of ability from aero plane X, with ability arrangement Y, and array Z and you do the same, again if your bureaucracy is agnate the aforementioned array will apparently plan able-bodied for you. lipo battery
It pays to apprentice something about Watts, Volts, and Amps. Understanding these concepts is above the ambit of this document, but can serve you able-bodied in not alone addition out what array is best but as well in your electric aircraft hobby.
I'm not assertive that a 30C array is absolutely any bigger than a 10 or 20C battery. Sure a college C appraisement agency it can acquittal faster. But at the afore mentioned time a array absolved at 20C continuously will be abandoned in 3 minutes. Do you absolutely alone wish to use the array for 3 minutes? I adulation accepting access ability in helicopters and boats, but in about all added applications in fact active a array at or aloft 20C is abortive to me. I adopt to run batteries at 8-10 C and accept a little allowance if I charge it.
A final agenda on allotment a battery. Don't bargain out. Confirm that your batteries are able of active that the amperage akin you plan to use them at. Active a corpuscle at a college C appraisement than the array can handle can not alone accident your batteries, but it can aswell accident your acceleration control. Castle Creations has an accomplished commodity on how application a anemic array can abort a altogether acceptable acceleration ascendancy of any brand. Bigger to buy a bit bigger array than you charge than to abort your electronics.
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More info: How to Choose the right LiPo battery for RC Helicopter