Bright Spark
Second Officer
Flight distance : 22129 ft
United Kingdom
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When nicads came out, there was strict advice that they had a memory effect, and required periodic full discharge for similar reasons. Then that was reversed, don't bother.
Lithiums about the same.
My system is to test fly to 10 per cent, and if I get 14 or more mins, carry on as usual.
Sparks batts look to be of high quality because their cell voltages appear very constant during use. I've no idea how many cycles one can expect, but flight times will decrease when they deteriorate.
I've wasted ages testing lipos, slow/fast charge/discharge, etc, and broadly no conclusions.In a large aerobatic helicopter, they just don't last long.
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