Originally Posted by DanH
Walt, can you tell us a bit more about that charge curve? Something to do with the diode's voltage drop vs the higher charge voltage requirement of the EarthX?
Too early for number crunching but the bottom line is a resistor/diode combo represents a compromise of max charge current vs charge rate. If you actually run the battery down a bit the "typical" flight will not be sufficient to recharge the battery.
The 3 amp charge rate of the Sterling unit is pretty close to an ideal rate for most small batteries and will top off the battery much quicker than say a 100ma charge rate.
Walt Aronow, DFW, TX (52F)
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