Test results LiFePO4 glider batteries after 6 years
"the only instrument in your panel that
might draw a bit less current is a transponder"
I seriously doubt it. All modern avionics are designed to operate over a wide input voltage range; they have internal dc-dc conversion circuits that transform the supply voltage to a regulated, operating voltage. Trig, for instance, specifies an input voltage of 11 to 33 V.
Tom
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