SF wrote on 3/9/2017 6:16 PM:
Yes worth it. Higher voltage will be appreciated by the radio.

The radio will show it's appreciation by using less current; otherwise, a "modern"
radio won't care. "Modern" radios use power regulators that provide the correct
wattage to the radio, within a wide range of input voltages.

--
Eric Greenwell - Washington State, USA (change ".netto" to ".us" to email me)
- "A Guide to Self-Launching Sailplane Operation"
https://sites.google.com/site/motorg...ad-the-guide-1
- "Transponders in Sailplanes - Dec 2014a" also ADS-B, PCAS, Flarm

http://soaringsafety.org/prevention/...anes-2014A.pdf