I absolutely concur Joe!
Stephen G6SGA
Sent from my iPhone
On 27 Sep 2021, at 15:17, Joseph B. Fitzgerald jfitzgerald@alum.wpi.edu wrote:
If you go the "secondary battery in the boot" route, consider using a battery designed for the task rather than a regular car/lorry battery which is designed for short bursts of high current with minimal discharge before recharge. Also consider a battery boost device such as the MFJ-4416C so your radio sees 13.8 volts even if the battery is discharged to a lower value.
Of course if you already have an extra battery available and your radio is happy at 12.2VDC, this is unnecessary.
-Joe KM1P
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