[Bob Kontak]

Originally Posted by dad911

How about : Battery cutoff https://www.amazon.com/Swan-Type-Battery-Cut-Off-Switch/dp/B001JE32H4 so it doesn't discharge

And a jumper pack pack for emergencies?

If son can memorize radio re-enable code, if applicable, I like this too.

There may be the need for a root cause analysis. Parasitic amp draw or tired battery. This ten dollar upgrade will buy some time.