You already know you'll get the call when she hasn't charged the jump pack after using it repeatedlyIf there's a definite issue with the battery on mine, it'll be replaced. Could be some piece of equipment on the vehicle draining power. Who knows. If it occurs again, it'll go in for checking.
Sis, not sure if she'd left lights or something on. Again, who knows. Won't risk having her stranded though.
& no, simpler & easier don't come into this. Unexpected occasions are exactly that. Better prepared for unexpected occasions.






