Battery tender for aux battery ?

[Tim mcleod]

Storing 2024 at4 diesel.
Will have battery tender on primary battery.
Should I have one on aux battery ?
Thanks
Tim

 

AT4 Forum Fav 👍

UnderCover SwingCase Truck Bed Storage Box - Grab a set through Amazon!

[Ohiost90]

Those batteries are connected in parallel if I'm not mistaken. So if you are not breaking that connection, having the tender on one should also be charging the second.