Battery charger recommendation???

[spareparts]

for what a proper charger would cost, you could buy at least two new battereis. I'd just get another guest and put it on a timer, let it charge for 15 minutes a day, that should keep your batteries more than ready. If you know you're going out hte next day, let it charge for a while longer. if that won't keep the batteries up, you have a drain or a battery issue