What tray are you pertaining to? You mean senselessly agitating the batteries revive it? 
Looks like you've had some experience on batteries. Deep cycle are really quite expensive. I've learned though that for certain usage behavior, typical car batteries would really suffice. Thanks for sharing the info!
Looks like you've had some experience on batteries. Deep cycle are really quite expensive. I've learned though that for certain usage behavior, typical car batteries would really suffice. Thanks for sharing the info!
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