RE: Garden Tractor Battery
I also use a 7amp/hour sealed battery in my flight box,But that's not the point I want to make.I bought a "Maintenance charger" at Wal-Mart(Actualy, I bought it for my Mother's lawnmower.But the mower died,and Mom got too feable to do yard work.) I found it is perfect for keeping my flight box battery ready to go.I put banana plugs on the leads,and just plug it into the "Starter" jacks.It charges the battery,then stops and kicks back in whenever the battery voltage drops a bit.I plug it in as soon as I return from the field and leave it alone until the next flying session.I even leave it connected during the "Off SSeason"(Winter).I've used it arund 5 years now,and never have to give the flight box battery a second thought.