Originally Posted by
el salvador
+1 on this option, I have 3 of them, Charge before every run @.5 amps.
Only issue, If you want to plug directly into Rx, you have to change the connector, but these little guys are very effective, and dependable.

Actually, I ADD another reciever connector and some wire... I charge it while it's in the car. Since the switch is "off" it's not a problem.