the following is if you decide to go glow

you could buy a http://www3.towerhobbies.com/cgi-bin...e%3C%2Fb%3Eter i never go to the flying field with out it....regardless if i charged my batteries the night before....it puts a nice load that simulates the servos under working conditions


and once you have an idea that the battery ack you have is reliable you can use one of these as a spot check, but not to replace getting a voltmeter http://www3.towerhobbies.com/cgi-bin...&I=LXHDJ2&P=ML