2700 MaH on the ignition??? Be sure that the igntion can handle six volts. The ones I have on my gassers are 5 cell 1500NiMh 4.8 volt NiMh for the ignition and 5 cell 2300 NiMh, six volt for the Rx. six volts will fry some ignitions, or at least it will fry the ones that I own.