SoundTraxx 810140 - Current Keeper - 1-9/16 x 1/4 x 7/16" 4 x .6 x 1.1cm

The SoundTraxx CurrentKeeper™ is designed to add additional power capacity to any decoder installation. It can be used to overcome dirty track, limited electrical pickup or dead frogs to ensure reliable operation of any locomotive in your fleet. It measures 40 x 6 x 11mm.