Examples of Rapido FL9 NHRR and Intermountain F7 ABA engines converted to on-board battery power. Theselocoswill run for 4 hours. The battery is a 11.1V .8 Ah pack fitted into the frame of a B unitor second A unit.
Any HO engine can run better on battery power. No more stalls on switch points, no more complex wiring or cleaning dirty tracks.
We have assembled a11.1v lithium pack using standard cells. Each pack has the newest version PCM for protection.Each packcan fit inside a dummy unit or B unit. These batteries will run for 4-6 hours. The charger is a standard plug-in smart charger. Rather thanusing step up voltage circuits withspecial circuit boards. (We are working oncharging from the track. The engine with the battery hastwo contacts fitted underneath that slideonto contacts mounted within the tracks.This track would be a isolated sidingwith a connector that thechargerplugs into).
The RailPro control module fits insidethe lead unit for control and sound. Adda mini 2 pin connectorbetween engines for power. The track power pickups are disconnectedso you can run after yourothertrains or operate independentlyon a friend or clublayout.