Manual or Automatic start
Manual start
After switching on the main button, you have immediately a enery transfer from the full battery to the empty battery
This means a high waste of start performance for the actual start procedure
application
The manual mode is designed for the support mode to save the avionics in case of exchange the batterys or for other sonstige Spannungsunterstützung.
Automatic start
The energy for the start procedure won't supplied not before turning the ignition key.
No energy transfer to the empty battery
application
In the daily use, where the performance plays a important role, should be taken automatic booster.