Use With Telephone Cable Sets or Adapters

while the 400 wh non-airplane legal batteries consist of one module and are not allowed to bring on an aircraft

this fully loads the alternator and blasts lots of power from the alternator into the 20% space in the starter battery

MOS-FET Power Supply

as well as entering a float mode when charging is complete to protect against overcharging your batteries

Sierra - Tip Lit Toggle Switches, Part No. TG40300 - On-OffSPST Sterling Power Use With Telephone Cable SetsMomentary ON OFF Momentary ON DPDT toggle switch illuminates through the tip of handle to indicate when the switch is in the ON position.