Ballast resistor
Film resistor
Printed resistor
Integrated resistor
No need for check and top up distilled water
No need for recharging of battery
No chance for sulphation of battery terminals
No need for disconnect the terminals to
Ampere - hour rating
Voltage - hour rating
Ampere rating
Voltage rating
Arsenic and boron
Gallium and indium
Germanium and silicon
Aluminium and antimony