Thunder Battery Isolator Programmable Electronic 12V



  • Fully programmable engage, disengage, alarm voltages and times
  • 100 Amp continuous rated
  • Remote monitoring option
  • Jump-start function option
  • Will allow reverse charging from auxiliary battery
Thunder Battery Isolator Electronic 12V TDR15100

This 100A Programmable Thunder Dual Battery Isolator is intended to protect your starting battery from excessive discharge. Allowing your auxiliary battery to supply all your non-essential power loads, this unit charges two batteries from your alternator simultaneously.

This ensures that you never find yourself turning the key in the ignition only to discover that your battery has gone flat – an occurrence any outdoor aficionado, camper van explorer, or off roader knows can go from inconvenience to catastrophe quickly. Play it safe and sensible with this dual battery isolator.