New product

Sterling Power Pro Reg S - alternator regulators for operation voltage 12V and 24V. The next generation of advanced regulators, offering those extra features we deemed important based on our previous 15 years experience in this market. The style housing offers dust and water protection, along with the latest technology eliminates the need for fan cooling.

More details

244,39 € tax incl.


287,52 € tax incl.

More info

With a you can convert the constant voltage output of a standard vehicle's alternator into a 5-stage progressive constant current battery charging profile. This high performance, marine grade alternator regulator recovers your house battery bank, on average, five times faster than using just a standard alternator!



  • Model: Pro Reg S - ARS; Remote control - ARRSU
  • IP 68 waterproof & ignition protected
  • 7 battery types with 5 step charging curves
  • 20 LED information display
  • Remote control option
  • Small in size. Big in charging results.
  • Sterling Power Advanced Alternator Regulators allow you to change the standard output of your alternator into a four step charge profile.
  • Our four step charging profile extends the life of your batteries by fully charging and conditioning your batteries, as well as entering into a float mode when charging is complete to protect against overcharging your batteries.
  • Advanced 5 step charging algorithm provides a charging rate that recovers your batteries up to five times faster than a standard alternator.
  • Unlike other Advanced Regulator packages on the market our advanced regulators will work with your existing engine alternator. You don't have to buy a new alternator as part of the installation. No pulley changing, no new bracket building.
  • When installed in conjunction with our ProSplit-R Zero Drop Battery Isolator Product Line, you can provide advanced 5 step charging to all of your battery banks from your alternator, without the risk of any one of your battery banks discharging the others.
  • Will work with 12 volt and 24 volt systems and positive or negative field inputs.
  • Supplied with a battery temperature sensor to provide battery temperature compensation.
  • The ProReg-D/S/U models have an optional remote, 12V or 24V capability and an alternator temperature sensor.
  • Warranty: 2 years




  • Operation voltage: 12V/24V


  • Weight: 0,4 kg
  • Weight Remote control: 0,04 kg
  • Overall dimensions (WxHxD) mm: 113 x 140 x 45
  • Overall dimensions Remote control (WxHxD) mm: 110 x 69 x 20