Smart Battery Isolators Series - The Most Flexible Battery Isolator Solution

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Smart Battery Isolators prevent loads on auxiliary battery from draining the starting battery.


  • More flexible than traditional battery isolators
  • Simple to install – connect to starting battery, auxiliary battery and ground.
  • Work with all types of alternators
  • Smaller and lighter than traditional isolators
  • There are no efficiency losses due to diodes
  • Allows bi-directional charging from the alternator or from shore power
  • Reduces the load on the charging system by not connecting the auxiliary battery until the primary battery is charged to 13.2V which extends the life of  charging components.
  • LED status indicator
  • Optional start assist with addition of a momentary switch allows the auxiliary batter to assist the starting batter
  • Quiescent current 5mA typical, 8mA maximum

Ordering Information

Part Number Amp Voltage
48525 85 A 12 Vdc
48530 200 A 12 Vdc

Access specifications, certifications, check availability and order parts below

Catalog #DescriptionContinuous currentVoltageInrush rating (10 seconds)Compare
4852585 A Smart Battery Isolator85 A16 VDC750A
48530200 A Smart Battery Isoator200 A16 VDC750 A