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Battery Doctor Battery Isolator, 100A

Charge two batteries from a single alternator

Item #: BD90
International Shipping
Manuf. Part #: 20090
Weight (lbs): 1.1
Amps: 100
Was: $60.00
Your Price: $41.79
Quantity:  BUY NOW
In stock! Usually ships within 1 business day.

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  • Keeps starting battery isolated from second battery
  • Electronic switching control technology
  • Over-current and surge protected for vehicle with electronic systems
  • Priority charging and manual override for starting the battery

This innovative Battery Isolator controller packs a lot of power but is smaller and lighter than other battery isolators. A single push of the override/reset button allows you to change batteries to parallel mode for jump starting. Water resistant and suitable for marine use. Automatically charges auxiliary battery. Includes mounting bracket.

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All versions of Battery Doctor Battery Isolators:
Item # Amps Each
BD90 100 $41.79