Mastervolt BI 702-S Battery Isolator - 83007021

Mastervolt BI 702-S Battery Isolator - 83007021

Price : €85,00  + VAT
Incl. VAT : ₺5.556,76
Price in TL : ₺4.630,63(₺926,13 + VAT)
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Mastervolt BI 702-S Battery Isolator - 83007021
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Mastervolt BI 702-S Battery Isolator - 83007021

The Mastervolt BI 702-S is a high-quality 2-output battery isolator used in 12/24 V systems to charge batteries separately. It sequences the current from an alternator and/or battery charger to charge batteries without connecting them together.

Isolating the charge current prevents hazardous situations; for example, the battery feeding the bow thruster can operate independently of the battery feeding the lighting. Energy loss in current distribution is minimized, and the unit is compatible with Mastervolt alternators and chargers.

Key Features

  • 70 A capacity for 12/24 V systems
  • 2 battery outputs for separate charging
  • Sequential charging — batteries are not connected together
  • Isolates charge current — safe operation
  • Minimum energy loss in current distribution
  • Compatible with Mastervolt alternators/chargers; robust design

Applications

  • Separate charging of multiple battery banks from a single alternator/charger
  • Independent supply to starter and service batteries
  • Supplying high-power loads such as bow thrusters from a dedicated battery bank
  • Reliable charge isolation in demanding conditions

In the Box

  • BI 702-S battery isolator unit

Technical Specifications

GeneralValue
Part No.83007021
Max alternator output70 A
Max charger output25/50 A
Number of battery outputs2
Balancing diodeNo
Dimensions (H×W×D) · Weight157 × 140 × 80 mm · 0.58 kg

Expert Support

Our expert team is available to assist with correctly isolating your battery banks and managing charge current.Feel free to reach out with any questions — let's plan your installation together.

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