The MasterVolt Battery Mate 2 Way is designed for boats with multiple batteries operating independently, this intelligent battery isolator guarantees optimal charging without energy loss.

Ensure efficient charging for your onboard systems with the Mastervolt Battery Mate 1602 IG. Unlike conventional diode splitters, the Battery Mate utilizes electronic technology with mosfets to minimize voltage drop, ensuring precise charging across multiple battery banks.

Compatible with any alternator or battery charger, new or existing, the Battery Mate streamlines charging processes without requiring adjustments to the alternator. With negligible voltage loss, it delivers fast and complete charging, even for batteries from different brands. Its robust construction, including corrosion-proof materials and aluminum heat sinks, ensures durability in marine environments.


  • Intelligent battery isolator with electronic technology
  • Compatible with any alternator/battery charger
  • Charges two or three batteries simultaneously with high efficiency
  • LED display for clear monitoring of power input
  • Robust construction with corrosion-proof materials for durability


Model Number IG 1602
Max. Output Battery Charger 120 A
Max. Output Alternator 160 A
Number of Battery Outlets 2
Dimensions (hxwxd) 207 x 140 x 80 mm
(8.1 x 5.5 x 3.1 inch)
Weight 1 kg
(2.2 lb)
SKU MV83116025
Barcode # 83116025
Brand Mastervolt
Shipping Weight 1.0000kg

Manufacturer's warranty included.

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