Item #889109

Yandina Trollbridge36 Battery Combiner - TB36

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Image of : Yandina Trollbridge36 Battery Combiner - TB36 Yandina Trollbridge36 Battery Combiner - TB36 Item # 889109


The Yandina Trollbridge36® Combiner allows you to charge your 36V trolling motor battery from the 12V alternator on your main engine or a trailer hook-up. It works by automatically putting (3) 12V batteries in series when you need to run the trolling motor and in parallel for charging.


  • Fully automatic, no switches or connectors to change
  • Compatible with (3) or (4) battery systems
  • In a 3 battery system, the bottom battery can be used as a house and/or starting battery
  • A single output 12V charger will charge all batteries
  • Can be conveniently located with the batteries
  • Can be used on alternators with internal or external regulators
  • LED indicates when the trolling batteries are charging
  • Connection provided for optional remote LED
  • Charging is done at 12V so your motor never sees charging voltages
  • 100% efficient when trolling for longer run times
  • 97% efficient when charging - faster charge and no wasted power with no heat sink or cooling fan required
  • Waterproof - rated IP68 protected from long term immersion
  • Ignition rated for explosive atmospheres
  • No voltage drop so batteries reach full charge
  • No modification to alternator or 12V engine wiring
  • Simple 6 wire connection to three batteries and a charging input line
  • Comes with all cables for basic hookup
  • Uses no current when not charging - no on/off switch needed
  • Uses only 1/2 amp when charging
  • No diodes to burn out if accidentally shorted
  • Withstands high ambient temperature for engine compartment mounting
  • Remote radio link push button to enable running both motors at the same time
  • Works automatically with 97% of trolling motors and manually with 100%


  • Model No. TB36
  • Voltage: 12V DC
  • Rated for 12V alternators up to 100 Amps
  • Rated for 36V trolling motors up to 85 Amps
  • Waterproof: IP68
  • Max Operating Temperature: 175° F (80° C)
  • Dimensions (L x W x H): 4" x 5" x 2"

Installation Instructions

Part Numbers for Yandina Trollbridge36 Battery Combiner - TB36

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Where does each wire go in the 3 batteries that run the trolling motor?  The old trollbridge had 6 wires yours has an extra black one

Asked by: Dcw161
Detailed instructions are here:
Answered by: RJT Outlet
Date published: 2024-04-11
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