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EMS - EMOM0012 EMOEMO0012 EMO0012 812872000121 0812872000121
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EMS Ultimate Battery Backer Futaba J
EMS Ultimate Battery Backer Futaba J
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Tech Notes
This is Jomar Products Battery Backer for Futaba J radio systems.
This hooks between your receiver and dual batteries, and will activate
your second battery if you lose voltage in the first one.


Best insurance for fliers using two receiver packs.
When main battery drops, this will automatically switch to the
second battery.
Works well with 4 cell, 5 cell, or Gel-Cell packs.
Batteries can be different capacities, such as, 1200 and 600mAh.
Warranty: Electronic Model Systems guarantees this Jomar product to
be free of defects in materials or workmanship for a period of one
year from date of purchase.


One Battery Backer with Futaba J connectors attached.
One Instruction Sheet


Radio system and batteries.


Length: 1.53" (38.9mm)
Width: 1.46" (37.1mm)
Height: .78" (20.0mm)
Weight: .8 ounces


Wiring- 6" servo wire with Futaba J connector and 2-5" wires with
battery connectors.

– If you need more information, use these EMS resources –
Phone: 800-845-8978
  Postal Address:
22605E LA PALMA AVE. STE 516

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