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HobbyKing 70A Boat ESC 4A UBEC

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HobbyKing 70A Boat ESC 4A UBEC

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The HobbyKing 70A Boat ESC is a watercooled speed controller specifically for marine use. It features a host of programmable parameters allowing you to tailor your power system to any project. Cooling tubes are integrated into the aluminum alloy case, doubling up heat dissapation, great for fully enclosed racing boats. Now you can push the performance evelope to the absolute limit.

• Fully programmable parameters including low voltage cut off, motor timing, start up power, and more
• Aluminum heatsink case with integrated water cooling tubes
• Integrated BEC unit up to 3A capacity
• Compact and light weight


Constant Current: 70A
Burst Current: 90A
Battery: 2-6S Lipoly
BEC: 5.5v / 3A
Motor Type: Sensorless Brushless
Cooling: Watercooled
Size: 87 x 38 x 22mm
Weight: 105g

Programming Functions:
Running Mode: Forward with brake / Forward and reverse with brake / Forward and reverse
Acceleration: 6% / 9% / 12%
Low Voltage Protection: None / 2.6V / 2.8V / 3.0V / 3.2V / 3.4V
Start Mode (Punch): Level 1 / Level 2 / Level 3 / Level 4 / Level 5 / Level 6 / Level 7 / Level 8 / Level 9
Reverse Force: 25% / 50% / 75% / 100%
Timing: 0° / 5° / 10° / 15° / 20° / 25° / 30° / Automatic

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John | Verified Buyer

  • Value
  • Quality
  • Overall

Works really well

May 22, 2019

Got two of these to replace some crappy “mystery “esc’s.
Easily programmed and work as they should.

James | Verified Buyer

  • Overall
  • Value
  • Quality

its ok for the price

Apr 10, 2017

this product has intermittent problem runs ok for a few minutes then acts erracticly

Customer files
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Using the HobbyKing Boat ESC Programming Card.pdf Download [126]
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