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ZTW 10A BEC / UBEC

Brand: ZTW /
Regular price 13.90 $1390

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ZTW300200010

ZTW 10A Universal Battery Eliminator Circuit (BEC/UBEC) - ZTW300200010

The ZTW Universal Battery Eliminator Circuit or UBEC is the easiest and least expensive way to protect your plane from an ESC failure or "brown out" condition. The ZTW UBEC is a crucial device if your ESC does not have a battery eliminator circuit or if the current draw of your receiver, servos, retracts, and lights exceeds the current capacity of your ESC's internal BEC. The ZTW UBEC installs easily between your aircraft's battery and receiver (see diagram below). ZTWs 10 Amp UBEC offers a cost effective solution to power your critical circuits and protect your investment.

What is a UBEC? A UBEC or “Universal Battery Elimination Circuit” is an external electronic circuit that taps power from your aircraft's battery pack and regulates the voltage down to the necessary 5 or 6 volts for the receiver, servos, lights and retracts. A UBEC does not replace the speed controller, it replaces the BEC (Battery Elimination Circuit) or SBEC (Switching Battery Elimination Circuit) function embedded in the electronic speed controller, with voltage control capabilities and more available current.

Why do I need a UBEC? - A UBEC is recommended for the following reasons:

  1. More available current to critical flight control components: if you are using a large number of servos, generally more than four, or you are using high current draw servos, you will need a UBEC to supply the necessary current to the servos for reliable operation.
  2. Redundancy: in the event of an ESC failure due to overheating or any other condition the internal BEC or SBEC in the ESC will usually fail as well. If your internal BEC fails you will have NO control of your airplane and likely crash. If you utilize a UBEC and the ESC fails, you will still have full control of your airplane's control surfaces and landing gear, allowing you to perform a "dead stick landing" and likely save your model.
  3. Reduced chances of "brown outs": if you are coming in for a landing and put retracts and flaps down at the same time while steering the ailerons, rudder, and elevator (plus the lights are on), you have the possibility of too little current available for your aircraft; this is referred to as a "brown out." Something as simple as a stuck retract can consume a significant amount of current causing brown outs or other electronic problems. Having a 10A UBEC, nearly twice the amount of current typically found in an ECS's internal BEC, ensures you will have sufficient power for all your electronics.
  4. Superior performance compared to Linear BECs: Many ESCs use a linear BEC as opposed to a switched BEC. A linear BEC provides less power as the battery pack is used up during flight, therefore, the probability of a brown out and subsequent loss of control goes up dramatically the longer you fly. By comparison, the ZTW 10A UBEC uses a switching regulator, which will always provide a constant current throughout the duration of your flight.

Features:

  • Provides ultimate safety in the event of an ESC failure, allowing you to retain full control of flight surfaces and landing gear
  • Provides up to 10 amps of current for large number of servos or high current power draw servos
  • Decreases the electromagnetic interference for a secure receiver connection
  • Blue LED light display to show the BEC is active and working properly
  • Battery polarity reversal protection

Specifications:

  • Regulator Type: Switching
  • Output: 5.0V, 5.5V, or 6.0V switchable (Changeable with a blue jumper)
  • Input: 6V-25V (2-6S Lipo, 5-18S NiMH/NiCd)
  • Output Current: 10A Peak
  • Size: 45.0mm x 23.0mm x 10.0mm (L x W x H)
  • Weight:18.0g

Optional:

UBEC Wiring Diagram

Please note, you must remove the red wire of the ESC's SBEC to the receiver before connecting the UBEC. Alternatively you can install a battery eliminator cable which automatically eliminates the red wire.

Product Questions & Answers

NOTE: Questions submitted on this page are answered by customers who have previously purchased this item. If you have a support related question that requires immediate assistance, please visit our Help Center.

Product Reviews

Customer Reviews

4.9 Based on 42 reviews
5 Star
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4 Star
7% 
3
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2% 
1
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JE
06/01/2019
Jan E.
Sweden
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ZTW 10A BEC/UBEC

First time I bought an ZTW and it seems to work as fine as the Castle Creations 10A BEC.

RT
05/04/2019
Ricky T.
United States
  • How would you rate the overall quality of the product? Very LowLowOkayGoodVery Good
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 ZTW 10A BEC / UBEC,Review

After using this ZTW 10A BEC/ UBEC for 3 years,I have not had any issues so I will give this product five stars.

Ricky T. verified customer review of ZTW 10A BEC / UBEC
A Motion RC Customer
CD
05/01/2019
Chris D.
United States
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Simple, Effective

A super, duper, neat way to safeguard against ESC brownout or to make sure your servos have the power they need beyond the usual onboard ESC 5A BEC (which, in some stock models is just barely enough to handle the advertised load).

RT
04/25/2019
Ricky T.
United States
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ZTW 10A BEC / UBEC review

I have been using thisZTW 10A BEC in five of my 8s Jets for about 4 years with no issues. I want to thank motion RC for carrying great products at an affordable price.

JA
04/22/2019
james A.
United States
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10amp Bec

Great performance. A must for every high demand servo set up.

LS
12/22/2018
Leonid S.
United States
  • How would you rate the overall quality of the product? Very LowLowOkayGoodVery Good
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You get what you expected

I have this on all of plans with more than 5 servos. Works perfect.

MH
11/24/2018
Mike H.
United States
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10A BEC

Quality equipment at a great price.

JA
09/13/2018
José A.
United States
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External BEC

I like the idea of having an external BEC in the case something goes wrong with the ESC. Two of the eighth that I got from Motion RC are already installed and they work as they said. Thanks Motion for such a good product.

RT
05/03/2018
Ricky T.
United States
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ZTW 10A Bec/UBEC

I started purchasing the ZTW to save money over the castle Bec.I have it in probably 9 jets and I have not had any issues.

Ricky T. verified customer review of ZTW 10A BEC / UBEC
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