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E-Flite 40-Amp Pro Switch-Mode BEC Brushless ESC (V2) (E-Flite EFLA1040B | EFLA1040B)

Model: E-Flite EFLA1040B
Dist. #: EFLA1040B   SKU: EFLA1040B

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Price:  $104.99

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Updated on Sep 26, 2025 04:32:12 AM

40-Amp Pro Switch-Mode BEC Brushless ESC (V2)...
Features

As much as 40 amps continuous current with proper air circulation and 55 amps burst current (15 seconds)
5A continuous current, 5V Switch-Mode BEC Circuit (Correct cooling and air flow needed)
More powerful BEC for support of the majority of 3-axis stabilization systems
Increase to 7 analog or 6 digital standard-sized servos with the BEC
3- to 6-cell Li-Po, 9- to 18-cell Ni-MH/Ni-Cd input voltage
Finned heat sinks
Programmable motor braking
Safe power-arm mode prevents unintentional starts
Programmable low voltage cutoff with settings for 3-cell Li-Po (9V), 4-cell Li-Po (12V), 5-cell Li-Po (15V), 6-cell Li-Po (18V) or 70% of battery starting voltage
Programmable throttle input variety
Programmable soft start for helis and airplanes
Auto motor closed down if signal is lost or there is interference
Programmable timing—5 user-selectable varieties to utilize with a large range of brushless motors
Makes use of new smaller sized Mosfet technology to decrease weight
Radio System Power ON /OFF Change
Prewired adapters—E-flite EC3™ adapter on battery input and 3.5mm gold bullet adapters on motor output leads

Introduction

E-flite® 40-Amp Pro Switch-Mode BEC Brushless ESC (V2) is a premium sensorless brushless electronic speed control with an integrated switch-mode BEC that is very lightweight and effective. It can operate without the requirement for a separate receiver battery to power your servos and receivers, conserving you weight and complication.

Specifications

Continuous Optimum Current: 40A (Correct cooling and air flow needed)
Input Voltage: 3–SIX Li-Po or 9–18 Ni-MH/Ni-Cd
Input Port Types: 13 AWG with E-flite EC3 Port
Output Port Types: 13 AWG with 3.5mm Gold Bullet Connectors
Momentary Peak Current: 55A (15 sec) (Correct cooling and air flow needed)
Length: 68.0mm (2.70 in)
Width: 33.0mm (1.30 in)
Height: 13.0mm (0.50 in)
Weight: 62.0 g (2.20 oz)
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