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The Burst Avocado AEG Burst Regulator is an electronic device that attaches between your airsoft electronic gun (AEG) and your airsoft battery. Because it's an electronic unit, it will not work with your airsoft gas blowback (GBB) guns. There are several reason why you would want a burst unit in your airsoft gun:
Reason #1: The primary reason for airsoft programmable MOSFET burst control unit is to provide realism to your airsoft gun. The realism is driven by many real firearms that can fire in burst mode. For example, the M16 fires three-rounds burst. By using a programmable MOSFET burst control unit, your airsoft electronic gun can fire in burst mode as well.
Reason #2: The basic AEG is quite simple. Your trigger closes the contact circuitry from the battery to the motor, causing the electric motor to turn the gears to fire the gun. This simple circuit contact does not provide consistent voltage and current draw, which translates to inconsistent firing and potential burning of the electrical wiring. The MOSFET portion of the burst unit solves that problem by providing consistent voltage and current to the motor.
Reason #3: The burst unit detects battery condition to provide battery cut-off, which prevents over-discharge of sensitive batteries. This feature primarily targets LiPo batteries, where over-discharge can create a fire hazard. This cut-off is also useful for all battery types to prevent battery damage in a over-discharge condition.
Now that we have a good understanding of the purpose of a burst control unit, let's take a look at the Burst Avocado programmable MOSFET unit. The programmable burst unit, shown in the photo below, is a small circuit board encased in a hard transparent plastic. The plastic case is clear with no labeling whatsoever, allowing you to see the circuit board quite clearly.. There are two mini Tamiya connectors. The female connector connects to the airsoft gun, while the male connector connects to the airsoft battery. The Burst Avocado is also available with dean connectors, but we got the mini-Tamiya connector version.
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Cross-Reference
It Burst Avocado looks extremely similar to the Swiss Arms Programmable MOSFET Burst Unit that we have reviewed on this web site before: "Swiss Arms Programmable MOSFET Burst Unit Review". Unlike the Swiss Arms burst unit, the Burst Avocado has no physical battery type programming button.
The Burst Avocado programmable MOSFET unit works with two battery types:
The battery type detection is completely automatically done by the Burst Avocado unit, making this burst MOSFET unit even easier to use than the Swiss Arms burst unit. But this simplicity comes with a cost. Note that 9.6V (8 cells) NiMH batteries are not listed above. The instruction sheet states, "NiMH 9.6V (8 cells) is not suggested owning to the default battery-low setting of the device does not match."
In addition, it's not clear whether this burst control unit will work with LiFe batteries. Airsoft LiFe batteries usually comes in 9.9V (3 cells) form factor. But it's voltage is so close to the 9.6V NiMH, it may not work. We'll test it to see.
To program the number of rounds that each trigger pull will fire, follow these steps:
The Burst Avocado programmable unit will remember the setting even after the battery is unplugged.
The instruction sheet says that you can program the unit from 2 to 12 shots. That's alarming, because some of us want to use the Burst Avocado for single shot burst. That's especially useful when we use the burst unit to fix a common V2 gearbox broken trigger post problem (see Cross-Reference below). We will have to test the unit to see if we can program it to fire single burst.
Cross-Reference
This DIY article shows an excellent reason to get a burst control unit, rather than a new gearbox: "Fixing Your AEG Broken Trigger Post".
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