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I början av oktober avser tillverkaren Perun Airsoft i Polen att lansera mosfet-kretsarna AB++ och ETU++.

Texterna nedan är från tillverkaren själv och beskriver mer detaljerat mosfet-kretsarnas kompatibilitet och funktionalitet.

AB++ is an on-wire mosfet, channeling the power from the battery to the motor through a specialized high-power transistor, instead of delicate mechanical switches, increasing reliability and replica performance. It also enhances your replica by adding many new, useful features.
Works with 7.4V, 11.1V and 14.8V batteries. Comes almost fully pre-wired, with only few easy soldering joints needed to install the mosfet.

AB++

ETU++ is a dedicated replacement for G&G ETU electronic board. It enhances your trigger unit by adding many new, useful features. Simply disconnect the stock electronic board and plug in ETU++. The stock trigger unit (switch set) is retained, so there is no need to open the gearbox.
Works with any G&G ETU replica, as well as 7.4V, 11.1V and 14.8V batteries.

ETU++

AB++

General, short description
AB++ is an on-wire mosfet, channeling the power from the battery to the motor through a specialized high-power transistor, instead of delicate mechanical switches, increasing reliability and replica performance. It also enhances your replica by adding many new, useful features.
Works with 7.4V, 11.1V and 14.8V batteries. Comes almost fully pre-wired, with only few easy soldering joints needed to install the mosfet.

Features:
• Electronic burst
• Active brake with adjustable braking power
• Precocking (with spring release feature)
• Rate of fire reduction
• DMR mode
• Low battery voltage alarm
• Programming supported with a multicolor LED diode
• Diagnostic system
• Electronic resettable fuse

Feature description
Electronic burst – Change auto to an electronically controlled burst to save your ammo and increase realism!

Active brake – active brake stops the motor after each shot preventing spring compression or in case of replicas with high rate of fire, overspin (double shot problem).

Precocking – Fast trigger response can be a matter of victory or defeat, especially in CQB situations. With precocking enabled, piston will remain in rear position after each shot with the spring already compressed, ensuring that next shot will be fired immediately after you pull the trigger. To release the spring after using precocking, pull the trigger while simultaneously holding button on the unit. A shot will be fired, with no precocking and fully braked.

Rate of fire reduction – Reduce the rate of fire in automatic or burst fire to save ammo or make the replica shoot in a more realistic fashion.
DMR mode – Introduces intervals between semiautomatic shots to comply with DMR rules on some fields.

Low battery voltage alarm – Dedicated for Li-Po and Li-Ion batteries. Should the battery voltage fall to a dangerously low level, user will be notified by short sound signals that are repeated every minute. This may also be freely switched on and off.

Diagnostic system – Constantly monitors the replica and the mosfet itself. In case of any problems, immediately lets you know what it might be, making troubleshooting much easier.

Electronic fuse – Will save your replica and battery in case of a major malfunction. It will automatically disconnect the battery if a short circuit or blocked motor is detected.

Programming of all the settings is done solely by using trigger and a button on the device, in an easily memorable and quick sequences. Programming is supported by sound signals and multicolor LED diode. That allows changing the settings in any moment, in a matter of seconds, even under enemy fire.

Upgrade kit works without problems with any battery from 7V do 17V. It can also be used with most extreme setups, without any limitations as to the spring rating.

ETU++

General, short description
ETU++ is a dedicated replacement for G&G ETU electronic board. It enhances your trigger unit by adding many new, useful features. Simply disconnect the stock electronic board and plug in ETU++. The stock trigger unit (switch set) is retained, so there is no need to open the gearbox.
Works with any G&G ETU replica, as well as 7.4V, 11.1V and 14.8V batteries.

Features:
• Independently programmable firing modes
• Active brake with adjustable braking power
• Precocking (with spring release feature)
• Binary trigger
• Rate of fire reduction
• DMR mode
• Low battery voltage alarm
• Programming supported with a multicolor LED diode
• Diagnostic system
• Electronic resettable fuse

Feature description
Independently programmed firing modes – Program the firing modes any way you like, setting safe, semi, burst or auto on both selector positions.

Active brake – active brake stops the motor after each shot preventing spring compression or in case of replicas with high rate of fire, overspin (double shot problem).

Precocking – Fast trigger response can be a matter of victory or defeat, especially in CQB situations. With precocking enabled, piston will remain in rear position after each shot with the spring already compressed, ensuring that next shot will be fired immediately after you pull the trigger. To release the spring after using precocking, pull the trigger and hold it for 2 seconds, after which a second shot will be fired, this time with no precocking and fully braked.

Binary trigger – Allows for easy double shots in semi-automatic setting. After enabling this mode, if semi-automatic fire is set, shots will be fired not only when the trigger is pulled, but also when it is released.

Rate of fire reduction – Reduce the rate of fire in automatic or burst fire to save ammo or make the replica shoot in a more realistic fashion.

DMR mode – Introduces intervals between semiautomatic shots to comply with DMR rules on some fields.

Low battery voltage alarm – Dedicated for Li-Po and Li-Ion batteries. Should the battery voltage fall to a dangerously low level, user will be notified by short sound signals that are repeated every minute. This may also be freely switched on and off.

Diagnostic system – Constantly monitors the replica and the mosfet itself. In case of any problems, immediately lets you know what it might be, making troubleshooting much easier.

Electronic fuse – Will save your replica and battery in case of a major malfunction. It will automatically disconnect the battery if a short circuit or blocked motor is detected.

Programming of all the settings is done solely by using quick and easily memorable sequences of fire selector switching and trigger pulls supported by sound signals and multicolor LED diode. That allows changing the settings in any moment, in a matter of seconds, even under enemy fire. All settings are set independently for each selector position, so you can program the mosfet exactly the way you want, for example semi on semi and binary trigger on auto.

Upgrade kit works without problems with any battery from 7V do 17V. It can also be used with most extreme setups, without any limitations as to the spring rating. The maximum rate of fire is 50 RPS.