t238 1.9 etu for v2 gearbox
t238 1.9 etu for v2 gearbox
t238 1.9 etu  active braking

T238 ETU V1.9 Basic Type Version For V2 Gearbox

Regular price 27.97
Sale price 27.97 Regular price
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Product description

T238 Programmable Mosfet Basic Type Version 1.9 Programmable MOSFET For AIRSOFT and Gel Ball Blaste V2 Gearbox.
Adopts a high-speed processor and 2 high-power MOSFET chips,this system has many individualized programmable functions:

With binary trigger, automatic loading of gel ball magazine, overheating protection and other functions.
With gearbox stall protection.It can effectively improve the stability, response speed of the gearbox.


1. Support up to 11.1V batteries
2. Binary trigger. Put the selector in semi-auto position, pull and hold the trigger for 3 seconds will change the semi-auto function into binary trigger shooting mode.
3.Block-up protection.When gearboxBlock-up occurs, the system stops working and emits an elongated 'beep' sound. Please check the wave box immediately by power off.
4.Auto-loading function is designed for gel ball blaster magazines with motor inside, when changing the magazine, the magazine motor will run automatically for 0.5 second.
5.Increase rate of fire.this module is able to increase rate of fire,the stability of single-shot and make batteries have highter durability
6.Active braking.The energy that support the active brake function comes from the inertia of motor, stop the piston without delay. The effect of active brake is significant on high torque motor

7.Prevent gears from over-rotating.The active function prevents the over-spin of gears, this solve the issue that the single shot becomes multiple shot under high voltage. Meanwhile, the spring is fully released in semi-auto mode and parts in gearbox are not under strain, increase the life cycle of gearbox and parts.

8.ETU overheat protection.When the DTU is overheated,after the trigger is pulled,the motor will give a beep prompt until it is automatically restarted after cooling.

 Main parameters:

  • Size: 49*28*15mm
  • Operating voltage: 7.4-11.1V
  • Active break tech
  • Uses optical sensor for gear detection
  • Binary trigger shooting mode
  • Overheat protection
  • Maximum Inrush current is 300A, Maximum Brake current is 100A
  • Compatible with various Standard Gearbox V2

Package Content:

  • Electronic Trigger Unit V1.9     X1
  • T238 Metal Sticker    X1


  • This product requires soldering and wiring. It is recommended that installation is undertaken by an experienced technician. 

Shipping & Return

Most of orders from T238 are shipping from our warehouse in Shenzhen,China so the ETA for every parcel would be 1-3weeks just depend on what shipping option you choose.

The default logistics carrier of Standard shipping and freeshipping is 4PX.At some point we might change to other options like DHL EXPRESS or SFEXPRESS.For all in stock items ,the order usually will be shipped out and the tracking number updated to your email in 1-3 work days.
Track by this web: https://www.17track.net/zh-cn

Tracking number of 4PX will be like:4PX3000083060586CN;

Tracking number of YANWEN will be like: UJ052211535YP

DHL express will be like:5294919140;

SF express will be like:SF1312068180949.

Reference eta of shipment:

5-7days USA/CA

5-10days EU

7-10days AU

7-12days Asia

15-20days Other


This is to ensure our every customer to get quality products.

If one or more of the products you received shows quality issues within the warranty period, you can request for Return Merchandise Authorization. All returns are activated after getting Return Merchandise Authorization.

Procedures of our warranties:

When contacting us with your claims, please send us the video or photos that showing the issue at the same time.
We will contact you for more detailed information or response within 24 hours.
If a product is within our warranties, you may have to return it. The responsibility for return shipping fee, depends on actual problems(wrong usage or factory defect)
Warranty time:

For T238 brand products ,we have a SIX MONTHS WARRANTY


– Please check all the items’ quality within 7 days since you receive it. If there are any quality issues, please contact us

– The warranty period starts on the day the item is delivered to you.