MST-90+ Voltage Regulator Stabilizer Use for ECU and ICOM Programming Dedicated Power supply 14V/100A

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41cm*31cm*23cm ( Inch: 16.14*12.2*9.06 )
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Product Description

MST-90+ Voltage Regulator stabilizer can Input voltage 220V, Output Voltage14V/100,with Extensive protection functions can applicable models: V-olvo, Porsche, V-olkswagen, A-udi, B-MW, M-ercedes-Benz,Etc.
MST-90 Auto Voltage Regulator stabilizer use for ECU Programming Dedicated Power supply
  • Input voltage 220V only, Output Voltage 14V/120A. 
  • Applicable models: V-olvo, Porsche, V-olkswagen, A-udi, B-MW, M-ercedes-Benz, G-eneral Motors Etc.
  • Note : please don't start the engine during the process of power charging to the vehicle to avoid damage to the device caused by adverse charging 
MST-90 Auto Voltage Regulator stabilizer Functions:
  • Smart vehicle Program
  • Charging dedicated power
  • High temperature alarm.
  • Intelligent charger for motor vehicles starter battery
  • Short circuit and reverse polarity protection
  • Extensive protection functions and self-protection functions
Automotive Programming Dedicated Power Output Characteristics
  • DC voltage: 14.5V
  • Rated current: 0-100A
  • Rated maximum power: 1500W
  • Ripple and noise: 100mVp-p
Automotive Programming Dedicated Power Input Characteristics
  • input voltage: AC220V±15%, or AC110V±15%
  • Frequency range: 40-60HZ
  • Power Factor: 0.95
  • Efficiency: 85%
Automotive Programming Dedicated Power Protection Features
  • Overload: 90-110% of rated output power
  • Output voltage/ A : 14V /120A
  • Working temperature: -40°C±85°C
  • Safety: UL60950, TUV EN60950-1
  • Withstand voltage: I / P-O / P: 3KVAC I / P-FG: 1.5KVAC
  • Insulation resistance: I / PO / P, I / P-FG: 100M Ohms, 500VDC/25 C / 70% RH
  • EMC: Complies with EN55022, EN61000
How to use MST 90+ Programming voltage regulator 
How to use MST-90
Package List:

MST-90 120A Automotive Voltage Regulator Stabilizer package
MST-90 120A Automotive Voltage Regulator Stabilizer 1
MST-90 120A Voltage Regulator Stabilizer back side
MST-90 120A Voltage Regulator Stabilizer 2

 Shipment Option and Delivery Time In

 1. Shipment from Shenzhen/ Hongkong warehouse 

 1)DHL Shipping and Other Express Service:
  • Take About 5-7 working days
  • DHL will be the default delivery method
  • To help you clearance we will declare a lower price on the invoice to help clearance.
  • If address is remote area, you need pay remote freight 35 USD or we will ship by Normal Post or Yanwen/EMS/Aramex Express.
  • For some eu countries, there might be customs duty problem, if you have any special rquest on this, you can email to inform us your suggestions.
 2)Yanwen Express: 
  • Take About 7-10 working days,No Tax Problem
  • Usually No Tax for European Countries or Remote Area . The tax was pre-paid, when package reached, there's no tax no extra fee for customers.
  • Due to high custom tax in European Countries,Like Germany, Greece,Romania,Sweden,France,etc, we will use Yanwen express as first option, if you will need faster DHL shipment, please contact us ,thank you.
 3)Normal Registered Airmail Post way
  • Take About 10-16 working days, Sometimes will be 20 days. 
  • Registered Airmail Includes Netherlands Post, USPS Post, Singapore Post, Hongkong Post, etc
  • Order amount less than 150USD, and package weight less than 2KG will be sent by Registered airmail. 
  • But if you feel it is really slow, and want us to send by DHL, you can choose "Premium Delivery" and pay for the extra shipping for express service. finally we will send it by DHL. 
 2. UK, EU Warehouse Shipping: 
  • UK Customers Check: Ship from UK
  • EU Customers Check: Ship from Czech, it's ok to ship to all the EU countries.
  • Take About 3-7 working days, Free TAX, faster shipping with cheaper price. 
  • If US/UK Stock was sold out, your order will be shipped from China via DHL or YANWEN(No Tax).
  • Because of the UK Brexit and Pandemic, UK warehouse can't ship to other EU countries at present.
  • EU Warehouse was located in Germany/Czech and it only can ship to EU country: 
    Germany, France, Spain, Netherlands, Finland, Sweden, Austria, Belgium, Bulgaria, Croatia,
    Czech Republic, Denmark, Estonia, Greece, Hungary, Ireland, Latvia, Lithuania,Luxembourg,
    Malta, Poland, Portugal, Republic of Cyprus, Romania, Slovakia, Slovenia,5-7 DaysRoyal Mail/ DHL
After-sale service:
  • We can offer you lifetime customer service and tech support.
  • If you have any problems, please provide error image or video to show the problem, and kindly describe it in detail;
  • Technician will try their best to help you solve the problem. If there are no solutions, you can return for a refund or get a new one for replacement.
For any question, please contact us at:
  • Whatsapp:+86 18054815707
  • Email:
  • Skype:
  • Hot line: +86 18054815707
  • Accepting bulk purchases, We can Offer you wholesale price
  • We are the agent for many original brand such as Autel, Xhorse, OBDstar, VXdiag, XTOOL,Launch,CGDI, Yanhua ect. OBDII tool online supplier
  • Accepting bulk purchases, We can Offer you wholesale price.
  • is a OBDII tool online supplier providing best-quality ECU chip uning tools, car diagnostic tools, OBDII Code scanners, car key programmers, heavy duty scanners, locksmith tools etc. 
  • Besides, we are the agent for many original brand such as Autel, Xhorse, OBDstar, VXdiag, XTOOL,Launch,CGDI, Yanhua ect.

Tech support

MST 90+ Auto Voltage Stabilizer for ECU Programmer User Manual
The black line is connected to the negative pole
The red line is connected to the positive pole
MST 90+ Auto Voltage Stabilizer  1

Connect the charger power supply input line and battery charging line,
Turn on the power supply
The four indicator lights (ALARM, WORK, C-ERR, WARN) under the MST 90+ will flash at the same time once then go out together.
how to use MST 90+ Auto Voltage Stabilizer  1
how to use MST 90+ Auto Voltage Stabilizer  2

If the MST-90 device does not detect the battery or the connection is incorrect, it means there is no voltage output.
For this situation, you should connect it to the battery (or press the FORCE START button).
When the [WORK] indicator light is on, it means the MST 90+ works normally.
how to use MST 90+ Auto Voltage Stabilizer  3
Turn off the power at the same time, the ALARM and WARN indicator light will be on with the sound di di di.

The output voltage is adjusted by the long press [MODE] button for 3 seconds.
Press the [FORCE START] button to increase the voltage
Press the [MODE] button to reduce the voltage
When the adjustment is completed, press the [MODE] button for 3 seconds, and it will exit the voltage regulation.
how to use MST 90+ Auto Voltage Stabilizer  5

Using tips:
1. Please use 10A or above of the power supply socket connected to the MST 90+ equipment. Please abide by the general rules of the safe use of electricity. A power supply socket with a ground wire must be used.
2.Verify that the connection between the positive and negative poles is correct when connecting the clip cable to the battery or vehicle.
3. After charging the wire into the connector, please tighten the right and ensure that the connection is reliable and then turn on the power switch.
4. The machine has high pressure, non professionals do not operate, so as not to shock.
5.This charger is only suitable for 12V lead-acid battery charging.