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Automatic Voltage Regulator MST-70 for BMW/Benz ECU programming & coding

Item No. AD18
5 stars, 1 reviews.
Manufacturer: MASTER
Out of Stock
Retail price:€399.00
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Estimated delivery time: 3-5 Days.See details »
39cm*32cm*19cm      ( Inch:15.35*12.6*7.48 )
Return for refund within 30 days,buyer pays return shipping.Read details »
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New Automatic Voltage Regulator MST-70(14v/80A) useful for BMW and Benz ecu programming & coding.

Automatic Voltage Regulator MST-70

This one has stopped production, you can choose item number AD61 master MST80
MST-70 Automatic Voltage Regulator delivers cost-effective and high quality power protection for many applications and prevents equipment damage from voltage fluctuations and transient surge.

Often times, it takes too long time to do vehicle ECU programming, the battery voltage usually is lower or higher than standard values due to electricity instability which might result sudden disruption during programming and cause damage to Vehicle ECU.
MST-60 is birthed from our customers' needs for safe vehicle ECU programming for BMW, BENZ and other brands of vehicles. By adopting industrial standard, frequency transformer switching power supply and intelligent power charge technologies, Not only it can be used for vehicle ECU programming, but also can be used for many other types of UPS (Uninterruptible Power Supply System) equipments. It regulates the output voltage and current with over-charge and over-heat protection and current adjustment.  It can prolong the lifespan of the battery drastically and enables battery charge to the full automatically if it’s used for battery charge.


1.Regulates output voltage and current.
2.Protects from over-voltage, over-current and over-temperature with voltage and current number reading indicators on the equipment and over-temperature indicator.
3.Enables automatic and safe vehicle ECU programming.
4.Prolongs battery lifespan and Enables battery being charged to the full if it’s used for battery charge.
5.Can be used unattended and fully automatically

Range of application:

1.Cars:regulate battery voltage during programming for BENZ & BMW etc. premium cars
2. Electromotor bike
3. Electrics screen
4. SPC exchange
5. Broadcast transmitter
6. Communication work station
7. UPS
8. Battery and Power supply system

Main parameters:

1. input voltage: AC220V±15%, or AC110V±15%
2. Max. output voltage: 14V
3. Max. output current: 80A

Product specification:


Shipping and delivery Attention: 

Flat airmail: 7-18 working days on the way. For remote area or holiday, need more time.

DHL: For MOST non-free shipping goods, default shipping method is DHL. Need 3-5 working days on the way after dispatch the goods.

YANWEN Express: 7-14 working days on the way, no need to pay tax for most european counties.

EMS: 6-10 working days on the way. To Russian only send by EMS. For some remote area, if you do not want to pay remote fee, we can send it to you by EMS too.

Aramex: 4-6 working day. To most middle east counries. If you do not like this shipping method, please leave message on your order.

If you needs YANWEN express shipping or other shipping method like UPS, TNT, FedEx and so on, or you have special needs for your order, such as declared name and so on, please leave message on the order to notify us. Otherwise we will send the order as our usual practice.
As different country has different import policy, sometimes we will change the shipping method based on the counties and goods.
When you get the parcel, before sign for acceptance, please check the package to make sure the product is correct and no damage. 

After sale service:
Any question you want to know or issue on usage. Please send email to sales@obd2express.co.uk. Please give us your detailed description, or error photo. We will provide the solution or solve it for you by teamviwer. For some special function, you can take the photo or video and send us to check if you operate it rightly.

For any question, please contact us at:

facebook: Jean Clinton

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