125A Traction Control Battery Support Unit
125A Traction Control Battery Support Unit

125A Traction Control Battery Support Unit

Regular price £2,090.99
Tax included. Shipping calculated at checkout.

Diagnostics, Reprogramming, ABS Brake Bleeding

BSU2-125B provides a stable voltage and up to 50 amps of fully regulated power to prevent loss of charge and damage to the battery. BSU2-125B can be used with any 12V automotive battery including AGM and GEL. When the battery is charged the BSU is a regulated power supply to sustain accessory loads and offset parasitic drain. Designed for use in the workshop and compatible with most diagnostic trolleys. Reverse polarity protection. Output current display. Supplied with 5M IEC power lead and 5M output leads.

> BSU2-125B provides a constant voltage to prevent loss of data and possible damage to control units during software updates, and module reprogramming as well as diagnostic processes when in a Key On, Engine Off state.
> During diagnostic or programming operations, the vehicle's systems are operating solely from the battery. Maintaining battery charge during this process is critical.
> The status of BSU2-125B is indicated simply by three LED's POWER, POLARITY, DEMAND. When all 3 are illuminated, BSU2-125B is supporting the battery.
> Designed to be wall, ramp or trolley mounted the BSU2-125B has been designed to meet the needs of the high power consuming vehicle.
> Approved by Jaguar & Land Rover.

Input - 90 - 260VAC
Output - 13.4V up to 125A continuous
Size - 300 x 184 x 124mm
Weight - 8kg

Did you know we have 3 branches in the UK that offer a full fitting service for all of our parts and accessories?

As a 4X4 Specialist, we can offer fitting and customisation for all makes and models of 4X4, including Land Rover, Toyota, Ford, Jeep, Mercedes and many more. 

Get in touch with us today for a quote on fitting!

Established in 1973, Douglass Motors has always been a family business devoted to providing a high-quality service to its customers, along with supplying quality vehicles and replacement parts.


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Douglass Motors started services in a Series 1 Land-Rover. Since our inception, Douglass Motors has grown from a 1-man mobile workshop, to a well-established family business specialising in Sales, Service, Repair and Preparation of all Land Rover and 4×4 vehicles.

Having driven and serviced Land-Rovers of all varieties for many years, the team at Douglass Motors have built up a vast knowledge and reputation that has brought us custom from around the world.

Our Vehicle Sales Department offers a wide range of quality Land Rovers and 4×4’s, all prepared and serviced to a high standard in our own workshops. Many of our vehicles we have sourced from our existing clients, so we know the history of the vehicle we are selling. With regularly changing stock, and a knowledgeable team, we will be able to source a vehicle which suits your needs and expectations.

Our professional, honest and trustworthy team are always on hand to deliver the level of service we have prided ourselves on since the beginning of Douglass Motors.