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TELWIN STARTZILLA 4012 XT 12V: Reliable Starting Power for Professionals and Motoring Enthusiasts.
Forget about starting problems at the least expected moment. The TELWIN STARTZILLA 4012 XT 12V is an advanced, multifunctional starting unit and electronic tester, designed for the most demanding professionals in the automotive and workshop trades and for enthusiasts who value reliability and top quality. Picture this: a key vehicle or machine in your workshop will not start because of a flat battery, and deadlines are pressing. That is exactly when the STARTZILLA 4012 XT steps in, delivering a powerful burst of energy that brings the equipment back to life in the blink of an eye.
Created by the legendary TELWIN brand, this model combines decades of experience in building equipment for professionals with the latest LiPo lithium technology. As a result, the STARTZILLA 4012 XT is not only extremely compact and light but, above all, offers impressive starting power, able to handle cars, vans, small boats and agricultural machinery. It is a real strongman in a miniature housing that fits easily into any workshop, service vehicle or even the boot of a demanding hobbyist's private car.
But the STARTZILLA 4012 XT is much more than just a booster. It is a smart diagnostic centre for your battery and charging system. Advanced test functions let you quickly assess the battery condition and cranking capacity (CCA) and even check whether the alternator in the vehicle is working properly. This is invaluable help in daily work, helping you avoid costly mistakes and give customers the highest level of service. On top of that, the power bank function lets you charge your mobile devices such as smartphones or tablets, which makes the STARTZILLA an indispensable companion in any situation.
By investing in the TELWIN STARTZILLA 4012 XT 12V, you invest in peace of mind, efficiency and professionalism. This unit will not let you down at a critical moment, will help you make better use of working time and will raise the standard of your services. Whether you run a professional workshop, look after a vehicle fleet or simply want to be ready for anything, the STARTZILLA 4012 XT is the answer to your needs. Join the satisfied TELWIN users and feel the difference that working with top-class tools makes.
Discover the Advanced Features of the TELWIN STARTZILLA 4012 XT 12V
ICESTART Technology: Reliable Starting Even in Extreme Conditions
The TELWIN STARTZILLA 4012 XT 12V is designed to meet the toughest challenges, including starting vehicles at low temperatures. The advanced energy management of the LiPo cells, which can be described as ICESTART Control, optimises the performance of the unit even when the thermometer drops below zero.
This system monitors the cell temperature and adjusts the current characteristics to deliver the maximum available starting power without the risk of damaging the internal battery. For a professional, this means the STARTZILLA 4012 XT will not let you down on frosty mornings, when conventional lead-acid batteries lose a considerable part of their capacity. Reliability in typical workshop weather conditions is key to keeping work going and customers satisfied, especially in sectors such as roadside assistance or servicing machines that work outdoors.
Precise Diagnostics: More Than Just a Booster
The STARTZILLA 4012 XT 12V is a true mobile diagnostic centre for the vehicle electrical system. The battery test function is not limited to measuring the open-circuit voltage. The unit can estimate the actual cranking capacity (CCA - Cold Cranking Amps), which allows an accurate assessment of the battery condition and lets you anticipate potential starting problems before they occur.
What is more, the integrated alternator tester lets you quickly check whether the charging system in the vehicle is working properly. Just start the engine and connect the unit, and the LCD display shows information about the charging voltage. For a mechanic, this is an invaluable tool for a complete diagnosis that eliminates guesswork and gives the customer a full picture of the technical condition of their vehicle. This builds trust and a professional image for the workshop.
Top-Level Safety: Protection for You and Your Equipment
Working with high currents always carries some risk, which is why TELWIN placed particular emphasis on safety in the STARTZILLA 4012 XT. The unit is equipped with a multi-stage electronic protection system that protects both the user and the delicate electronics of modern vehicles.
The key protections cover reverse polarity connection, short circuit at the clamps, overcharging of the internal LiPo battery, excessive discharge of the vehicle battery during a start attempt, as well as thermal and current protection. Smart software constantly monitors the operating parameters and, if it detects an irregularity, immediately cuts the power or signals an error. For a professional, this means peace of mind and the certainty that, even in a hurry or with less experienced staff, the risk of a costly mistake is kept to a minimum.
Technical Specifications
| Parameter | Value |
|---|---|
| Product name | TELWIN STARTZILLA 4012 XT 12V |
| Catalogue number | 829527 |
| EAN code | 8056151818027 |
| Output voltage | 12V |
| Maximum starting current (peak) | 4000 A |
| Starting current (1V/C) | 1200 A |
| Supported battery types (for testing) | WET, GEL, AGM, MF, PbCa, EFB, Li |
| Unit charging voltage | 100-240V (from the mains adapter), USB port (for the power bank function) |
| USB outputs (Power Bank) | 2x USB A (e.g. 5V/2.1A, 5V/1A) |
| Protections | Against reverse polarity, short circuit, overvoltage, too low battery voltage, overcurrent, overheating, accidental contact |
| Display | LCD (for reading parameters and test results) |
| Test functions | Battery voltage test, cranking capacity test (CCA), alternator test |
| Additional functions | High-intensity LED light (steady, flashing, SOS) |
Key Features and Benefits
- Powerful Starting Power with LiPo Technology: Modern, high-performance lithium polymer (LiPo) cells store a large amount of energy in a compact housing. The STARTZILLA 4012 XT delivers an impressive peak current, able to start many 12V vehicles, from cars with petrol and diesel engines through vans to small boats and tractors. For a professional, this means reliable operation in any situation and the ability to handle most vehicles that come into the workshop, without the need for heavy conventional starting units. This shortens vehicle downtime and makes work more efficient.
- Smart Test Functions (Battery and Alternator): The STARTZILLA 4012 XT is not only a booster but also an advanced diagnostic tool. It lets you run full battery tests (voltage, CCA cranking capacity) and check the charging system (alternator) in the vehicle. The results are shown on a clear LCD display. The mechanic can quickly diagnose the problem, avoid needlessly replacing a good battery or identify an alternator fault, which means accurate, professional customer service and savings in time and money.
- Complete Protection System: Safe use is a TELWIN priority. The STARTZILLA 4012 XT is equipped with a series of protections for the unit, the vehicle battery and the user. They cover reverse polarity, short circuit, overvoltage, too low battery voltage (protecting the LiPo cells), overcurrent, overheating and accidental contact. For the user, this means stress-free work and a minimal risk of damaging the vehicle electronics or the unit itself, even after a connection mistake.
- Power Bank Function and LED Light: Versatility is another strong point of this model. Two USB ports let you charge mobile devices such as smartphones, tablets or navigation units, which is extremely useful in the field or during longer jobs. The built-in high-intensity LED torch with lighting modes (steady, flashing, SOS) also makes work easier in poorly lit places, e.g. under the bonnet, and can serve as an emergency light. These practical extras add to user comfort and make the unit useful in many different scenarios.
- Compact and Rugged "XT" Design: The "XT" (eXtreme) designation suggests increased resistance and durability of the design, prepared for work in tough workshop conditions. Despite its high power, the unit is light and handy, which makes it easy to carry and store. The ergonomic design and high-quality materials guarantee a long service life. For a professional, this means a reliable tool that withstands the rigours of daily use and is always ready for action, wherever the job is.
Product Applications
- Emergency starting of cars with petrol and diesel engines
- Starting vans and light trucks (12V system)
- Starting assistance for engines in motorboats and yachts
- Starting agricultural tractors and construction machinery with 12V systems
- Emergency starting of motorcycles, scooters and quads
- Essential equipment for professional car workshops and service centres
- Equipment for company vehicle fleets and roadside assistance
- Power bank function at campsites, while travelling and in the field
Summary: TELWIN STARTZILLA 4012 XT 12V, Your Best Investment
The TELWIN STARTZILLA 4012 XT 12V is not an ordinary booster but your reliable partner in every situation that calls for instant power and precise diagnostics. With powerful starting power, advanced test functions and uncompromising safety, you can be sure that no flat battery will stop your work or upset your plans. Invest in technology that saves your time, protects your equipment and raises the standard of your services. Choose the TELWIN STARTZILLA 4012 XT and always be ready for action. Order today and join the elite of professionals who trust the TELWIN brand.
Catalogue number: 829527
EAN code: 8056151818027
