Battery Testing and Charging Solutions Approved by First Bus
12V & 24V battery testing and diagnostics designed specifically for heavy duty fleet users
Battery Testers
Accessories & Replacement Cables
Powerful diagnostic charging designed specifically for 12V & 24V applications
Battery Chargers
Accessories & Replacement Cables
Access your ROBIS dashboard to monitor technician compliance, view actionable insights and make informed decisions.
Get in touch with our dedicated Midtronics Authorised Service team for repairs, calibration and support.
Find manuals, information sheets and keep up to date with the latest advice
Battery Tips
How does temperature affect battery performance?
May 29, 2026
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You’re likely familiar with cold temperatures reducing battery performance. Winter is the stereotypical time for non-starts. But did you know that much of the damage ...
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How does battery balancing affect battery life?
May 22, 2026
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Battery balancing affects battery life in 24-volt systems because it changes how evenly the two 12-volt batteries respond to load and charge. In your fleet ...
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EV battery consistency and balancing: a complete guide
May 15, 2026
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Your fleet’s EVs rely on hundreds of individual battery cells working together as one high-voltage traction battery pack. In an electric car or van, the ...
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Battery type breakdown: Your ultimate guide
May 8, 2026
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Battery type breakdown: Your complete guide Battery type breakdown: Your complete guide Choosing the right battery type and using the right testers and chargers can ...
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What’s the point of tracking battery test results?
April 24, 2026
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Does your car, van or truck depot already test batteries on a regular basis? Yes? Good. But how does it track and compile the results ...
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What is system testing and what does it reveal?
April 17, 2026
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All too often, fleet technicians are forced into rushed reactive repairs when a car, truck or bus won’t start. A quick voltage test usually reveals ...
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