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
Why should you have your tester calibrated?
August 28, 2026
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You use your battery tester to decide whether you need to charge, replace or return a battery to service. You need to trust that decision. ...
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Why do you need a specific charger to maintain lithium batteries?
August 21, 2026
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A 12v lead-acid battery and a 12v lithium battery may perform the same job, running your vehicles’ auxiliary systems. However, they don’t accept charge in ...
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What is system noise during a battery test?
August 14, 2026
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You connect your battery tester and start the battery test. It all seems to be going okay. But then, instead of the usual result, the ...
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What is battery sulphation and can you reverse it?
August 7, 2026
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You test a battery and find low cold cranking amps (CCA). You charge it, but the voltage rises too fast. The battery appears full, yet ...
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How to handle battery maintenance for emergency fleets
July 30, 2026
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A flat battery in a normal car causes inconvenience and delay. In a 999 fleet, it removes a vital frontline asset from service. A vehicle ...
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Midtronics testing jargon buster
July 21, 2026
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Battery testing should give you a clear answer. However, the words on the battery label, tester screen or printed result might make that answer harder ...
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