The odds are that the two 12-volt batteries in your 24-volt system came in pairs. A technician probably installed both on the same day. They’re likely the same brand, and they should be exactly the same spec. But by now, they’re very rarely in the same condition as each other. Here’s what you’re almost certain
What is battery balancing and what does it achieve? Read More »
The battery packs in your EVs are made up of hundreds (and in some cases thousands) of individual cells connected in series. The more cells connected, and the higher the voltage of each cell, the higher the overall pack voltage, which powers the vehicle. However, keeping all those individual cells balanced – meaning each cell
What is passive top balancing and how does it work? Read More »
Electric vehicles (EVs) store chemical energy in their battery packs, which is then converted to electrical power to drive the wheels. These battery packs are complex assemblies of hundreds of individual cells working together. When all these cells are balanced (that is, they all have the same state of charge and state of health), your
Can battery balancing optimise my EV’s performance? Read More »
Rotronics Technical Service Manager, Lewis, has been competing yet again in the Focus Cup. Lewis has won the Focus Championship Cup for two years running and is fighting to take this year’s trophy however, this year is slightly different. In previous years, Lewis has been racing in a modified Ford Focus Zetec but this year,
Mid Season Update: Lewis has the Championship Cup in his sights Read More »
At the start of June, we attended Automechanika Birmingham 2025! The bi-annual trade show brings together some of the largest, most influential brands in the automotive industry, showing off everything from workshop equipment to online systems to advanced battery maintenance tools. With over 15,000 people expected to visit the show from all different areas and
Automechanika 25 Survey Results Read More »
Every two years, over 550 brands from all areas of the Automotive industry travel to the NEC at Birmingham to show off their latest products and meet new and existing customers. For Rotronics, this is the event of the year! This year over 15,000 people visited the show and we had a great time welcoming
Automechanika 2025 Read More »
Batteries don’t usually fail all of a sudden. They wear out slowly, often without warning, until one day the engine won’t start. Every fleet has dealt with the unexpected non-starter on a tight schedule. But what if you could predict battery lifespan more accurately, get replacements lined up in advance and significantly cut downtime? How
How many years should a vehicle battery last? Read More »
Vehicle battery problems often aren’t just about low charge. Most of the time, something inside the battery is wearing out or failing. That’s why knowing how battery testing works helps you spot problems faster, especially when you already know your vehicles and how they’re used. This guide explains the main types of battery testing, what each one
How do vehicle battery testers work? Read More »
A truck engine in your fleet doesn’t start. The driver’s already behind schedule. There’s pressure to find the fault, fix it fast and get back on the road. And it’s not even the first tea break on Monday. As you know, the battery is more often than not the problem. But before you jumpstart it
Battery chargers vs testers – what’s the difference? Read More »
You know the drill. Your parcel delivery driver gets stuck outside a countryside farm. Your bus has to let all its passengers off. Your ambulance won’t start. The consequences are immediate and severe, and it all comes down to a dead battery. But here’s the kicker: most battery failures are preventable. In fact, the right
A complete guide to vehicle battery starters, chargers & testers Read More »
