from chemistry to pack
“What are the benefits of a Magnesium battery pack enclosure?” arrived in my inbox with a link to the Estes Energy website. That got me looking at this particular design as a benchmark and also more generally about the use of magnesium as a structural material within the pack design. This post has been built … Read more
An update on the Rivian R2 battery pack, now we have more information and more hard data. Trouble is the 2024 Investor Day R2 data left out a lot of the detail and the CEO updates in 2025 (Rivian R2 Pack – 2025 Update) were a little bit confusing. Time to again see if we … Read more
We have already looked at the BMW iX3 Neue Klasse Battery and the BMW Gen6 EV Battery Technology behind it. The second Neue Klasse model, the BMW i3 (badged NA0, reviving the i3 name for an all-electric 3 Series), uses the same Gen6 battery system, so this is really a companion piece rather than a … Read more
The 2026 Mercedes-AMG GT 4 door Coupe battery pack details have been released, well, quite a few of them. We know the cell is 26mm in diameter and 105mm high. We also know the volumetric energy density is 732 Wh/litre. That then gives us: Cell nominal energy = 40.81 Wh We know that there are … Read more
The fourth generation of Formula e has made some significant changes to the specifications. Maximum power increases to 600kW and regen up to 700kW. We should note though [1]: The minimum weight has also increased significantly over the last generation. But what do we know about the battery: This post has been built based on … Read more
We asked Google Gemini to analyse the Battery Pack Database 1.3.06 (released 27 April 2026) and this is the summary: The analysis of the battery pack data reveals several key relationships and trends in battery technology, particularly within the electric vehicle (EV) and energy storage (BESS) sectors. Key Takeaways This post has been built based … Read more
More images are now available of the 2026 Tesla Semi Battery and hence we thought we should create an update from the original 2022 Tesla Semi Specifications. Spec Standard Range Long Range Range ~325 mi ~500 mi Energy Consumption 1.7 kWh/mi 1.7 kWh/mi Fast Charging Up to 60% in 30m Up to 60% in 30m … Read more
The 2025 Porsche Cayenne EV Battery is an interesting design that uses LG Chem pouch cells and as such sticks with a modular based design. The power electronics are arranged in an enclosure that is fixed to the top rear of the pack, a very traditional approach. Metrics This post has been built based on … Read more
A look at the Formula 1 battery rules from 2014 to 2026 is interesting as this is the pinnacle of automotive racing. Having made their debut in 2014, F1’s first genuine generation of hybrid power units took the sport to new levels. Formula1.com 2014–2015 Regulations With a usable capacity of < 1.11 kWh 1 MJ … Read more
eUSRacing is a multidisciplinary team of students from the University of Seville, Spain. We design and manufacture an electric motorbike prototype for MotoStudent, a competition where universities from all over the world compete to build the best motorcycle for a MotoGP-style race at the MotorLand Arag´on Circuit. Engineering, marketing, and business students join forces with … Read more