Magnus (Estes Energy) Pack Benchmark

Estes Energy Magnus battery pack image

“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

Rivian R2 Pack – 2026 Update

Rivian R2 battery pack

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

Boston Dynamics Spot Battery

Boston Dynamics Spot

Boston Dynamics are very frugal with the data they release about their products and especially about the battery packs. However, we thought it would be good to see what we can find. This will also give us another reference point for the sizing of battery packs for industrial robots. The specification sheet [1] has a … Read more

BMW Solid State Research

BMW i7 solid state

Number 2 in the article 10 things about SSBs that you are often not told is 2. Pressure – a commonly hidden problem. The image of the battery pack itself was not included in the original press article, but it is available within the images released to the press. The battery pack/module is very uniform … Read more