2020 Volvo XC40 Recharge

see through rendering of Volvo XC40 so you can see the electric drivetrain

The 2020 launch of the Volvo XC40 Recharge was in FWD and AWD. The battery pack usable energy options were 67kWh and 75kWh. China vehicles use a CATL prismatic cell and the rest of the world used an LG pouch cell. This later changed with Australia also getting the CATL based design. This post has … Read more


Tesla Cybertruck

Tesla Cybertruck hasn’t been officially launched yet. It missed yet another internal Launch Target of Q3 2023. But it looks like we will start soon seeing them on the road. Tesla Cybertruck Battery pack is already being discussed in various forums. Recent Q2 Earnings call gave us the term “Cybercell” aka 4680 Gen 2. In … Read more

Battery Pack Density Fundamental Limit

fundamental pack to cell density ratio

There is a battery pack density fundamental limit and that is the cell density. Obviously, but how close can we get to that limit? The following plot shows the pack gravimetric energy density plotted versus the cell gravimetric density. Added to this dataset is the fundamental limit. If we calculate the ratio of this we … Read more

2021 BMW iX3

BMW iX3 vehicle in CAD

The 2021 BMW iX3 was the first electric vehicle off the BMW Gen5 battery system. We see 10 modules with double stacking under the 2nd row seats. The HV distribution and BMS are all located on top of the rear modules. Cooling pipes run through the centre between the modules and all of the HV … Read more