Battery pack Stories July 4, 2016

Too good to be true? Yes, probably, but that’s what a Tesla Model S owner on Craiglist is claiming. While we will have to disagree with the owner’s definition of “minor dents and dings”, it’s not impossible to imagine how this Model S would still be able to drive – though its salvage status is evidently still well-deserved. expand full story

Battery pack Stories June 23, 2016

For the most part, Tesla’s Gigafactory has looked the same from the outside since the beginning of the year. The first phase consists of 4 sections of about 475,000 square feet for a total of 1.9 million square feet. The final version of the building, which should be completed by the end of the decade, is expected to have 13 million square feet of manufacturing and work space. It should be enough to become the biggest building on earth by footprint and Tesla plans for the factory to produce at least as much battery capacity as the entire world production of li-ion cells.

Now we learn that Tesla is planning to add a new section to the plant with an estimated completion date by the end of the year, according a building permit recently issued to Tesla. expand full story

Battery pack Stories June 20, 2016

Last year, Tesla had some troubles with the way it calculated the power output of its electric vehicles. The company had to go in mediation with over hundred of its customers in Norway and eventually changed the advertised horsepowers of the Model S P85D from 691 hp to 463 hp.

The issues mostly revolved around defining electric power in terms of horsepower and the power output being dependent on the state of charge of the battery pack feeding the car’s two electric motors. The issues have been mostly resolved after Tesla updated its advertised numbers, but since the introduction of the Model X and the ‘Ludicrous mode’, things have been more complicated again… expand full story

Battery pack Stories June 6, 2016

‘Lithium’ battery capacity degradation is one of the main concerns of electric vehicle buyers and potential buyers. Since the resurgence of electric cars is relatively recent, meaningful long-term data on large battery packs is fairly rare. Only Tesla has battery packs with a capacity higher than 30 kWh on the road in any significant number and they only have been in operation for a few years (Roadster aside).

But a few Tesla owners have accumulated impressive mileage on their vehicles and the data provides an interesting look into potential battery capacity degradation. expand full story

Battery pack Stories May 25, 2016

The fine folks at GM have given us a shiny new (OK, 500 miles) electric blue 2017 Chevy Volt to test drive for the next week. I’m keeping a diary of my experiences every day here and will wrap up the week with my conclusions. (Day 2, Day 3-4, Conclusion/Wrapup)

Day 1, Delivery and Setup expand full story

Battery pack Stories May 5, 2016

Earlier this week, Tesla confirmed that it is introducing its new 75 kWh battery pack to the Model S, like it did for the Model X last month. Now Tesla confirmed that while the option is not available now, it will be by the end of the week, and every updated Model S 70 produced since the ‘facelift’ was equipped with the new 75 kWh battery, but software-limited to 70 kWh. expand full story

Battery pack Stories April 29, 2016

BMW has been talking about introducing a higher capacity battery pack for a while now. At first, we were talking about a roughly 25% improvement on the EPA-rated range of 81 miles, which would have increased the range to about 100 miles.

Later, the increase was then said to be closer to about a 50% increase based on comments by BMW AG board member Ian Robertson. It looks like BMW is now sticking to that number and even used it to advertise the next generation, which should be made available this summer. expand full story

Battery pack Stories April 26, 2016

Tesla doesn’t like to talk about its battery cost as it complicates an already complex supply chain with several suppliers, including long-time partner Panasonic, and new ones like LG and Samsung. But the company felt the need to comment this week following a new analysis of the Model 3’s cost by Jon Bereisa, CEO of Auto Lectrification and former chief engineer of the Chevy Volt program.

Colin Langan, a UBS analyst covering Tesla for the firm, hosted a call with Bereisa to gain some insights for its financial model of the company. expand full story

Battery pack Stories April 22, 2016

Today Tesla updated its ‘Tesla Energy’ website to include a lot more information about its commercial and utility-scale products, and even added a ‘Design Your Powerpack System‘ page with pricing information and an option to directly order a system of up to 54 Powerpacks (5.4 MWh).

The smallest order you can place for the stationary energy storage system is for 2 Powerpacks costing $47,000 each or $470/kWh.  expand full story

Battery pack Stories February 10, 2016

SolarCity published its earnings for the fourth quarter and full year 2015 yesterday. The company’s stock price fell 25% following the results, mainly because of lower than expected guidance for the first quarter 2016 and a miss in installed solar capacity following its exit from Nevada, as well as difficulties completing a few commercial projects on the east coast.

On a more positive note, we learn from the company’s SEC filing that it more than doubled its battery pack business with Tesla Energy in 2015 versus the previous year, despite the market for home energy storage only being in its infancy. expand full story

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