|October 10, 2016
2015 letter word on Sony's production plans for the US18650 VTC4 and the US18650 VTC5
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Our VP of Sales spent a lot of time and energy trying to find someone at Sony that could tell us the status of the US18650 VTC4 and VTC5 batteries.
He was successful, but the news is bad. Here is the copyrighted response:
Thank you for your inquiry.
It is very unfortunate that Sony would cancel the production of these cells, since they have been shown to be the highest performance high discharge cells ever made. However, they are a big company and have recently had an estimated $300 million dollar recall due to safety concerns. This may be why they decided to close this production line, since it is the most extreme battery they made.