We are honored that our battery test equipment was used to test the effect of lithium battery crush and nail penetration. This batch of machines is already the old machine. We have improved more on the original basis, making our machines safer and easier to operate.
The site is https://www.cnet.com/news/the-lithium-ion-battery-that-didnt-explode/#
The old crush and nail penetration tester:
The new crush and nail penetration test equipment: