4 Articles

2011 Nissan Leaf – Click above for high-res image gallery

We know that General Motors has the largest battery lab in the world, one that's capable of carrying out all kinds of scientific tests, but that's a little boring, if you ask us. If you want to test a battery's durability, do you really need fancy lab equipment and sophisticated computers? Or can you just use a few household items, a swimming pool, bullets and a lot of time? Maybe it's time to ditch the lab coats, fire up the oven and learn how battery testing is really done.

Tesla Motors has passed another milestone on the way to Job 1 for their Roadster. The battery pack (or Energy Storage System as Tesla likes to refer to it) has passed the UN and UL 1642 testing criteria. The tests evaluate several areas include shock and vibration, altitude simulation external shorts and temperature cycling to ensure that the pack is safe for both transportation and use. The batteries have been extensively tested on both an individual cell basis and as an integrated pack. Tesla

digg_url = 'http://digg.com/hardware/Hybrid_car_batteries_need_a_lot_of_testing_Here_s_how_GM_does_it'; As part of the recent battery technology briefing at the General Motors Technical Center, the attendees were taken on a tour of the hybrid battery test lab. Our group was taken through by lab manager Doug Drauch, who gave us an overview of the activities that take place in the lab. GM has four phases of battery testing with the first phase focusing on individual cells and their performance.