I tried a few Google searches, to keep perspective....
exploding e-cigarette .... About 805,000 results
exploding electric toothbrush....About 53,800 results
exploding cell phone .... About 1,820,000 results
exploding flashlight .... About 9,570,000 results
exploding laptop .... About 4,760,000 results
exploding electric car .... About 517,000 results
One fun result...Chevy Volt fire explodes into federal investigation of electric car safety
Yeah, that's about what I was going to post. Just recently a Samsung phone exploded, but you don't see everyone throwing out their phones because they might explode.