"JohnDeRosa" wrote in message
...
On Jan 19, 2:45 am, Willy VINKEN wrote:

The BatteriesAmerica and and Batteries+ type stores have the ability
to open sealed cases and then seal them back up. They use Ultrasonic
welding to seal it back up I think??? Pretty slick.

Back when I ran a municipal radio shop, I sent sealed battery packs to various
venders for battery replacement. Don't know how they did it, but it was usually
hard to find the seam.

Vaughn