Ordered a Panasonic battery for my G1 from
http://www.newworldvideodirect.com/
and they called to say that they were back ordered. They offered a 1500ma battery but I said that I was worried about incapability. I was told that the battery manufacturer had the chip and that it would work.... well guess what...
no worky.

Be advised to stay away from...

http://www.newworldvideodirect.com/