Here is youir answer on the 1930Mah superbattery... Absolute fake. You can order them in batches of hundreds from China via Alibaba. They have BL-5C, BL-6C, BL-4C, BP-6M, so on... Amazingly they are ALL 1930Mah and they are all Made in Japan but Manufactured in China. Hit the link below:

http://bestmpa.en.alibaba.com/produc...ile_Phone.html