New Energy Micro Lithium CR2320 same as BR2320 3 volt 120 mAh. 2 Packs of 5 batteries. Coin Cell blister pack of 5 Tear-Strip non rechargeable primary batteries. The dimensions of the battery are 23mm diameter x 2mm height.
The USPS announced 5.16.12 10 AM EST No international shipments of any lithium batteries are allowed. Please do not order if you are outside the USA.
This is from the American Watchmakers-Clockmakers Institute 1998-2000 Edition Handbook on Battery Number System. This Battery is cross-referenced as: AWI L26, Lith-30, Energizer ECR2320, Maxell CR2320, Panasonic CR2320, Rayvo CR2320, Renata CR2320, Sony CR2320, Toshiba CR2320, Varta CR2320, IEC CR2320, DL2320, BR2320, KL2320, L2320, ECR2320, KCR2320, E-CR2320, KECR2320, L26.