The BAT-6LF22/P-B1 is a 6V Alkaline (non-rechargeable) Battery from Panasonic. It is a low self-discharge battery, meaning it can be left unused for longer periods of time and will still be able to maintain up to 85% of its original charge. It also has a reliable design and long shelf life, making it a great choice for powering low and mid-level electronics. The BAT-6LF22/P-B1's specific dimensions are 12.5mm x 25.2mm and it has a nominal voltage of 6V and nominal capacity of 22mAh.