These batteries have the advanced HYBRIO last longer technology Makes these ready for use straight from the pack & offers extremely low self discharge for longer lasting usage Replaces up to a 1000 ordinary batteries that makes it the ecological & economical alternative to disposable batteries Ideal for an everyday usage in your small high tech & standard devices such as camera radio cd player torch Wii remote mp 3 player mini disc etc 80 of cell capacity left after 6 months without useage 70 after 12 months