I would assume its a proprietary size, even though it fits in a 3xAAA slot.
Don't be a tight arse... its 25 quid! Buy a Chinese Amazon-special head torch if you find 25 quid too much for a high quality and innovative torch battery.
The Irish Government today announced the creation of a new National Park, the country's eighth. Located on the Dingle Peninsula, Páírc Náisiúnta na Mara, Ciarraí includes the rugged Conor Pass, the unique island of Sceilg Mhichíl, and Mount Brandon, one of...