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.
A segment in tonight's episode of Channel 4's investigative series Dispatches exposes the sale of uncertified budget climbing gear online - carabiners in particular - via the shopping platform Temu, a Chinese app with...
Podcast Mountain Air - 13. Jamie Aarons, Fastest Munroist in History