Anyone sourced alarm (keyfob) batteries?
  Tried my nearest big bike shop (Fowlers) today. No joy, but the suggested I tried Maplins, the elctronics place. 
 Very Nice Man in Maplins most helpful, but despite an impressive looking stock of batteries, they didn't have the right ones. They're the round, watch-type. 3 volts, I think he said. He told me it's a 1220. It's for a Meta 357. 
 He ended up saying, try Radio Spares, but you'll have to buy a pack of ten 
   Going to try a few jewellers tomorrow. I'm surprised th3y seem so hard to get hold of.
 What's other posters' experience?