Originally Posted by
carl n 1977
Most of them have a small watch battrey inside you have to strip then down to find it mate
I've been looking on the net and you tube on how to change them. I've also seen it might need leaving in the sun for a day or two to try and recharge the battery. It's only around two years old so the battery shouldn't been knackered and it says you should store it in the bag provided which I have.