Canon’s own proprietary LP-E6NH battery used in popular cameras such as its EOS R5 Mark I and EOS R6 Mark II costs a cool £119.99, so the costs can really stack up quickly if you require more than one ...

Today, many of these have been replaced with rechargeable batteries, but there are still some uses for the good old-fashioned AA battery. They still power most TV remotes and while cameras have ...