AA batteries are becoming less common amongst photographers as they once were as more flash systems switch to lithium-ion power solutions, but they haven’t disappeared altogether. Many devices do still require them, though, and so photographers and filmmakers still use them.
Some photographers opt for something like regular Duracell Alkalines because they’re just less hassle, but a lot go for rechargeables. How good are rechargeables over the long term, though? YouTube channel Project Farm has been abusing a bunch of different brands of AA battery over the last year, and now they’re taking a look to see which ones have withstood the test of time.