There was a universal charger that Jessops used to sell (like, a decade ago). If it’s still available may be cheaper than OEM. Made/branded by Hama or something.
I still use a 350d, I got a pentax k adaptor to use my old lenses from my pentax me in full manual mode. Worth it for the lols and the dirt cheap old lenses which are perfectly usable.
There was a universal charger that Jessops used to sell (like, a decade ago). If it’s still available may be cheaper than OEM. Made/branded by Hama or something.