Managed to find a bit cheaper battery, has the same number as my dead ones, so I think I'll give them a try first. I'd rather not spend the extra money unless I got to at the moment.
https://batteries.factoryoutletstore.com/category/findercategorylist.aspx?category_id=0&search_term=Milwaukee+48-11-1950+^replacement_power_tool_battery^&cid=201535&chid=1&campaignid=311630075&adgroupid=22963578875&creative=114733149155&targetid=kwd-35366569552&matchtype=b&device=c&network=g&gclid=EAIaIQobChMI-sfdstaT3wIVzUoNCh3KJwKtEAAYASAAEgI4UvD_BwE
Appreciate the help everyone.