cordless grinders are not so good in my opinion. they lack the power of the corded versions. not really worth it considering you will pay more for a lesser tool
Seriously love these grinders. I've had mine over five years with a good blade it copes with anything and everything I've ever thrown at it, mostly porc and trav. on a full charge you get a lot of cuts and I was skeptical before I used one , I'm thinking of getting another to have my 85mm wheel in all the time. portability and not triping over leads all day is the main reason