That would depend a lot on the users.How long does the battery last?
But in my shop it last probably a couple weeks per charge.
The battery and the grease gun itself are great IMO.
Way better than the junk i had before from Lincoln.
It has way more power and lasts at least 4 times as long or more.
The guy at the tool store talked me out of the more expensive Milwaukee saying customers all came back saying the dewalt is the best one in their opinions.