A: The model number for the hard kit box is N153976.
A: A 7 1/4 blade would not be compatible with this saw.
A: We haven’t had any problems. Ours does a great job
A: Please contact us at WECARE@SBDINC.COM so that we may assist you further with this matter.
A: Yes, as long as the chainsaw is a 20V.
A: From what I see online, it looks like the DeWalt chain saw would run with your batteries. “Part of the 20V MAX* system of tools” It looks like yours are the 1.3 amp batteries. You may need to be switching/charging batteries often. A battery with a higher amp rating would give you a longer run time.