I'm looking for advice on which battery works best for a roofing nailer. I have a bunch of standard M18 5.0 batteries, but I'm wondering if I should only go with high-output batteries for the best performance. I worry that a 12.0 will be too bulky, but maybe an 8.0 might be a good middle ground. I've seen that they recommend a 3.0 high-output battery, but if a 6.0 high-output can give me more run time without being too heavy, that would be ideal. For some context, I do renovation work and only take on smaller roofing jobs occasionally. I dislike using air tools and prefer to avoid the hassle of cords or needing power from the homeowner or a generator. I frequently use my M18 brad nailer with a 5.0 battery without issues regarding weight. Any insights would be appreciated!
3 Answers
I’d suggest going with a 3.0 battery and just keep an extra one handy for quick swaps. Most kits come with either a 2.0ah or 3.0ah battery. It should work fine for lighter tasks like siding, but for roofing, you'd likely want something that can handle the bump fire better.
Yeah, I feel like a 3.0 is enough for recycling nails slowly but not sure about heavy-duty projects.
I’ve been using the 6.0 Forge battery with my roofing nailer, and it's been fantastic! No fatigue even after long sessions, so I’d definitely recommend it if you want something reliable.
Thanks for the input! That's good to hear about the comfort level.
For weight and storage, the 5.0xc is pretty solid. It might get a bit warm if you’re really pushing the nailer, but nothing too worrying. Honestly, a 3.0HO is only slightly lighter than the 5.0xc, but if you're concerned about performance, both deliver well. Just steer clear of the 12HO on a nailer; it’s overly bulky and not worth it in my opinion.

Gotcha, have you used larger batteries? Curious about the performance.