Porter-Cable 20V Max 16 Gauge Finish Nailer | PTR- porter cable nailer 20v battery ,25/5/2016· The Porter-Cable 20V Max 16 Gauge Finish Nailer took a while to come out compared to some of their closest competition, but the results of their efforts are certainly positive. Cordless nailers have really picked up momentum in the last year. Even models by ...Porter Cable PCC790LA - Nailgun GuideIn Case of Porter-Cable PCC790LA, we got consistent depth for 18 gauge brads till battery last when powered by 20V Max lithium battery. The kits comes with 1.5Ah PCC680L Battery and PCC691L Charger that can full charge in in 65-200 mins. We did not find any low batt indicator on the nailer.