PORTER-CABLE 8623 12-Volt 2.0 Amp Hour NiCd Slide Style Battery For 12-volt tools excluding drill model 9822, allowing users to run multiple tools off of the same battery pack High capacity 12-volt battery delivers 18% more runtime than standard batteries 12-volt NiCd Battery powers Univolt tools 2.0 amp hour capacity provides more power and longer run time Weighs 1.8 pounds shipped