FYI, Porter Cable 20V Max and 18V Tools and Batteries are NOT Cross-Compatible
PORTER-CABLE 32-Piece 12-volt Variable Speed Oscillating Multi-Tool Kit with Soft Case (2-Batteries Included) in the Oscillating Tool Kits department at Lowes.com
PORTER-CABLE 1.3 Amp-Hour; Lithium Power Tool Battery (Charger Included) in the Power Tool Batteries & Chargers department at Lowes.com