Swingline 42115 Swingline Personal Electric Stapler, 15 Sheet Capacity, Platinum Personal electric stapler with 15-sheet capacity and safety shut off. 15-sheet electric stapler delivers unobtrusive flexibility and quiet operation. Reliable motorized mechanism provides extra-quiet, long-term performance. Powered by an AC adapter or AA alkaline batteries for go-anywhere versatility. Low battery indicator for in-the-know confidence.