Staples offers Staples Electric Stapler, 20 Sheet Capacity, Black (50478) for $4.93 (orig. $45.49) with free shipping.

Product Description:

Bind reports, forms and other important documents securely together with this black electric half-strip stapler. The stapler features a convenient push-button that pops out the staple compartment for easy loading, and it's an electric stapler, so you can avoid having to manually force staples through thick stacks of paper. This Staples black electric half-strip stapler can be plugged in or run on batteries for portability.

• Electric stapler stands up to frequent daily use
• This stapler can staple up to 20 sheets at a time
• Stapler holds half-strip capacity staples to minimize the need to reload
• Comes in black color and made of plastic
• Includes electric stapler and power adapter