Lowes offers DEWALT 20-volt Variable Speed Cordless Reciprocating Saw for $159 (reg. $259) free shipping. 

Product Description:
The 20V MAX* Compact Cordless Reciprocating Saw has a compact and lightweight design for making cuts in confined spaces, like between studs. With a 1-1/8 in. stroke length and a variable-speed trigger delivering up to 2,900 strokes per minute, this saw is fast and efficient. It also features a keyless, lever-action 4-position blade clamp for quick and easy blade changes in 4 directions for a variety of applications including flush cutting and a bright LED to illuminate dark work areas.