Lowe's offers the DeWalt 20-volt XR Oscillating Multi-Tool bundled with DeWalt 20-volt Battery for $129. Coupon code "470000000074228" cuts that price to $104 (the battery will automatically appear in your cart.) With free shipping, that's the lowest price we could find by $152. It features a wrenchless quick-change system, LED work light, and variable speed trigger.

Update: The battery is available for in-store pickup only.