eBay: Milwaukee M18 FUEL 18V 7/8-Inch 5.0Ah Cordless Hackzall Kit

Cuts up to 50% faster than competitive one-handed recip saws
Up to 4x lower vibration for smooth cut starts and one-handed control
Compact and lightweight design allows for easier cutting in tight spaces or overhead applications
POWERSTATE Brushless Motor: Increased cutting speed and power through the toughest applications
REDLINK Plus Intelligence: The most advanced system of cordless power tool electronics; provides optimized performance and overload protection using total sysem communication between tool, battery and charger
REDLITHIUM battery technology: Superior pack construction, electronics and performance deliver more work per charge and more work over pack life than any battery on the market
One-handed design provides superior control and versatility over standard reciprocating saws