RYOBI 40-Volt 16 in. Lithium-Ion Cordless Walk Behind Battery Push Mower with 4.0 Ah Battery + Free shipping $179

Home depot. Free Shipping.
http://www.homedepot.com/p/Ryobi-…/206481620
Includes: 4.0 Ah 40-Volt lithium-ion high capacity battery
16 in. deck and 2-in-1 for mulching and bagging
5-year limited warranty; 90-day no risk satisfaction guarantee