Get Two Ryobi Batteries and a Charger For Under $100! - Pro Tool Reviews
18V ONE+ 4.0AH High Capacity Battery - RYOBI Tools
RYOBI ONE+ HP 18V Brushless Cordless 10 in. Sliding Compound Miter Saw Kit with 4.0 Ah HIGH PERFORMANCE Battery and Charger PBLMS01K - $161.52 w/hack, $269 at Home Depot