Thumb Score: +10 Amazon [amazon.com] has EGO POWER+ 56V 2.5Ah Lithium-ion Battery w/ Fuel Gauge for $109. Shipping is free. Price $90.99 lower (45% savings) than the list price of $199.99 $9.96 lower (8% savings) than the previous price of $118.96 *Previous Frontpage Deal at $110 with 25 Deal Score and 44 comments.