Greenworkstools.com 80v 4Ah Battery $127.73 80V 580 CFM Brushless Backpack Blower (with battery and charger) $149.76 Free Shipping

Greenworks Tools has a great deal on their 4Ah battery for $127.73. They also have their backpack blower , which includes a 2.5Ah battery and charger, for $149.76. This is only a few dollars more than the backpack itself .
Lots more tools on sale here .
For comparison, Amazon sells the 4Ah battery for $239.95 and the backpack blower kit for $341.52.