Bosch CORE 18-Volt 6.3Ah Lithium-Ion, AMP 6.3Hrs Includes Fast Charger 1,440-Watt of Power $45

Great battery for you power tools. Usually goes for above $100.
Limit 5 per household; usually limited to 1 at this price!
Price Good Through 9:00 PM PST 04/24/2019
https://www.frys.com/product/9633013