MaxTool (authorized Dewalt retailer) has Dewalt 20V MAX battery kit (DCB246CK) on sale for $117 on Amazon or directly from MaxTool website. On Amazon, shipping is free. It’s a decent price for 10Ah combined power and a bag. (previous price was $130)
The kit has (1) 6.0Ah Battery, (1) 4.0Ah Battery, Charger and Kit Bag.
https://www.amazon.com/gp/product…UTF8&
https://www.maxtool.com/products/…c0a9&_ss=r