Amazon has: DEWALT 20V MAX Battery, Premium 4.0Ah (DCB204) on sale for $53.49. Shipping is free. Lowest I have seen.
https://www.amazon.com/gp/product/B00BQHLJ4M/
Amazon has: DEWALT 20V MAX Battery, Premium 4.0Ah (DCB204) on sale for $53.49. Shipping is free. Lowest I have seen.
https://www.amazon.com/gp/product/B00BQHLJ4M/