https://home.woot.com/offers/dewalt...ithium-ion-battery-2-pack-9?ref=w_cnt_wp_0_22 2-Pack DEWALT DCB205 20V MAX 5Ah Lithium Ion Battery on sale for $119.99 - $26.40 (22%) off when you apply coupon code WOOTOBER at final checkout = $93.59. Shipping is free for Amazon Prime Members (must log in with your Amazon account and select a shipping address in order for Woot to apply free shipping) or is otherwise $6 per order.