https://www.homedepot.com/p/Milwauk...tery-Pack-2-Pack-2441-20-48-11-2412/336304633 Milwaukee M12 12V Cordless 10oz. Adhesive and Caulk Gun w/ 2-Pack 3.0Ah Battery Pack (2441-20-48-11-2412) on sale for $129. Shipping is free. Otherwise, select free store pick up where stock permits.