Amazon.com: Synergy Digital Power Tool Battery, Compatible with DeWalt DW997 Power Tool, (Ni-MH, 18V, 1500mAh) Ultra High Capacity, Replacement for DeWalt DC9096, DE9039, DE9095, DE9096, DE9503, DW9095 Battery : Tools & Home
Dewalt DW997 18V ½” Chuck Adjustable Clutch Drill Hammer Drill For Parts | eBay
DeWalt DW997 Motor Replacement - iFixit Repair Guide