Hi. My dad found that work zone drill and the problem is he doesn't have charger for the battery and on internet only chargers that will fit that battery are 12v and
12V Spare battery
Replacement Charger for WORKZONE jh002-20v 20V Cordless Drill Battery: Amazon.co.uk: Musical Instruments & DJ
Replacement AC Adaptor Charger for Workzone Battery WCHD 14.4-3/1 14.4V 1500mAh