I was looking to buy a Dewalt fast charger for my 20v batteries and came upon this dual charger at Grizzly.com. The charger is listed for $99 and it's currently on sale for $39.97 plus shipping. I still owned some Dewalt 18 volts tools so I bought this one and will just get rid of my extra18V chargers.
Closeout sale. Expires on August 17, 2020.
Port 1 charges all DEWALT® 12V - 20V MAX* Li-Ion batteries
Port 2 charges all DEWALT® 7.2V - 18V NiCd/NiMH/Li-Ion batteries (except Univolt batteries)
Charges batteries in 90 minutes or less
Diagnostics with LED indicator communicates battery charge status: charged, charging, power line problem, battery too hot or too cold, and problem pack or charger