DEWALT DW9116 7.2-Volt to 18-Volt Pod Style 1 Hour Battery Charger - Cordless Tool Battery Chargers - Amazon.com
Teardown of a DeWalt DW9118 7.2V – 14.4V Battery Charger, with Macro & Die Shots of Components « Adafruit Industries – Makers, hackers, artists, designers and engineers!
Second life for the Dewalt DE9118 7.2-14.4V NiMH charger