The Clear-Com AC40A Battery Charger is a 4-port quick charger for BAT41 batteries that comes with a 115/230 VAC adapter. The AC40A can charge up to four Li-Ion BAT41 batteries (sold separately) simultaneously in less than 3 hours! The BAT41 battery fits the BP200, BP210 and BP300 Intercom Beltpacks and the WH200, WH210 and WH300 All-in-One Wireless Headsets.