Make sure you have plenty of charged batteries on hand for your intercom system with the Solidcom C1 Pro 8-Slot Lithium-Ion Battery Charging Case from Hollyland. This multislot charger allows you to charge up to 8 lithium-ion batteries (available separately) at the same time for the C1 and C1 Pro system headsets. Charging time is 2.5 hours to fully charge the battery. An AC adapter with a locking connector is included to provide a secure connection to the charging case.