Heinrich's CEBC16 battery charger is specially designed to charge the UHF wireless conference system. It comes with a portable and sturdy air flight case, making it ideal for rental and mobile use. The charger can simultaneously charge up to 16 batteries and takes approximately 8 to 10 hours to complete the charging process. The power supply of the charger can be either AC220V or 115V, 50-60Hz. It also features built-in overcharge protection to ensure the longevity of the lithium battery. The charger has a charging indicator that turns red while charging and green once it's completely charged.