The RF-5955 Lithium Ion Battery Charger is used to charge the 12055-2100-01 lithium ion battery used with the RF-7800S Secure Personal Radio. The battery charger can charge any quantity combination of one to eight batteries independently. The charge status is shown for each battery via colored LEDs. The battery charger is tabletop or vehicle-mounted. It is equipped with a drop-down lid to prevent environmental damage to the charging cradles and securely holds the battery packs in place while covering the LED status displays to avoid light emission.