Slow charging cradle is compatible with all ALA03 XLR series rechargeable alerting pagers. Charges up to 10 pagers. Automatically switches pagers off and on during docking and undocking. Full pager recharge time is approximately 12 hours. Features a power adapter output jack for cascading a second charging cradle to double charging capacity to 20 pagers from a single power supply (requires optional charging cradle link cable).