Valcom VPB-260 Phone System BatteryThe Valcom VPB 260 Phone System Battery is a purpose built, fully filtered back up power supply engineered to keep essential communications alive when the primary power source fails. In environments where uptime matterscorporate offices, healthcare facilities, hospitality venues, and critical security or paging systemsthe VPB 260 acts as a dependable buffer that preserves call quality, continuity of service, and the integrity of your telephony