Lenovo 55946BX 5 kVA/6 kVA Extended Battery Module | Rack/Tower UPS

When uptime depends on more than the UPS alone, the Lenovo 55946BX extended battery module adds the runtime margin critical systems need. Built for RT5kVA and RT6kVA UPS platforms, it expands backup capacity so servers, storage, and network equipment can stay protected through brief outages and transfer delays. The 3U rack or tower design supports flexible deployment in standard enterprise environments. That makes it easier to align with existing rack layouts or mixed-format installations without compromising serviceability. For teams managing edge sites, server rooms, or distributed infrastructure, this kind of battery expansion helps preserve operational continuity without moving to a larger UPS platform. This module is a practical choice when the cost of downtime exceeds the cost of additional battery reserve. It is designed to support the power architecture you already trust, while extending the window available for recovery, shutdown, or generator handoff.