The PPP91 UPS is an online double conversion UPS solution which offers power conditioning and outage protection in a compact and flexible rack/tower form factor. With near unity power factor operation (2U units), the PPP91 provides maximum usable power to your equipment. Precision Group protects your business with a standard three year or optional five year product warranty. The PPP91 UPS provides scalable battery capacity when extended protection is required. The powerful charger can provide up to 8 amps of current to quickly recharge up to 7 matching battery packs.