Online double conversion UPS solution offers power conditioning and outage protection in a compact, flexible rack or tower format. With near unity power factor operation, the UPS9A provides maximum usable power to your equipment and protects it with a standard 3-year warranty (or optional 5-year extended warranty). These 2U model provide 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 (ordered separately).