The back-ups es offers affordable battery backup and surge protection for home computers. With enough power outlets to protect your entire system, built-in phone/fax/modem line (dsl compatible) protection and easy-to-install safe system shutdown software all make this power protection solution the best value for home and home office computers. Features: battery replacement without tools; disconnected battery notification; intelligent battery management; led status indicators; usb connectivity. Specificaitons: output: output power capacity: 200 watts / 350 va. Max configurable power: 200 watts / 350 va. Nominal output voltage: 120v. Waveform type: stepped approximation to a sinewave. Output connections: (4) nema 5-15r (battery backup), (4) nema 5-15r (surge protection). Input: nominal input voltage: 120v. Input frequency: 50/60 hz. Input connections: nema 5-15p. Cord length: 1.83 Meters. Input voltage range for main operations: 88 - 139v. Batteries and runtime: battery type: maintenance-free sealed lead-acid battery with suspended electrolyte : leakproof. Typical recharge time: 16 hour(s). Replacement battery cartridge: rbc35. Rbc quantity: 1. Typical backup time at half load: 9.7 Minutes (100 watts). Typical backup time at full load: 2.3 Minutes (200 watts). Runtime chart: back-ups es. Communications and management: control panel: led status display with on line : on battery : replace battery and building wiring fault. Audible alarm: alarm when on battery : distinctive low battery alarm : overload continuous tone alarm. Surge protection and filtering: surge energy rating: 365 joules. Filtering: full time multi-pole noise filtering : 5% ieee surge let-through : zero clamping response time : meets ul 1449. Dataline protection: rj-11 modem/fax/dsl protection (two wire single line). Conformance: regulatory approvals: cul listed,fcc part 15 class b,fcc part 68,nom,ul 1778,ul 497a,ul 498. Standard warranty: 3 years repair or replace. Includes: cd with software, free trial of anti-virus : firewall : email privacy : system recovery and online backup software, usb cable, user manual, wall-mounting template.