With Smart-UPS XL, now available in standard and rack-mount configurations, mission-critical applications can ride through a power outage, whether it lasts for a few seconds or several hours. Example applications requiring long runtimes include telephone PBX's, order entry database servers, computers supporting manufacturing or service operations, and critical data communications links. Extra runtime (up to 100 hours) can be added by simply plugging in battery packs.The modular XL series can be delivered by popular shippers without special arrangements for the extra size and weight associated with other extended-run UPSs. Because the batteries are packaged in an enclosure separate from the electronics, they operate at reduced temperatures. Battery life is further enhanced through the use of a precision low-ripple “float” charger. For most extended-run UPSs, on-site repair requires an expensive service contract and a wait for factory authorized repair, In the case of the XL Serie...
