Includes a One-Year Limited Warranty. Improves and extends the functional life of a UPS battery and reduces excessive heat during work cycles by using a three-cycle charging process. . A warranty period is a predefined duration during which the manufacturer guarantees to repair or replace a product if it fails to perform as intended due to defects in materials or workmanship. The cabinet is supplied without batteries, so batteries must be purchased separately. It is 800 millimeters wide to allow more room for. . The addition of this symbol to a “Danger” or “Warning” safety message indicates that an electrical hazard exists which will result in personal injury if the instructions are not followed. This is the safety alert symbol.