![]() ![]() Within this ambient range a 5-year design life battery can be expected to last around 3-4 years and a 10-year design life set around 7-8 years. ![]() Lead acid batteries are sensitive to temperature and work best around 20-25˚C, the temperature range of a typical server room. Most lead acid battery manufacturers offer two design lives: a 5 year and a 10 year and though the physical battery may look the same, internally the battery may have more lead and a higher concentration of electrolyte gel. The battery is generally only used occasionally to provide power to the UPS inverter and for the most part remains on charge until it is required. This is the most commonly used battery due to its cost and performance in a standby power application. Most UPS systems are installed with valve regulated lead acid ( VRLA) batteries or battery sets. What costs should you take into consideration when deciding whether to replace your UPS batteries or upgrade to a new UPS system? UPS Systems with Lead Acid Batteries Uninterruptible power supplies have several consumable parts of which the battery set is the costliest requiring replacement at least once or twice during its working life.
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