Earlier, the types of battery for Uninterruptible Power Supply were limited to three or four which made choosing a suitable one easier. With advanced technology, there are several kinds of cells available in the market. They are designed with various specifications, different maintenance degree, and environmental requirements and have different warranty periods. The life expectancies of different models range from two years to twenty years. You must then select the most appropriate one according to the size of the appliance and the one that fits your budget.
You should know that battery is a significant feature of a UPS system. It is essential that you keep a regular check on the cells and replace them when needed. When buying a UPS for any appliance, you need to investigate its backup performance. As the entire system depends on the batteries, it requires individual testing and monitoring. The life-cycle and battery performance of the device depends on several factors. When installing the UPS, proper visual inspection of wiring, cables, subassemblies and other chief components is mandatory. Also, you should know the temperature and ventilation requirements of the device. You cannot place it in some corner of a closed room and expect it to perform flawlessly.