How to Change Battery in apc UPS - HOW REPAIR - Every year, many UPS units are thrown out due to dead batteries.
The average life span of a UPS battery is about 2 years, and replacing batteries does not require an engineering degree. Battery replacement is economical if you assemble your own battery pack. With a bit of work, you can you can replace the battery pack for 1/3 the cost of buying a battery replacement from APC. Gruber offers a complete set of RBC battery packs.