JFR UPS started running on Jan15,2009, so actual service life should be 9 years by the end of 2017.UPS电池中最长使用年份: We replaced UPS battery in 2013Nov, so the battery service life is 4 years by the end of 2017. BTW, we plan to replace new battery in 2018 due to battery designed life is 5 years.Double confirmed with local BMO, the answer is 1000KVA, meanwhile I attached electrical resiliency overview of BJFR for your reference.