External battery housing 5 U with 3 batteries (SYBT5) For Symmetra LX rack mount Net weight: 115kg . Runtime: +40 min. at 2.8 kW +25 min. at 5.6 kW +14 min. at 8.4 kW +10 min. at 11.2 kW . Please note that increased delivery costs may apply due to the high weight of the product. . Electric installation not included; the UPS must be connected by a professional electrician.