Eaton 9E extended battery module (EBM), tower form factor, Additional battery module to extend the runtime of Eaton 9E 2000i and Eaton 9E 3000i UPS tower systems, VRLA lead gel battery with 12 V / 9 Ah. Additional runtime: at 2400 W: + approx. 25 min. at 1600 W: + approx. 38 min. Net weight: approx. 35.8 kg Note: A total of max. 4 battery modules can be connected!