UPS Premier 5-year Warranty: Provides an enhanced 5-year warranty, including a guaranteed battery replacement, on the following models: PRO1500RT2U(NC), PRO2000RT2U(NC), E750RTXL2U(NC), E1500RTXL2U(NC), E1500RTXLT2U(NC), EXR750RT2U(NC), EXR1000RT2U(NC), EXR1500RT2U(NC), EXR1500RTHV(NC), EC1000LCD(-NC), EC1500LCD(-NC), EC1000RT2U(NC), ED1000RMT2U, BP24XL