UPS Premier 5-year Warranty: Provides an enhanced 5-year warranty, including a guaranteed battery replacement, on the following models: ED10KTF, ED8KRT, ED10KRT, ED8KRT-3KTF, ED8KRT-5KTF, ED8KRT-6KTF2, ED8KRT-8KTF2, ED10KRT-3KTF, ED10KRT-5KTF, ED10KRT-6KTF2, ED10KRT-8KTF2, ED10KRT-10KTF2