UPS Premier 5-year Warranty: Provides an enhanced 5-year warranty, including a guaranteed battery replacement, on the following models: BP24RTEXL, BP36RTEXL, BP48RTEXL, BP72RTEXL, BP24V72RTEXL, BP36V48RTEXL, BP48V36RTEXL, BP72V24RTEXL, ED5200RTXL, ED5200RTXLMB, ED5000RTXL, ED5000RTXLMB, ED6200RTXL, ED6200RTXLMB, ED6000RTXL, ED6000RTXLMB, ED6KTF, BP192RTXL, BP240RTXL, BP240TWR