Replacement Battery; Cartridge #17. Replacement Battery Cartridges (RBCs) are user replaceable and hot swappable. Each RBC is a complete set of tested and charged batteries for your APC UPS. With the purchase of each RBC you will also get Free Freight back to APC for the disposal of your used batteries in the US.MODEL: RBC17 VENDOR: AMERICAN POWER CONVERSION FEATURES: Replacement Battery Cartridge #17 APC provides a FREE freight return tag with each RBC for the disposal of your used batteries. To take advantage of free return freight and proper disposal please be sure to purchase only Genuine APC Replacement Battery Cartridges (RBC). Includes Battery All required connectors Authorized Return Service (ARS) tag (currently available in the US only) Battery recycling guide Installation Guide Reusable packaging. BATTERY- Type : Maintenance-free sealed Lead-Acid battery with suspended electrolyte leakproof. Expected Life: 3 ~ 5 years MANUFACTURER WARRANTY:2 YEARS