BEFORE YOU BUY: This battery features a 2-Prong Connector ONLY. Please verify your original battery connector type. Compatible with Shark ION/AI Robot models: RV700_N, RV720_N, RV725_N, RV750_N, RV761, RV850BRN, RV850C, RV851WV, RV871, RV871C, RV1000, RV1000S, RV1001, RV1001AE, R75, R85, S87, UR1000SR. NOT compatible with 3-Prong models One Battery Per Order — Package Includes: 1 x RVBAT850 for shark ion battery replacement, comes with screwdriver and user manual, which makes your installation process easier, and cleaning tools to help you clean your for Shark Ion robot easily Not Sure If It's the Battery? Try Our 3-Step Diagnostic First: 1) Clean Contacts — Wipe charging pins with a dry cloth 2) Hard Reset — Remove battery, wait 5 min, reinsert 3) Check Power Switch — Ensure side/bottom switch is ON. If robot runs but dies in