This product is not compatible with VEX V5.
Works with the VEX Cortex Microcontroller.
Kit Contents:(1)Backup Battery Holder.(1)Backup Battery Cable.Compatibility: Works with the VEX Cortex Microcontroller.Uses (1) 9V battery (not included).
Robot Mesh LLC, the creators of the Flowol flowchart programming software.
Phone 800-839-9205Fax 425-861-1131
Hours: 10:00 AM to 6:30 PM, Mon-Fri
Robot Mesh LLC
13427 NE 20th St, Ste CBellevue WA 98005