Make charging your batteries easier and more convenient with Battery Tender Charger Accessories. Each adds functions that makes charging your batteries simple. Choose: Wireless Battery Monitor Track your batterys health with an app right from your smartphone. It alerts you to battery issues before they become a problem. Wi-Fi connectivity to monitor your battery remotely. Compatible with all SAE connectors. Uses the Battery Tender app. Note: Must have Wi-Fi where the monitor is located. Ring Terminal Harness Easy to use your Battery Tender Charger with multiple batteries. For 12-volt models only. 2-ft. long with a 7.5-amp fuse. Black quick disconnect. 25-ft. Extension Leads Extend the length of the chargers reach from the input to the battery. Works with the Battery Tender Junior, Plus, 2-, 4-, 5- or 10-bank units. Not compatible with the 6-volt Battery Tender Plus or models with white disconnect plugs. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Charger Accessories.