Multi 4 Lead Accessory for Main BatteryThe Multi 4 connector is for connecting your fishing, ice fishing, or other accessories. Connect an onboard charger, depth finders, downriggers, radios, lights, and a host of other accessories.Use with:RCE12VBPKRCE12VB0MKRCE12VBM6KRCE12VBM6CKRCE12VBM6ICKRCE12VBM6PKFeatures:Multi 4 connection to power your outdoor equipment easily and quicklyPlug & Play ConnectionsLithium CompatibleSuitable for use t-40 to 221 UL1977120 Amp Rating