14 AWG(14 awg,2.08mm2>16 awg,1.31mm2) extension cable lengthened up to 12ft / 3.66m,20Amp built-in fuse for overload and short-circuit protection. And will get one more extra 20 Ann and 25 Ann fuse as a backup. This is a standard SAE adapter for most battery chargers. SAE Connector and Fuse Holder have Weatherproof Cover Design Warranty:Will provide with 12-months Warranty from the date of its purchase. Package Contents: 1xSCCKE Battery Clip to SAE Connector 1x 20Amp fuse 1x 25Amp fuse