DC Power Cable Extension for Chargers, 2ft / 60cm, 14AWG, 4mm Male to 4mm Female Bullet/Banana Plug by GT Power Use this extension cable to get more reach when connecting your charger to a DC power source such as a Power Supply or a 12V car battery when you're out in the field and need to charge. One end has 4mm Female Bullets so that you can connect your current DC Cable to it. The other end has 4mm Male Bullets so you can connect them to your Power Supply or to Alligator Clips w/ 4mm Bullets in them (GTP1340). Thick 14AWG Wire 2 Foot (60cm) Length Provides Convenience Pair this with the GTP1340 Alligator Clips and the GTP1306 DC Cable with XT60 Plug