This is a Power Core Pack that Straps or Bolts Directly to a 12V Starter. New $30.29 (39% off). This Allows you to Start an Engine Away from Your Starter Box Without Cords. Features: * Sturdy, lightweight power source lets you use any electric starte anywhere and leave your field box behind.. * No tangled wires to interfere with safe, easy engine starts. * Mounts to any electric starter for convenient easy starts. * Unique bolt-on attachment option offers greater security than an other starter power pack (nylon mounting clamps also included). * Compact design keeps starter switch and cone freely accessible, an balances weight for the most comfortable handling.. * Durable, fuelproof plastic const