The Phoenix Power Pack is a high capacity, rechargeable alternative to the 'AA' battery box and AC power supply included with the Phoenix tool. The Phoenix Power Pack is more compact than the standard 'AA' battery box and offers up to 3X the battery life. The Power Pack includes an LED power bar that indicates the current state of charge and a magnetic back to secure the pack to the safe during use. The Phoenix Power Pack is powered by the same high quality lithium ion power cells as our popular JumpStart Portable Power Boost. Includes Phoenix Power Pack, power cable and AC charger.