The Energizer XP 18 000 Universal Power Pack is the best in the class notebook battery and charger. Use it as a power supply or charge up to three devices at the same time as your mobile phone, iPod and laptop. The Energizer XP 18 000 Universal Power Pack is less than a pound and compact. This battery pack fits easily into your pocket and provides up to 6 hours of additonal laptop power. Three levels allow you the flexibility, cost and power multiple devices simultaneously. TheEnergizer XP 18 000 Universal Power Pack comes with 3 power cables, 6 Handy tips, 3 media tips, 9 Laptop tips, AC adapter and carrying pouch.