Samsung AA-PB9NC6W Notebook Battery - 5200 mAh - Lithium Ion - 11.1 V DC for $123.99 + free shipping
When you're on the go, you don't want to worry about having enough battery power for your laptop. With an extra battery on hand, you can accomplish it all. This lithium ion smart battery is an extended, 6 - Cell, 11.1 V, 5,200 mAh battery. There's also an LED light indicator to show how much power is left.