Go to Amazon.com : http://www.amazon.com/gp/product/B00L32X9V6?tag=theatrecat-20
UNIWILL 223-3S4000-S1P1 4400mAh/49Wh 6 Cell Li-ion 10.8V Black Compatible Battery
Compatible Battery with 1 year warranty
Battery built by highest quality materials including grade-A brand-new cells
Battery meets and exceeds OEM specifications and lasts longer hours
Battery offered in this listing is CE RoHS certified so you can shop with a peace of mind