Specification: Battery type: Li-ion Voltage: 11.1V (Compatible with 10.8V) Capacity: 5200mAh Cell: 6 Cells recharge cycles： 500 Operation time: Around 2-3 hours Compatible Models：( Ctrl + F for fast search model) 70-NXM1B2200Z 90-NYX1B1000Y A31-K52 A32-K52 A41-K52 A42-K52 A31-B53 K52L681.
eBay