Alliboo Laptop Replacement Battery (K56) For Asus A31-K56 A32-K56 A41-K56 A42-K56 A46 A56 K46 K56 etc. Series Battery type: Li-ion; Capacity: 2600mAh; Cells: 4-cell; Voltage: 14.8V. 100% NEW from manufacturer; Up to 500 recharge cycles over the life of the battery. 24 x 7 email support; 12-month hassle-free warranty. Every battery has passed factory testing; Durable grade A cells battery; Quality assurance.