Smaller and lighter than other rechargeable batteries, proving ideal for portable devices Proprietary Battery Size battery size for better reliance and dependable usability 60.90 Wh battery energy for reliable usability and added productivity 3 cells for better reliance and maximum dependability Delivers 11.55 V to your compatible notebook, ensuring that your device is ready to use when needed Rechargeable battery - Lasts longer on a single charge than its disposable counterparts 5270 mAh battery capacity allows longer, charged usage in a dependable manner with maximum feasibility With 5270 mAh capacity, the battery delivers a long lasting charge to your notebook