See the product description for more details. If you look after your new battery and only charge it when it gets low, This will extend the battery's life. If the battery is charged too often, you will use up the cycle life quickly. Our ISO 9001-certified factory uses the best quality components and manufactures its products to the exact high specifications as the OEM factory battery. Look at the products table below and find the models this battery will replace. Some models have more than one battery type available, and the only way you can confirm the correct battery is to remove the original. Mah is the figure that estimates the charge a battery will hold. The higher the Mah, the longer the runtime.