The Total Micro 55 WHr 4 - Cell Primary Lithium - Ion Battery is an essential accessory for Dell Latitude notebooks, including models E7270 and E7470. This proprietary battery size is smaller and lighter than traditional rechargeable batteries, making it ideal for portable devices. With a capacity of 55 WHr, it ensures that you never run out of power, allowing you to keep your notebook operational without the hassle of frequent battery replacements. The battery is designed for easy recharging, saving you time and effort. Whether you're working on the go or at your desk, this battery provides the dependability and performance you need.