Never worry about running out of battery charge! Power your laptop with this Lapcare 6-Cell Lithium-Ion Battery with up to 4000mAh capacity. This battery lets your laptop perform seamlessly when you are on the go We at Lapcare ensure that each product is made with the highest-quality materials, and we also implement strict quality control processes, so all products are built to function optimally. Laptops are essential for how we shop online, do business and communicate with our friends. That's why you need to treat your machine with Lapcare's high-performance laptop batteries - batteries you can count on, batteries that can keep up with you and your schedule. Our laptop batteries are constructed to meet or exceed OEM specifications for safety and efficiency, yet we have managed to make an .. alternative to costly OEM batteries . Packed with a ton of safety features & BIS Certification that why when it comes to laptop batteries - Lapcare is your best bet! Don't fall for fake capacity claims out there. Our batteries are rigorously tested to meet or exceed OEM's specifications. All of our batteries are .. and are 100% compatible to meet OEM specifications for safety and efficiency. Each battery contains built-in multi-protection functions such as short circuit, overheating & overload for maximum safety. This Lapcare Laptop Battery is compatible with LENOVO?ThinkPad E40,ThinkPad E50,ThinkPad Edge 0578-47B,ThinkPad SL410 series,ThinkPad SL410k 2842,ThinkPad SL510 2847,ThinkPad SL510 2875,ThinkPad T510,ThinkPad T510i,ThinkPad W510