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 ProBook 4330s,ProBook 4331s,ProBook 4430s,ProBook 4431s,ProBook 4530s,ProBook 4535s,Probook 4435s,Probook 4436s,Probook 4440s,Probook 4441s,Probook 4446s,Probook 4540s,Probook 4545s