eReplacements Compatible 9 cell (7800 mAh) battery for HP Probook 4320s;4321s; 4325s 4326s; 4420s; 4520s - For Notebook - Battery Rechargeable - 7800 mAh - 10.8 V DC

Smaller and lighter than other rechargeable batteries, proving ideal for portable devices Delivers 10.8 V DC to your compatible notebook, ensuring that your device is ready to use when needed Solution for a battery that is about to expire, so you can replace it whenever needed More environment-friendly as compared to the disposable ones