Novatel Wireless Original OEM 40115118.003 MiFi 4510L Battery - Non-Retail Packaging - Black This 1500mAh battery will allow you to use your mobile hotspot for an extended period of time This is a great replacement or extra battery to get you connected online when you need it Keep your Mifi 4510L powered up and ready to go with the Novatel Wireless MiFi4510L Battery Perfect for long road trips Compatible with the MiFi 4510L mobile hotspot device