【Customer Service】Rest assured with 30 days Refund and 12 months Warranty; Note: Amazon return windows will close after one month, don't worry about it, you can click on seller store on right corner “ask a question” and contact seller directly.
【Compatible Laptop Models】for HP EliteBook 640 G11 645 G11 630 G11 660 G11 Series; for HP ProBook 440 G11 445 G11 460 G11 465 G11 Series.
【Note】Please open the back cover of the laptop before ordering and make sure that the original battery model is consistent with the listing. After getting the battery, please install the battery correctly, make sure that the battery connector is firmly connected to the laptop motherboard, and use the original charger to charge the laptop.Discharge the new battery to 5% (not 0%), then charge and cycle 3-4 times to wake up the new battery.