Battery for HP 550 610 HP Compaq 6720s 6820s / 14.4V 4400mAh

This Green Cell Laptop Battery HSTNN-IB51 HSTNN-LB51 is compatible with the HP 550610615 Compaq 550610615 6720 6720s 6730s 6735s 6800s 6820s 6830s models. Green Cell offers the best batteries with longer operating hours and high durability and efficiency. The large capacity of the battery ensures long working hours without any problems because it has lithium-ion cells. High-quality ABS plastic is used to make battery covers. The ABS housing is made to protect the sensitive cells. Modern control electronics provide protection against excessive charging, excessive heat and short circuits. The battery communicates with the device and is notified of the charging time and remaining battery life. This product comes with a 12 month warranty and even after 12 months it will retain almost 80% of the battery. The battery fits perfectly on compatible devices and is easy to install.