Tips for the HP EliteBook 8440p Battery Maintenance HP Elitebook 8440p battery is an 8-cell Li-ion laptop battery rated at 4400mAh, 14.4V, 73Whr making it a perfect fit for the following HP models: EliteBook 8440p, EliteBook 8440pW, EliteBook 8540P, EliteBook 8540W, EliteBook 8730P, and EliteBook 8730W. The battery uses the highest quality graded and sorted “A” Grade cells, provides excellent discharge characteristics and has undergone a comprehensive quality testing throughout the manufacturing and assembly process. The battery for HP Elitebook 8440p utilizes state-of-the-art Printed Circuit Board (PCB) design that provides stable and safe performance. It also includes a 12 months replacement warranty for manufacturer’s defects if purchased from legitimate shops such as Amazon or eBay. Understanding the problems associated with the battery for HP Elitebook 8440p The battery may have a defect if it does mot power on the machine and if it does not hold charge. Its LED indicator, located near the power icon, either always blinks or it does not glow at all. Another indicator of a defect in the battery is that the device only operates correctly when it is connected to the AC adapter. When the battery fails to charge, then it could be as a result of the HP EliteBook 8440p adapter failure, a battery failure or a system board failure, forcing you to troubleshoot the power supply, the system board and the battery in order to correct the failure. Check your notebook manual for the various steps to be followed to perform such the three diagnostic procedures. Battery Calibration Calibrating the battery for EliteBook 8440p means recharging the battery to its maximum capacity and the resetting its gauge to accurately display the level of charge. Normally, the Windows battery meter is the HP EliteBook 8440p may not accurately display the level of charge of the battery since the maximum level of charge changes with time, making the battery meter or gauge inaccurate. In such a situation, it is advisable to calibrate the battery either while the computer is in use or when not in use. Note that during calibration, the power management properties must be disabled to allow the battery to charge completely because this is what calibration is all about – full charge and complete discharge. The HP EliteBook 8440p adapter is rated at 19V/5A, 90W and is designed to automatically adjust to your machine. Its package comprises 1 Tip, but additional tips are also available for other notebooks. It is perfectly sealed to give it maximum protection against high humidity and moisture. The AC adapter is designed to filter input line voltage surges and spikes and its exclusive interior safety features protect your device from any possible electric hazards. Other features of the HP EliteBook 8440p adapter include: - Low input voltage shut down - Limited current output - Limited output over voltage - Automatic reset for shut down conditions
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