Get longer battery life and improved laptop performance with a new HP EliteBook 8540p battery. This battery is compatible with the original battery found in HP EliteBook 8540p laptop models. Additional compatible models and battery part numbers are listed below.

This battery is rated at 5200 mAh or 58 Whr. This is the highest rating available for a 6 cell battery pack. The higher the mAh rating, the longer your battery will run before it needs to be recharged again. This battery is still compatible with your laptop even if the original battery has a lower power rating. It just means this battery will last even longer!

Laptop Battery Express is a US based business with knowledgeable support staff to assist you before and after the sale. Yes, we have a phone number and real people answer your call! Free technical support is available if you need additional help in diagnosing power problems with your battery, ac power adapter or battery meter software.

All our products carry a full 2 Year warranty and every battery is charged and tested before it ships. We provide a 30 day money back guarantee if you are not completely satisfied. We are so confident in the quality of our batteries, we will pay for any and all shipping expenses if our product fails to perform in the first 30 days you have our battery, even if it is not our fault.

You can expect about 3 hours to 4 hours of run time with this computer battery when new, depending on your energy use.The higher capacity battery cells inside this cartridge have an energy capacity of 5200 mAh. This battery will be compatible with batteries rated at 4400 & 4800 mAh capacities while providing up to 20% more run time.

This battery replaces the Fits HP EliteBook 8540p business notebook laptops and additional machines which are listed at the extreme bottom of this web page.