Note: 14.4V and 14.8V are compatible, they are in common use.

Product Features

Excellent Quality，International Standards

BatteryBuy.co.uk is your best choice of high quality HP laptop batteries! The brand new 4400mAh(8 cells) replacement HP EliteBook 8540W Li-ion battery is made with superior quality cells from Samsung, Panasonic and LG to ensure the best performance. HP EliteBook 8540W battery case is made of non-flammable and durable plastic, which is fire-retarded and non-perishable when dropped from low heights.

We are very strict with the safety requirements. Every our high-grade replacement battery for HP EliteBook 8540W laptop has been tested to prove that they can match or surpass original HP battery performance and be 100% compatible with Original Manufacturer Specifications. In compliance with international standards, they have obtained a series of rigorous safety certifications such as CE, UL, ROHS, ISO9001/9002. In general, this replacement HP EliteBook 8540W battery can be charged/discharged up to more than 600 cycles.

Buy with Confidence! All our HP EliteBook 8540W batteries carry a One-Year warranty and a 30-day money back guarantee if you are not completely satisfied. What’s more, Each HP EliteBook 8540W battery will be charged and tested before shipment. When you buy our products, you're buying trust! If you have any question, please contact us freely! It is our pleasure to help you solve problems.

Multiple Intelligent Protection

INTELLIGENT PROTECTION
VOLTAGE PROTECTION
SHORT CIRCUIT PROTECTION
ESD PROTECTION
OVER HEAT PROTECTION
OVER (DIS)CHARGE PROTECTION
CHARGING TIME PROTECTION
CLASS A PROTECTION

Product Larger Images

Compatible HP Part Numbers

458274-001
458274-341
458274-342
458274-343
458274-362
458274-363
458274-422
458274-423
458274-424
458274-441
493976-001
501114-001
586593-341
586593-422
AV08
AV08073
AV08XL
BS554AA
BS554AA#ABA
BS554AA#AC
HSTNN-I43C
HSTNN-LB60
HSTNN-OB60
HSTNN-XB60
KU533AA
NBP6A82B2
NBP8A82
NBP8A8282

Compatible HP Laptop Models

EliteBook 8540W
EliteBook 8530P
458639-313
EliteBook 8530
EliteBook 8540P
411638-363
EliteBook 8730P
458639-353
458639-252
EliteBook 8310B
458639-212
EliteBook 8740P
EliteBook 8310P
EliteBook 8530W
EliteBook 8730W
411638-343
EliteBook 8730
411638-364
EliteBook 8740W

Shipping Methods

Payment Methods

Warranty

1-Year Warranty
All our high quality replacement batteries for HP EliteBook 8540W laptop come with a 1-year warranty. Warranty is applicable if the buyer has installed the battery properly in the device and has treated the battery correctly.

30-Day Money Back Guarantee
Our goal is to turn customer satisfaction into ‘Complete Customer Satisfaction’. That's why we offer you a 30-day money back guarantee, on top of our warranty and RMA procedure for defects!
Please note: in order to qualify to get your money back, you must first contact us and await instructions before sending back your product.

Returns

If you have a problem with one battery which bought from us, please contact us first. We will process your request and try to find a solution for your problem. If the problem cannot be fixed by our technical support engineer, we will generate an RMA number (Return Material Authorization) for you. If inspection concludes that the returned battery is defective, a new battery will be shipped out without extra charge.
Please note: we cannot process returned batteries if you have not yet received an RMA number.

FAQs

Q: How to check whether this battery is compatible with my laptop?

A: First, find out your old battery part number (e.g. 'HP EliteBook 8540W') or the model name of laptop and then match with our product compatibility table. Second, please compare your old battery with our product images to make sure their shapes are the same. Lastly, check the voltage (rating) is the same as the old one. For more details please click How to find one correct battery for my laptop?

Q: How to charge my HP EliteBook 8540W battery properly?

A: There is no need to charge your new HP EliteBook 8540W battery for 12 hours for the first time use, because lithium-ion battery is with no memory effect. So you only need to charge and discharge it normally. What’s more, you should avoid recharging it till exhausting battery power, because it will bring to much damage. Therefore you have to charge it when remaining power is nearly 10-20%. Additionally, if your battery has not been used for a long time, please charge it once a month, keep the remaining power about 40% and then store it in a dry and cool environment.

Q: Is it necessary to remove my HP EliteBook 8540W battery when connecting to the power supply?

A: In general, it will not cause any damage without removing battery when the laptop connects the power supply. The battery will not be charged anymore after it is fully charged. On the contrary, it will turn to the use of power supply system. However, when your laptop has run for a long time at high speed, you’d better remove battery out of laptop due to the internal overheating.

Q: A few Tips to maintain your HP EliteBook 8540W battery and extend its life:

1 Avoid Full Discharges.
2 Tweak Your Built-In Power Saving Options.
3 Disable unnecessary programs that draw energy from your notebook.
4 Adjust the brightness of your laptop display as much as possible within an acceptable range.
5 Keep your laptop and battery in a cool dry place (heat may destroy a battery).