Note : 1. 10.8V and 11.1V 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 8800mAh(12 cells) replacement HP Pavilion DV4085EA Li-ion battery is made with superior quality cells from Samsung, Panasonic and LG to ensure the best performance. HP Pavilion DV4085EA 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 Pavilion DV4085EA 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 Pavilion DV4085EA battery can be charged/discharged up to more than 600 cycles.

Buy with Confidence! All our HP Pavilion DV4085EA batteries carry a One-Year warranty and a 30-day money back guarantee if you are not completely satisfied. What’s more, Each HP Pavilion DV4085EA 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

361855-004
361856-002
367759-001
383492-001
383493-001
391883-001
395751-251
395753-002
396600-001
396601-001
396602-001
396603-001
398065-001
398832-001
435779-001
EG414AA
EG415AA
HSTNN-DB09
HSTNN-DB10
HSTNN-DB17
HSTNN-IB17
HSTNN-LB17
HSTNN-OB17
HSTNN-Q05C
HSTNN-UB17
HSTNN-W06C
PB995A#ABA
PM579A

Compatible HP Laptop Models

Pavilion DV4085EA
G5042EA
Pavilion DV1031AP
Pavilion DV1608TN
Pavilion DV1611TN
Pavilion DV1700/CT
Pavilion DV4080EA
Pavilion DV4109AP
Pavilion DV4176EA
Pavilion DV4307CL
Pavilion DV5031EA
Pavilion DV5037EA
Pavilion DV5147EU
Pavilion DV5188EA
Pavilion DV5195EA
Pavilion DV5203TU
Pavilion DV5208EU
Pavilion DV5209TU
Pavilion DV5211EA
Presario C502US
Presario M2018US
Presario M2245AP
Presario V2040AP
Presario V2398US
Presario V2607CA
Presario V4200
Presario V5111EU
Presario V5202TU
Presario V5300

Shipping Methods

Payment Methods

Warranty

1-Year Warranty
All our high quality replacement batteries for HP Pavilion DV4085EA 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 Pavilion DV4085EA') 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 Pavilion DV4085EA battery properly?

A: There is no need to charge your new HP Pavilion DV4085EA 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 Pavilion DV4085EA 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 Pavilion DV4085EA 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).