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 DV5221XX Li-ion battery is made with superior quality cells from Samsung, Panasonic and LG to ensure the best performance. HP Pavilion DV5221XX 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 DV5221XX 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 DV5221XX battery can be charged/discharged up to more than 600 cycles.

Buy with Confidence! All our HP Pavilion DV5221XX 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 DV5221XX 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

361855-001
361855-003
361855-004
361856-002
361856-003
382413-001
383492-001
383493-001
391883-001
395751-001
395751-542
395753-002
396601-001
396602-001
398065-001
407834-001
435779-001
EG415AA
HSTNN-DB10
HSTNN-IB09
HSTNN-IB10
HSTNN-MB09
HSTNN-MB10
HSTNN-W06C
PB995A
PB995A#ABA
PM579A
PM579A

Compatible HP Laptop Models

Pavilion DV5221XX
G5042EA
Pavilion DV1006AP
Pavilion DV1010CAF
Pavilion DV1230EA
Pavilion DV1262EA
Pavilion DV1622NR
Pavilion DV1659US
Pavilion DV1703XX
Pavilion DV1738OD
Pavilion DV5203EU
Pavilion DV5232EU
Pavilion DV5261EU
Pavilion ZE2004US
Pavilion ZE2400
Presario M2007US
Presario M2215AP
Presario M2273TU
Presario V2030US
Presario V2033AP
Presario V2129AP
Presario V2135US
Presario V2347AP
Presario V2610CA
Presario V4117AP
Presario V4215
Presario V5009EA
Presario V5160US
Presario V5304US

Shipping Methods

Payment Methods

Warranty

1-Year Warranty
All our high quality replacement batteries for HP Pavilion DV5221XX 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 DV5221XX') 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 DV5221XX battery properly?

A: There is no need to charge your new HP Pavilion DV5221XX 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 DV5221XX 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 DV5221XX 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).