HP PAVILION DV4021EA Battery Availability:

• Brand new, never refurbished, 100% compatible with OEM battery, in stock of fast shipping! Cheap at factory price and quality guaranteed!
• Full 1 year warranty, guarantee your money will be back in 30 days!

HP PAVILION DV4021EA Battery Warranty:

• 100% new high quality HP pavilion dv4021ea battery compatible Li-ion laptop
• Product Condition: Brand new in bulk packaging. OEM equivalent part.
• Manufactured by high-capacity power products
• 100% compatible with OEM battery
• Ultra high power,no memory effect
• Order your HP PAVILION DV4021EA battery before 2:30PM we can ship the same day.
• Compatible Part number :COMPAQ 367759-001

HP PAVILION DV4021EA Battery Tips:

Lithium ion notebook batteries normally offer 300 to 500+ charge/discharge cycles over one year of useful life.After over one year, the battery will end up with very low capacity and this renders the battery unusable. As soon as the battery leaves the production line it is likely to start losing it's capacity. So How can you make your laptop battery last a long time?

• New laptop batteries generally arrive in a discharged state, so, before you use them first time, you had batter charge your HP PAVILION DV4021EA laptop batteries up for at least four hours.
• Don’t run out of your HP PAVILION DV4021EA battery . Lithium Ion laptop batteries work best when they are recharged while they still have 10 to 20% capacity remaining. So if you are using your notebook battery on your journey, try not to get in the habit of using the notebook battery until it has almost no charge.
• Make sure the vents in your the laptop are not blocked and the laptop does not overheat. Extreme heat causes the increases the self-discharge rate of the battery.
• When carrying the battery. Do not short circuit the terminals or store your battery pack with metal objects such as necklaces or hairpins.
• Don't use the laptop battery unless you have to! Li-ion batteries degrade or deteriorate continuously it have a life of about 300-500+ recharge cycles or about one year, the battery will end up with very low capacity and this renders the battery unusable. Many people keep their laptop plugged in all the time, that’s not good.
• If your HP PAVILION DV4021EA battery will not be in use it should be removed from your laptop and stored in an Anti-Static bag and in a dry, cool place. make sure it is has about 40 - 50% charge and it is highly recommended to circle it at least once a month.
• Do not disassemble the HP PAVILION DV4021EA battery , the contents may be corrosive and harmful for your health.