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New 4400 mAh Rechargeable Li-ion Replacement Laptop Battery For COMPAQ PRESARIO R4000CA SERIES

  • Replacement For Compaq PRESARIO R4000CA SERIES Laptop Batteries


  • Overview Specification Fit Model Compatible Codes Warranty
  • This compaq replacement battery pack is a 4400 mAh, 11.10V, rechargeable, removable, Lithium Ion battery designed to work with compaq presario r4000ca series laptop. The Hi-Quality battery meets or exceeds original manufacturer specifications for the compaq presario r4000ca series battery in quality, durability, and performance. Li-ion batteries do not suffer from the memory effect. They generally last between 300-500 charge/discharge cycles. All laptop batteries are tested for 100% quality control assurance. This battery for compaq presario r4000ca series includes a one year warranty. We offer a 30 day money back guarantee and fast shipping on all of our products.

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  • descirption about PRESARIO R4000CA SERIES Laptop Battery
Battery Specs & Technical Details:
Battery Chemistry Lithium Ion (Li-Ion), Newer type of rechargable, giving best performance for a rechargable.
Capacity 4400 mAh
Voltage 11.10V
Color Black
Dimension 205.15 x 51.10 x 21.20 mm
Net Weight 310.00(g)
Product Brand Compaq Laptop Batteries
Product Name Best replacement for the original compaq presario r4000ca series battery packs.
Product Type Notebook Computer Battery
Replacement for The Following Battery Code
Manufacturer Part Number COMPAQ 367759-001 , HP PF723A , HP PM579A ,
Work With The Following Laptop Models (Press " Ctrl+F " to search your Model)
Compatibility COMPAQ PRESARIO M2000 SERIES , COMPAQ PRESARIO M2000Z SERIES , COMPAQ PRESARIO M2001AP(PS929PA) , COMPAQ PRESARIO M2003AP(PS943PA) , COMPAQ PRESARIO M2003AP(PV256PA) , COMPAQ PRESARIO M2010CA , COMPAQ PRESARIO M2010EA , COMPAQ PRESARIO M2013AP(PT373PA) , COMPAQ PRESARIO M2019AP(PT379PA) , COMPAQ PRESARIO M2031AP(PV247PA) , COMPAQ PRESARIO M2033AP , COMPAQ PRESARIO M2043AP(PV288PA) , COMPAQ PRESARIO M2045AP(PV297PA) , COMPAQ PRESARIO M2052EA , COMPAQ PRESARIO R4000CA SERIES , COMPAQ PRESARIO R4025CA , COMPAQ PRESARIO R4035CA , COMPAQ PRESARIO V2000 SERIES , COMPAQ PRESARIO V2002EAP , COMPAQ PRESARIO V2004AP(PF359PA) , COMPAQ PRESARIO V2009EA , COMPAQ PRESARIO V2010AP(PH475PA) , COMPAQ PRESARIO V2010US , COMPAQ PRESARIO V2028EAP , COMPAQ PRESARIO V2030US , COMPAQ PRESARIO V2102AP(PS923PA) , COMPAQ PRESARIO V2110CA , COMPAQ PRESARIO V2133AP(PV249PA) , COMPAQ PRESARIO V2134AP(PV250PA) , COMPAQ PRESARIO V2135AP(PV255PA) , COMPAQ PRESARIO V2140CA , COMPAQ PRESARIO V2157AP , COMPAQ PRESARIO V2210CA , COMPAQ PRESARIO V4000 SERIES , COMPAQ PRESARIO V4002AP , COMPAQ PRESARIO V4003AP(PV331PA) , HP PAVILION DV1000 SERIES , HP PAVILION DV1004AP(PF354PA) , HP PAVILION DV1005AP(PF355PA) , HP PAVILION DV1007AP , HP PAVILION DV1008AP , HP Pavilion DV1010CA , HP Pavilion DV1011AP , HP Pavilion DV1012AP(PD111PA) , HP PAVILION DV1030AP(PN910PA) , HP PAVILION DV1040CA , HP PAVILION DV1101AP(PS925PA) , HP PAVILION DV1102AP(PS926PA) , HP PAVILION DV1122AP(PV253PA) , HP PAVILION DV1128AP(PV295PA) , HP PAVILION DV1135AP , HP PAVILION DV1240CA , HP PAVILION DV4000 SERIES , HP PAVILION DV4003AP(PV294PA) , HP PAVILION DV4012AP(PV320PA) , HP PAVILION DV4017AP , HP PAVILION DV4021EA , HP PAVILION DV4030CA , HP PAVILION DV4030EA , HP PAVILION DV4040CA , HP PAVILION DV4045EA , HP PAVILION DV4070EA , HP PAVILION ZE2000 SERIES , HP PAVILION ZE2000T SERIES , HP PAVILION ZE2000Z SERIES , HP PAVILION ZE2010AP , HP PAVILION ZE2011AP , HP PAVILION ZE2018AP , HP PAVILION ZE2020CA , HP PAVILION ZT4000 SERIES , HP COMPAQ BUSINESS NOTEBOOK NX4800 , HP COMPAQ BUSINESS NOTEBOOK NX7100 ,
Warranty Policy
Condition Brand new in box, Never used, OEM equivalent replacement part. 100% original manufacturer compatible and run longer time!!
Standard Warranty Full One Year Manufacturer Warranty & 30 Days Money Back Guarantee!
No memory effect. Chargeable even if it has not been used up yet
Highest quality premium Japanese battery cells are used in our compaq presario r4000ca series laptop batteries
Most compaq notebook batteries are pre-charged before shipping
Replacement batteries which are as good or often better than the originals
Manufactured By Hi-Capacity power products.
This presario r4000ca series battery will fit your compaq laptop perfectly.
Order your compaq presario r4000ca series laptop battery before 2:30PM we will usually ship the same day

New 3600mAh Rechargeable Li-ion Replacement Laptop Battery For COMPAQ PRESARIO R4000CA SERIES

  • Replacement For Compaq PRESARIO R4000CA SERIES Laptop Batteries


  • Overview Specification Fit Model Compatible Codes Warranty
  • This compaq replacement battery pack is a 3600mAh, 11.10V, rechargeable, removable, Lithium Ion battery designed to work with compaq presario r4000ca series laptop. The Hi-Quality battery meets or exceeds original manufacturer specifications for the compaq presario r4000ca series battery in quality, durability, and performance. Li-ion batteries do not suffer from the memory effect. They generally last between 300-500 charge/discharge cycles. All laptop batteries are tested for 100% quality control assurance. This battery for compaq presario r4000ca series includes a one year warranty. We offer a 30 day money back guarantee and fast shipping on all of our products.

  • Our Price:
  • Quantity:

New 8800 mAh Rechargeable Li-ion Replacement Laptop Battery For COMPAQ PRESARIO R4000CA SERIES

  • Replacement For Compaq PRESARIO R4000CA SERIES Laptop Batteries


  • Overview Specification Fit Model Compatible Codes Warranty
  • This compaq replacement battery pack is a 8800 mAh, 11.10V, rechargeable, removable, Lithium Ion battery designed to work with compaq presario r4000ca series laptop. The Hi-Quality battery meets or exceeds original manufacturer specifications for the compaq presario r4000ca series battery in quality, durability, and performance. Li-ion batteries do not suffer from the memory effect. They generally last between 300-500 charge/discharge cycles. All laptop batteries are tested for 100% quality control assurance. This battery for compaq presario r4000ca series includes a one year warranty. We offer a 30 day money back guarantee and fast shipping on all of our products.

  • Our Price:
  • Quantity:

* Disclaimer:The compaq presario r4000ca series laptop batteries offered by us are compatible with certain products of batteries manufacturers. All the information presented on this website may contain references to products or trademarks maintained by such manufacturers, which is solely to show the laptop computer batteries with which our products are compatible. Besides, our company and website are neither related in any way with these manufacturers nor are the products listed in our website manufactured by those batteries manufacturers.

Top 15 Ways to Extend Your compaq presario r4000ca series Laptop’s Battery Life

Laptops tend to lose their charm quickly when you’re constantly looking for the nearest power outlet to charge up. How do you keep your presario r4000ca series battery going for as long as possible? Here are 15 easy ways to do so.

Defrag regularly - The faster your hard drive does its work - less demand you are going to put on the hard drive and your notebook computer battery. Make your hard drive as efficient as possible by defragging it regularly. (but not while it’s on battery of course!) Mac OSX is better built to handle fragmentation so it may not be very applicable for Apple systems.

Dim your screen - Most laptops come with the ability to dim your laptop screen. Some even come with ways to modify CPU and cooling performance. Cut them down to the lowest level you can tolerate to squeeze out some extra compaq presario r4000ca series notebook pc battery juice.

Cut down on programs running in the background. Itunes, Desktop Search, etc. All these add to the CPU load and cut down battery life. Shut down everything that isn’t crucial when you’re on battery.

Cut down external devices - USB devices (including your mouse) & WiFi drain down your compaq laptop battery. Remove or shut them down when not in use. It goes without saying that charging other devices (like your iPod) with your laptop when on battery is a surefire way of quickly wiping out the charge on your laptop battery.

Add more RAM - This will allow you to process more with the memory your laptop has, rather than relying on virtual memory. Virtual memory results in hard drive use, and is much less power efficient. Note that adding more RAM will consume more energy, so this is most applicable if you do need to run memory intensive programs which actually require heavy usage of virtual memory.

Run off a hard drive rather than CD/DVD - As power consuming as hard drives are, CD and DVD drives are worse. Even having one in the drive can be power consuming. They spin, taking power, even when they're not actively being used. Wherever possible, try to run on virtual drives using programs like Alcohol 120% rather than optical ones.

Keep the battery contacts clean: Clean your battery’s metal contacts every couple of months with a cloth moistened with rubbing alcohol. This keeps the transfer of power from your compaq rechargeable battery more efficient.

Take care of your battery - Exercise the Battery. Do not leave a charged presario r4000ca series battery dormant for long periods of time. Once charged, you should at least use the laptop batteries at least once every two to three weeks. Also, do not let a Li-ion battery completely discharge. (Discharing is only for older batteries with memory effects)

Hibernate not standby - Although placing a laptop in standby mode saves some power and you can instantly resume where you left off, it doesn’t save anywhere as much power as the hibernate function does. Hibernating a PC will actually save your PC’s state as it is, and completely shut itself down.

Keep operating temperature down - Your laptop operates more efficiently when it’s cooler. Clean out your air vents with a cloth or keyboard cleaner.

Set up and optimize your power options - Go to ‘Power Options’ in your windows control panel and set it up so that power usage is optimized (Select the ‘max battery’ for maximum effect).

Don’t multitask - Do one thing at a time when you’re on battery. Rather than working on a spreadsheet, letting your email client run in the background and listening to your latest set of MP3’s, set your mind to one thing only. If you don’t you’ll only drain out your compaq presario r4000ca series batteries before anything gets completed!

Go easy on the PC demands - The more you demand from your PC. Passive activities like email and word processing consume much less power than gaming or playing a DVD. If you’ve got a single battery charge - pick your priorities wisely.

Get yourself a more efficient laptop - Laptops are getting more and more efficient in nature to the point where some manufacturers are talking about all day long batteries. Picking up a newer more efficient laptop to replace an aging one is usually a quick fix.

Prevent the Memory Effect - If you’re using a very old laptop, you’ll want to prevent the ‘memory effect’ - Keep the compaq battery presario r4000ca series healthy by fully charging and then fully discharging it at least once every two to three weeks. Exceptions to the rule are Li-Ion batteries (which most laptops have) which do not suffer from the memory effect.

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