12 Cells Compaq Presario r4000 Cto Laptop Battery Replacement
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Compaq Presario r4000 Cto battery was designed to meet or exceed oem specifications and is 100% compatible to the original equipment charger. |
- We are committed to providing customers with high quality, high capacity and lowest price compaq presario r4000 cto laptop battery.
- Chemistry: Li-ion
- Voltage: 14.8V
- Cells: 12-Cell
- Capacity: 6600mAh
- Dimension: 152 x 114 x 19.3mm
- Color: Black
- Net Weight: 607.5g
- Availability: In Stock
- Shipping Method: USPS
- Usually ships in the same business day.
- High quality 12 Cells Battery- brand new
| As we have customers all around the world, with the rich experience in this field, we guarantee our Replacement Compaq Presario r4000 Cto Batterylaptop battery for your daily use will bring you good mood. If you have any questions feel free to contact our customer service via E-mail. And please do check as carefully as you can before you ordering. We trust according the standard technology, each Replacement Compaq Presario r4000 Cto Batterylaptop battery will compatible well with your exact model!
Product Features
- 1 year warranty.
- 30 days money back.
- Brand-new, no refurbished.
- Korea or Japanmade grade A cells.
- Ratings: 6600mAh,14.8V
- Replacement compaq presario r4000 cto battery.
- Li-ion battery have no memory effect and environment friendly.
- Average run time:2-4 hours(minimum).
- Recharge time : 2-3 hours.
- Strict Li-ion battery circuit management.
- 350-550 full charge(discharge) times at least.
- 100% compatible with original equipment charger.
- Li-ion technology gives battery a long life and light weight.
- built-in rechargeable presario r4000 cto battery protection circuit.
- Certification: CE, CCC, Ul, ISO9001, ROHS.

As to the regular battery maintenance,if you do not promise to use each battery recharging clean thoroughly, then you should do the standard charge and discharge at least a month later,which means just filled with the charge and then put clean at last filled with again, or you can also regularly with built-in cell calibration function BIOS to maintain, this is very helpful to extend the battery's life.And then as to the mention endurance, we will talk about laptop batteries, compared with those expensive parts of the laptop, the battery status does not so important, but low status doesn't mean it has no usage, just like a great movie, there are the differences of the leading role and supporting,no doubt that the leading role plays a important rile in the film,but the supporting also have their own unique chararacters,and what's more,sometimes the suporting role can play an deciding role in moet of the movies,so we can say that the laptop batteries just like the supporting role in the computers, but at a critical moment, it will play a highlight role in the using process,the important is that the quality of the battery condition will be directly related to the your working and life when you lack of the direct power.
Battery Tips
- Do not throw the battery pack into the fire, as this could cause the explosion of the battery.
- Do not setting your battery compaq presario r4000 cto pack in the high humidity, high temperature, strong vibrative and dusty place.
- Do not dispose of battery used with other solid waste because they contain toxic substances.
- Do not heat the battery, as this could cause leakage of alkaline solution or other electronic substance.
- Do not disassemble compaq presario r4000 cto battery, as this could cause leakage of alkaline solution or other electrolytic substance.
- Do not left the battery unused for a long time or place battery in device for a long period of time if device is not being used.
- Do not expose the battery to direct sunlight or shock the battery pack by dropping or throwing it.
- Do not store or use the compaq presario r4000 cto battery in a locked and unventilated vehicle, where excessive internal temperatures may occur.
- Do not short-circuit the battery, either inadvertently or intentionally bringing the terminals into contact with another metal object such as necklaces or hairpins, this could cause a fire and damage the battery.
- If the liquid inside the battery leaks, use large quantities of water immediately to wash any liquid with a synthetic detergent.
- Keep the battery away from heat or fire, if you detect the issuance of an extraordinary odor or leakage of alkaline solution or other electrolytic substance, please dispose used batteries in accordance with the regulations that apply to the disposal of compaq presario r4000 cto batteries.