Note:
1. The 8800mAh(12 Cell) battery offers double the runtime of the 5200mAh(6 Cell) battery and will extend out about 1 inch from the bottom of the laptop.
2. 10.8V and 11.1V are compatible,and in common use.

This replacement Compaq Presario R4000CA Series battery is the highest quality product you can buy which has passed international certification( CE, UL, ROHS, ISO9001/9002 ). No memory effect, works great as a spare providing extra power when traveling or away from the home/office. Long life, these Compaq Presario R4000CA Series batteries can be charged/discharged 500-750 cycles( have passed rigorously tested ). Every piece Compaq Presario R4000CA Series battery pack combination protection by the PCP board, PCM board, intellectual power measurement circuit : automatically adjusts the charging time to achieve the maximum amount of charge, over-charge protection, over-discharge protection, overcurrent protection, short circuit protection.

We offer superb pre-sales and after-sales service, warranty this Compaq Presario R4000CA Series battery full 1 year and 30-days money back,100% OEM compatible with the original Compaq Presario R4000CA Series laptop battery. Also our Compaq Presario R4000CA Series laptop battery have take rigid test to ensure stability and safety for users before out of the battery manufactory. Usually this high capacity( 12 Cell 8800mAh ) Compaq Presario R4000CA Series battery offer same even higher utilisation period than that of the original Compaq Presario R4000CA Series battery.

Thanks for buy Compaq Presario R4000CA Series battery at HPLaptopBattery.co.uk. In order to ensure the quality of this Compaq Presario R4000CA Series battery and let you 100% satisfied with our product, before shipment we will test the quality.

Compaq Presario R4000CA Series Battery Compatible Part No.

• 361855-001
• 361855-003
• 361855-004
• 361856-002
• 361856-003
• 367759-001
• 367760-001
• 367769-001
• 382413-001
• 382552-001
• 383492-001
• 383493-001
• 391883-001
• 394275-001
• 395751-001
• 395751-142
• 395751-251
• 395751-321
• 395751-542
• 395752-001
• 395753-002
• 396600-001
• 396601-001
• 396602-001
• 396603-001
• 398065-001
• 398752-001
• 398832-001
• 404232-001
• 407834-001
• 407835-001
• 435779-001
• 916C4130
• 916C4430
• EG414AA
• EG415AA
• HSTNN-DB09
• HSTNN-DB10
• HSTNN-DB17
• HSTNN-IB09
• HSTNN-IB10
• HSTNN-IB17
• HSTNN-IB17
• HSTNN-LB09
• HSTNN-LB17
• HSTNN-MB09
• HSTNN-MB10
• HSTNN-OB17
• HSTNN-Q05C
• HSTNN-UB09
• HSTNN-UB17
• HSTNN-W06C
• PB995A#ABA
• PB995A
• PF723A
• PM579A
• PM579A

Compaq Presario R4000CA Series Battery Fits Model

• Pavilion DV1000
• PRESARIO R4000CA SERIES
• Presario R4035CA

Some tips for increase the length of Compaq Presario R4000CA Series battery

1. Please carefully read the instructions before use the battery.
2. new Compaq Presario R4000CA Series battery for the first time use, make sure to run out all the power, then to charge about 12 hours.
4. Best to use a dedicated AC adapter for charging the new Compaq Presario R4000CA Series batteries
3. Best to turn off your Compaq laptop when the Presario R4000CA Series battery charging, don't unplug the power charging or use your computer when in charging.
5. If don't use laptop for a long time, please remove the Compaq Presario R4000CA Series battery,and placed it in ventilated and dry place.
6. Should avoid excessively high or low temperature environment to use the Compaq Presario R4000CA Series laptop battery, the temperature is too low or high will affect the battery life.

Your order will be processed within 24 hours, and we can delivery to Whole European Countries.

1. Brand new,100% OEM compatible with the original Compaq Presario R4000CA Series battery.
2. Full One Year Warranty,30 Days Money Back policy in every product we sell. During the product warranty days, unartificial defective product is free to be replaced, and we will afford all shipping fee.
3. Hi-quality,CE, RoHS, UL and ISO9001:2000 certification for quality assurance,100% safe for use.
4. Guaranteed to meet or exceed original specifications.
5. Grade-A cells(PANASONIC) for our Compaq Presario R4000CA Series replacement battery pack.
6. Best quality products at the best price with best after sales service,you will be satisfied with our service and this Presario R4000CA Series battery, if you have any questions or feedbacks about our Compaq Presario R4000CA Series battery or our services please contact us directly, our customer service will reply you within 24 hours.