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.

These replacement HP HSTNN-Q21C batteries are the highest quality product which have obtained international certification( CE, UL, ROHS, ISO9001/9002 ). Without any memory effect, these batteries work as powerfully as an extra power supply when traveling or being away from the home/office. With long life, our high quality HP HSTNN-Q21C batteries can be charged/discharged for more than 500-750 cycles( has been rigorously tested ). Every piece of HP HSTNN-Q21C battery pack is under the united protection of the PCP board, PCM board, intellectual power measurement circuit : automatically adjusting 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, providing full 1 year warranty for our HP laptop batteries and 30-days money back, 100% OEM compatible with the original battery. Our replacement HP HSTNN-Q21C laptop batteries have also undergone rigorous test to ensure stability and safety for users before being dispatched from the battery manufactory. Usually these 6 cell (10.8V, 5200mAh) and 12 cell(10.8V, 8800mAh) replacement HP HSTNN-Q21C batteries offer the same or even longer utilisation period as/than that of the original HP battery.

Thanks for buying HP HSTNN-Q21C battery at HPLaptopBattery.co.uk. In order to ensure the quality of this HP HSTNN-Q21C battery and get you a 100 percent satisfaction with our product, we will strictly test the product quality before shipment.

HP HSTNN-Q21C Battery Compatible Part No.

• 411462-121
• 411462-141
• 411462-251
• 411462-261
• 411462-321
• 411462-361
• 411462-421
• 411462-442
• 411463-141
• 411463-161
• 411463-251
• 411464-141
• 417066-001
• 417067-001
• 432306-001
• 432307-001
• 436281-141
• 436281-241
• 436281-251
• 436281-251
• 436281-321
• 436281-361
• 436281-422
• 436281-442
• 436281-651
• 440772-001
• 441243-141
• 441243-241
• 441243-251
• 441243-361
• 441243-421
• 441243-441
• 441425-001
• 441462-251
• 441611-001
• 446506-001
• 446507-001
• 451864-001
• 452056-001
• 452057-001
• 454931-001
• 455804-001
• 455806-001
• 460143-001
• 462337-001
• EV088AA
• EV089AA
• EX940AA
• EX941AA
• HP010515-DK023R11
• HP010515-P2T23R11
• HP010615-S2T23R11
• HSTNN-0B46
• HSTNN-C17C
• HSTNN-DB31
• HSTNN-DB32
• HSTNN-DB42
• HSTNN-DB46
• HSTNN-DB64
• HSTNN-IB31
• HSTNN-IB32
• HSTNN-IB42
• HSTNN-LB31
• HSTNN-LB311
• HSTNN-LB42
• HSTNN-OB31
• HSTNN-OB42
• HSTNN-Q21C
• HSTNN-Q33C
• HSTNN-W20C
• HSTNN-W34C
• HSTNN-XB32
• NBP6A48A1

HP HSTNN-Q21C Battery Fits Model

• G6000 Series
• G7000 Series
• Pavilion dv2000 Series
• Pavilion dv2100 Series
• Pavilion dv2200 Series
• Pavilion dv2300 Series
• Pavilion dv2400 Series
• Pavilion dv2500 Series
• Pavilion dv2600 Series
• Pavilion dv2700 Series
• Pavilion dv2800 Series
• Pavilion dv2900 Series
• Pavilion dv6000 Series
• Pavilion dv6100 Series
• Pavilion dv6200 Series
• Pavilion dv6300 Series
• Pavilion dv6400 Series
• Pavilion dv6500 Series
• Pavilion dv6600 Series
• Pavilion dv6700 Series
• Pavilion dv6800 Series
• Pavilion dv6900 Series
• Pavilion dx6600 Series
• Pavilion dx6700 Series
• Presario A900 Series
• Presario C700 Series
• Presario F500 Series
• Presario F700 Series
• Presario V3000 Series
• Presario V3100 Series
• Presario V3200 Series
• Presario V3300 Series
• Presario V3400 Series
• Presario V3500 Series
• Presario V3600 Series
• Presario V3700 Series
• Presario V3800 Series
• Presario V6000 Series
• Presario V6100 Series
• Presario V6200 Series
• Presario V6300 Series
• Presario V6400 Series
• Presario V6500 Series
• Presario V6600 Series
• Presario V6700 Series
• Presario V6800 Series

Some tips for increase the length of HP HSTNN-Q21C battery

1. Please carefully read the instructions before using the battery.
2. Before using the new HP HSTNN-Q21C battery for the first time, make sure that the battery is fully discharged and then get it charged for about 12 hours.
3. You'd better use a dedicated AC adapter when charging the new HP HSTNN-Q21C batteries.
4. You'd better turn off your HP laptop when the HSTNN-Q21C battery is charging; do not pull out the power plug or use your computer when charging.
5. If you don't use laptop for a long time, please remove the HP HSTNN-Q21C battery, and place it in a ventilated and dry place.
6.Excessively high or low temperature environment should be avoided when using the HP HSTNN-Q21C laptop battery, as the too low or too high temperature will affect the battery life.
7. Provided with best quality products at the best price as well as the best after sales service, you will be fully satisfied; if you have any questions or feedbacks about our HP HSTNN-Q21C battery or our services, please contact us directly; our customer service will reply you within 24 hours.

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

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1. Brand new,100% OEM compatible with the original HP HSTNN-Q21C 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 HP HSTNN-Q21C 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 HSTNN-Q21C battery, if you have any questions or feedbacks about our HP HSTNN-Q21C battery or our services please contact us directly, our customer service will reply you within 24 hours.