This is a brand new HP nc8200 nc8230 nc8430 8510p 8710p nw8200 nw9440 nx9420 NW8240 NW8440 NX7300 NX7400 NX8220 NX8410 NX8420 8510w 8710w battery.

This battery was was made in 2 different voltage versions; A 14 volt version and an 11 volt version. You can check your battery to see which one you have. Voltage ratings on batteries are usually rounded up or down to deal with fractions. A 10.8 volt battery is the same as a 11.1 volt battery. Also, a 14.4 volt battery is the same as a 14.8 volt battery. Many laptops can use either voltage as the battery cartridge itself is identical. However on some 14 volt versions, the 11 volt battery will not have enough power to function properly.

This battery contains the very best Li-ion cells on the market from Samsung. An important specification to look for with rechargeable batteries is the mAh (mili amp hour) rating or Whr (Watt Hour). This battery is rated at 5200 mAh or 58 Whr. This is the highest rating available for a 6 cell battery pack. The higher the mAh rating, the longer your battery will run before it needs to be recharged again. There are no compatibility issues if your existing battery is rated at 4400 or 4800 mAh or a lower Whr. Simply put, more is better. And yes, this battery is probably better than your original!

All our products carry a full 2 Year warranty and every battery is charged and tested before it ships. We provide a 30 day money back guarantee if you are not completely satisfied. We are so confident in the quality of our batteries, we will pay for any and all shipping expenses if our product fails to perform in the first 30 days you have our battery, even if it is not our fault.

You can expect about 2 - 3 hours of run time with this computer battery when new, depending on your energy use. The higher capacity battery cells inside this cartridge have an energy capacity of 5200 mAh. This battery will be compatible with batteries rated at 4400 & 4800 mAh capacities while providing up to 20% more run time.

This battery replaces the HP-Compaq Business NoteBook nc8200 nc8230 nc8430 8510p 8710p nw8200 nw9440 nx9420 NW8240 NW8440 NX7300 NX7400 NX8220 NX8410 NX8420 8510w 8710w series laptop batteries and a host more which are listed at the extreme bottom of this web page.