Xtend Battery for Compaq Presario CQ40 CQ45 CQ50 CQ60 CQ61 CQ70 CQ71 Laptop Battery EV06

Compaq Presario CQ40 CQ45 CQ50 CQ60 CQ70 CQ71 Laptop Battery EV06 This is a brand new Compaq Presario CQ40 CQ45 CQ50 CQ60 CQ61 CQ70 CQ71 replacement battery. There are two key components inside your battery pack to look for when buying a new computer battery. The quality of the batterys lithium-ion cells and the quality of the computer chip set in the battery pack. This battery is built with the best components, not the cheapest.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