Fast shipping to worldwide,US UK AU Warehouse is available
60 days money back guarantee,2 years warranty
If you can't find the battery or chargers you need,please feel free to contact us.
Bring your laptop computer back to life with our new hp compaq CQ40 battery. This replacement battery for compaq CQ40 is specifically designed for your hp compaq CQ40 laptop computer and just what you need to unplug and be on your way. All replacement batteries supplied by eachbattery are 100% brand new and guaranteed to be free of defects in materials and workmanship. Brand new, never refurbished, 100% compatible, No memory effect, and the compaq CQ40 battery will help you power up your notebook in the office, business trips or vacations.hp compaq CQ40 batteries are here at a price you can afford and outstanding customer service.if you need hp compaq CQ40 batteries, you've come to the right place.
HP Compaq CQ40 Laptop Batteries from us with the latest battery technology including advanced circuitry, voltage regulator, and thermal circuit protection.
If your hp CQ40 laptop battery will not be in use for a longe time, Please removed from the device and stored in a cool, dry, clean place.Do not expose the battery to water or other moist wet substances.
Having a HP Compaq CQ40 battery fully charged and the laptop plugged in is not harmful, because as soon as the charge level reaches 100% the battery stops receiving charging energy and this energy is bypassed directly to the power supply system of the laptop.
Please keep battery contacts clean.HP Compaq CQ40 Battery contacts can get dirty or corroded over time and it will reduce the effective delivery of power.
When you're on the road, be sure to carry a laptop charger and plug your computer in whenever you have the chance. Unlike the older-generation rechargeable batteries like nickel-based (NiMH) batteries,modern HP Compaq CQ40 Li-ion batteries can be partially discharged and recharged repeatedly with no harmful effects.
Your screen backlight uses the most power of any component in your HP Compaq CQ40 Laptop computer,so you can save a lot of juice by turning it down to the lowest acceptable level.