Replacement COMPAQ Presario CQ40-509AX

COMPAQ Presario CQ40-509AX Guarantee

• 1 year warranty, 30 days money back guarantee, 100% brand new.
• Never sell used or refurbished batteries.
• Shopping with us is safe and secure, 100% customer satisfaction.
• Worldwide Shipping, includes USA, Canada, Australia, New Zealand, United Kingdom, Ireland etc 200 Countries. The shipping cost is US $10.00.
• Items are generally shipped out in 1-2 days after payment is received.
• Any questions, please don't hesitate to contact us.

Some tips for the new replacement COMPAQ Presario CQ40-509AX battery

• Please charge 3-4 hours before using the new battery for COMPAQ Presario CQ40-509AX laptop for the first time; normally it requires two to three charge/discharge cycles before achieving maximum capacity.
• If external power supply will be used for a long time, please remove the replacement Presario CQ40-509AX battery from your COMPAQ laptop, which can increase the battery life, as connecting to a power supply each time is considered to be a single battery charge.
• Never short-circuit the repalcement battery for COMPAQ Presario CQ40-509AX laptop battery pack by either accidentally or intentionally bringing the terminals in contact with another metal object. This could cause personal injury or a fire, and could also damage the battery pack. .
• If your replacement COMPAQ Presario CQ40-509AX battery will not be in use for a long time, remove it from your laptop and store it in an Anti-Static bag in a dry, cool place; Make sure that the battery is preserved with electricity(about 30-50% of its capacity) and it is highly recommended that the battery should be charged at least once a month.