HPlaptopbattery.com.sg supply hiqh quality replacement batteries for HP from Singapore. Our replacement batteries for COMPAQ Presario CQ20 series are specially designed with multiple-protection circuit for maximum safety. The housing of the battery pack is made of non flammable and very durable plastic, which is fire retarded and avoids damage when dropped from low heights. Please rest assured that our replacement laptop batteries gives you a longer run time. Shop with confidence with our 30 days money back guarantee, 100% customer satisfaction and save with hplaptopbattery.com.sg.