This is a brand new Lap Gadgets Battery For HP/COMPAQ DV4, DV5 ,DV6, CQ40 ,CQ45, CQ 50, series laptop model, 6 cell Compatible to replace your old aging battery. Get your full battery back up time with this new compatible battery. We offer replacement batteries for your HP/COMPAQ laptop at a bargain price. We guarantee our new compatible Batteries will exceed expectations and deliver the best product quality performance. Do verify the battery part no, Color, Voltage and Amp rating printed on your current battery prior to purchase. Voltage: 10.8V (compatible 11.1V) | Capacity: 4400mAh | Qty for Battery Cells:6 cells | Battery Type: Li-ion | Color: black | Condition: Brand new | Warranty: 12 months | Package : 1pcs* battery with bubble mailer | Features: Long life battery : No Memory Effect : 100% Compatible with original battery : Built -In Protection of circuit board| Terms & Condition: Call our customer support at 9016-190-190 for warranty issues.