9 cell,11.10V,6600mAh,Li-ion, Replacement for ACER Aspire TimelineX 5820, Aspire TimelineX 5820T, Aspire TimelineX 5820TG , Travelmate 6594,Travelmate 6594E, Travelmate 6594G,Aspire TimelineX 3820, Aspire TimelineX 3820T, Aspire TimelineX 3820T-5190, Aspire TimelineX 3820TG,LT.BTP01.099 Laptop Battery Dimension: 269.20 x 47.40 x 42.80 mm Rate: 73.00 Wh | Weight: 583.80 g Capacity: 6600mAh | Color: Black Battery Type: Lithium-ion (Li-ion) | Voltage: 11.10V Please ensure the product(s) that you are going to buy fits the brand, model, part number and dimension (mentioned above) of your device.