Asus A31-K53 replacement battery from AccuCell with a voltage of 11.1 volts and a capacity of 6600 mAh. Due to its high capacity, the battery is slightly larger and thicker than the original battery. The energy content of the battery is 73.3 Wh. This compatible battery is suitable for the Asus battery models 31-K53, A32-K53, A41-K53, A42-K53, and similar models. The lithium-ion battery features protection against short circuits and overcharging. Thanks to Li-Ion technology, this battery has no memory effect and can be charged at any time without issues. High-performance Li-Ion battery with a capacity of 6600 mAh, giving your laptop or notebook significantly longer runtime or standby performance compared to the original battery, which usually has 4400 mAh. Its dimensions make it an ideal replacement battery. Due to the high performance with Li-Ion cells inside, this battery is thicker than the original battery, which may cause your laptop to sit slightly higher at the back (please consider this for laptop bags, docking stations, etc., as it may not fit due to the height). Li-Ion battery includes protective electronics against overcharging and short circuits. The original charger or power supply can also be used for this battery. Technical specifications (not an original Asus battery): System: Li-Ion battery, Voltage: 11.1 volts, 6600 mAh, 73.3 Wh. Dimensions: approximately 270.5 x 50.3 x 35.4 mm, Weight approximately 349 grams. The A31-K53 battery is ideally suited as a replacement or secondary battery for the following ASUS A43 series notebooks: A43B, A43BR, A43BY, A43E, A43F, A43J, A43JA, A43JB, A43JC, A43JE, A43JF, A43JG, A43JH, A43JN, A43JP, A43JQ, A43JR, A43JU, A43JV, A43S, A43SA, A43SD, A43SJ, A43SM, A43SV, A43T, A43TA, A43TK, A43U, A53 series: A53B, A53BR, A53BY, A53E, A53F, A53J, A53JA, A53JB, A53JC, A53JE, A53JH, A53JQ, A53JR, A53JT, A53JU, A53S, A53SC, A53SD, A53SJ, A53SK, A53SM, A53SV, A53T, A53TA, A53TK.