Angwel Replacement Battery(Asus A32-K53) for Asus A53E A53S A43S A53Z K43BY K43E K43S K43T K53T A54C K53SV X53U X54H - 11.1V - 5200MAH Battery type:New Replacement Voltage:11.1V Capacity:5200mah Cell:6 Color:Black Warranty:12 months Replacement battery model:ASUS A53 Series ASUS K43 Series ASUS K53 Series Overcharger and Discharger Circuit Protection, CE-/FCC-/RoHS-Certified for safety. Fast shipping from US , 1 Year Warranty! ANGWEL&reg; have registered a U.S. Trademark and the serial number is 87020589