C21-X202 Battery for Asus VivoBook Q200E S200 X201E S200E X202E X201 S200E-RHI3T73 Series [7.4V 5000MAH Emaks Compatible Part Number: C21-X202;Capacity: 5000mAh; Voltage: 7.4V. Safe battery: CE-/FCC-/RoHS Certificates are tested by reputable, qualified and accredited testing laboratories, ensures superior performance, quality and safety Superior quality: strict guidelines for compatibility,grade A cells, high capacity and low power consumption, built-in circuit protection, avoid over-voltage, over-current and over-temperature, meet with environmental and safety requirement Operating time: the actual operation time will depend on hardware/software being run as well as power management settings and the laptop's energy efficiency Warranty & service: :Reliable and friendly customer service ready to respond within a 24 hour time frame. 30-Day Money Back Guarantee, 6 Month Replacement Warranty and Lifetime Support Guarantee