Original battery ASUS model C21N1509 (protected code: 2ICP5/63/134), designed to ensure reliable performance and durability for your laptop. Equipped with a voltage of 7.6V, capacity of 38Wh and 5000mAh, this lithium polymer battery provides an optimal energy to prolong work or navigation sessions without having to immediately resort to the power supply. It is the perfect replacement for batteries with ASUS codes: 0B200-01750000, 0B200-01750700 and compatible. Compatible with ASUS VivoBook X556, K556, A556, F556 and all their variants (X556UA, X556UB, X556UF, X556UJ, X556UQ, X556UQ, X556UV, F556UQ, F556UV, etc.). Voltage: 7.6V Capacity: 38Wh / 5000mAh Battery Type: Lithium Ions (Li-Ion) Number of Cells: 2 Certifications: CE, FCC, RoHS Model Code: C21N1509 (2ICP5/63/134) Compatible Brand: Asus Compatible Product Lines: VivoBook Compatible Models: X556, K556, A556, F556 and variants (X556UA, X556UB, X556UF, X556UJ, X556UQ, X556UR, X556UV, F556UQ, F556UV, etc.) Warranty and Assistance Simpletek Product assembled and tested by Simpletek engineers in Arezzo. Each unit is verified for quality and reliability. Included 1 year warranty on refurbished products and dedicated technical support. Simpletek - Italian quality since 2010. Products assembled and tested in Arezzo.