TAUPO New Laptop Battery Compatible with Asus A32-K55 K55A K55N R500V A33-K55 A41-K55 A42-K55 U57A X55 X55C X55U X75 [4400mAh, 11.1V]-12 Months Warranty Battery type: Li-ion; 6-cell; Capacity: 4400mAh; Voltage: 11.1V; Color: Black Compatible Part Numbel: A32-K55 / A33-K55 / A41-K55 / A42-K55 Compatible Models: ASUS A45 A45D A45DE A45DR A45N A45V A45VD A45VG A45VM A45VS; ASUS A55 A55A A55D A55DE A55DR A55N A55V A55VD A55VM A55VS; ASUS A75 A75A A75D A75DE A75V A75VD A75VM; ASUS K45 K45D K45DE K45DR K45N K45V K45VD K45VG K45VM K45VS; ASUS K55 K55A K55D K55DE K55DR K55N K55V K55VD K55VM K55VS Replace for: ASUS K75 K75A K75D K75DE K75V K75VD K75VM?;ASUS R400 R400D R400DE R400DR R400N R400V R400VD R400VG R400VM R400VS; ASUS R500 R500A R500D R500DE R500DR R500N R500V R500VD R500VM R500VS?;ASUS U57 U57A U57D U57N U57V U57Vd U57Vm /?;ASUS X45 X45A X45C X45U X45V X45Vd X55 X55A X55C X55U X55V X55Vd X75 X75A X75V X75Vd CE-/FCC-/RoHS-Certified for safety 12 months hassle-free warranty