Power Specs: Battery Type: Li-polymer Voltage: 11.1V Capacity: 5200Mah; The battery is durable and has overcurrent protection, anti-overcharge, anti-overdischarge and temperature control functions. 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 Security & Reliability: Our batteries are assembled from top quality material and circuit boards to ensure fast charges and low power consumption, 100% New from Manufacturer, Overcharge and Overdischarge Circuit Protection, Over-temperature and Short-circuit Protection, up to 500 recharge cycles over the life of the battery, meet OEM standard. Warranty & Support: Full refund in 30 days, 12 months warranty. If any issues about the product within 365 days, click the button "ASK A QUESTION" and CONTACT US, we will respond within 24 hours via emails and give you friendly after-sales service. Press [CTRL + F] to search your laptop model/part number.

Compatible ModelsAsus A45
A45D
A45DE
A45DR
A45N
A45V
A45VD
A45VG
A45VM
A45VS
A55
A55A
A55D
A55DE
A55DR
A55N
A55V
A55VD
A55VM
A55VS
A75 A75A
A75D
A75DE
A75V
A75VD
A75VM
K45
K45D
K45DE
K45DR
K45N
K45V
K45VD
K45VG
K45VM
K45VS
K55
K55A
K55D
K55DE
K55DR
K55N
K55V
K55VD
K55VM
K55VS
K75
K75A
K75D
K75DE
K75V
K75VD
K75VM
R400
R400D
R400DE
R400DR
R400N
R400V
R400VD
R400VG
R400VM
R400VS
R500
R500A
R500D
R500DE
R500DR
R500N
R500V
R500VD
R500VM
R500VS
R700
R700A
R700D
R700DE
R700V
R700VD
R700VM
U57
U57A
U57V
U57VD
U57VM
X45
X45A
X45C
X45U
X45V
X45VD
X55
X55A
X55C
X55U
X55V
X55VD
X75
X75A
X75V
X75VD Compatible Part NumbersAsus A32-K55
A33-K55
A41-K55