... AR4920LR Volt:11.1v Capacity:8800MAh laptop battery for AR4920LR, laptop battery,notebook batteries P/N:AR4920LRVolt:11.1v ... Acer: Aspire 4710G,Aspire 4310, Aspire 4520,Aspire 4920G,Aspire 4710Z,Aspire 4720Advantages and Features :1)High durability with extra power.2)QC pass for every battery ... 1000 times over and again3)Built-in rechargable battery protection circuits.4)certification:CE,MSDS&RoHS.5 ...