Specification:

Battery type: Li-ion

Voltage: 11.1V (Compatible with 10.8V)

Capacity: 5200mAh

Cell: 6 Cells

recharge cycles： 500 

Operation time: Around 2-3 hours

Compatible Models：( Ctrl + F for fast search ur laptop model)

For Dell Latitude E5400 Series / E5400N / E5410 

For Dell Latitude E5500 Series / E5500N Series / E5510

Compatible Part Numbers：

KM668 / KM742 / KM752 / KM760 / KM970 / MT186 / MT187 / MT193 / MT196 / MT332 / RM649 / RM656 / 

RM661 / RM668 / PW640 / PW649 / PW651 / WU841 / WU843 / WU852 / T749D / U116D / W071D / X064D / 

P858D