Specifications:
Battery Type: Li-ion
Capacity: 48Wh
Voltage: 7.4V
Cells: 6-cell
Color: Black

Compatible Models:(use "ctrl+F" to find out your model quickly)
Lenovo Erazer Y40 Series
- Y40-70 Series
Lenovo Erazer Y40-70-ISE
Lenovo Erazer Y40-70-IFI
Lenovo Erazer Y40-70AM-ISE
Lenovo Erazer Y40-70AM-IFI
Lenovo Erazer Y40-70AS-ISE
Lenovo Erazer Y40-70AS-IFI
Lenovo Erazer Y40-70AT-ISE
Lenovo Erazer Y40-70AT-IFI
Lenovo Erazer Y40-70 20347
Lenovo Erazer Y40-70 80DR

- Y40-80 Series
Lenovo Erazer Y40-80-ISE
Lenovo Erazer Y40-80-IFI
Lenovo Erazer Y40-80AT-ISE
Lenovo Erazer Y40-80AT-IFI
Lenovo Erazer Y40-80FA
Lenovo Erazer Y40-80 80FA
Lenovo Erazer Y40-80 20399

Compatible Part Numbers:
L13M4P01 L13L4P01 L13C4P01

Note:
1.In order to get a correct battery please kindly double check if your original battery's Voltage and Capacity are the same as ours firstly.
2.If you are not sure,pls contact us by email,we would always be here.
3.For the new battery, we suggest all of our customers fully charge it by AC power adapter.
In order to protect your battery life, you can fully charge it to 100% and drain to 3% ,it's a cycle and the capacity will recover.
it's better to make normal use after 2 cycles and charge the battery regularly at least once a month .