Tips: Please check carefully about your laptop model name/battery part number/battery shape and size to make sure you purchase the correct battery.

Specification:
Battery type: Li-ion
Voltage: 10.8V (Compatible with 11.1V)
Capacity: 4400mAh /48Wh
Cell: 6 Cells
recharge cycles： 500
Operation time: Around 2-3 hours

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

For Lenovo E430 E435 E49 E530 E535

For Lenovo B480 B485 B490 B495 B580 B585 B590 B595    

For Lenovo V380 V385 V480 V485 V580 V585

For Lenovo M480 M490 M495 M580 M595 K49  

Compatible Part Numbers：

FOR LENOVO 121500047 121500050 3ICR19/65-2 45N1042 45N1043 45N1044 45N1048 45N1049 45N1055 L11S6Y01(3INR19/65-2)

How to confirm that the battery is suitable for your laptop? Method 1: Use System Information to find your laptop model Step 1: Press Windows + R to open Run window. Step 2: Input "msinfo32" in the empty box and click OK to open System Information. Step 3: Keep in the System Summary section, and you will find the System Model item in the right pane. Method 2: Remove Battery from Laptop to find your laptop battery part number Step 1: Switch off the laptop and unplug the power cable in case of electric shock Step 2: Remove the back panel with the screwdriver. You should to this with care avoiding any harm to the laptop components. Step 3: Disconnect the cable connected to the battery and then take out the battery. After that, you can check the specifications of your battery.
Install A New Battery: You need to turn off your laptop and disconnect the power. Disconnect the connection between the old battery and the motherboard to avoid unnecessary damage caused by disassembling the battery. Then unscrew the old battery screws one by one and carefully save each screw. Remove the old battery, carefully install the new battery on the battery case, screw in the screw, and connect the wiring of the new battery. If you don't understand the above steps, you can search for the video about laptop battery installation on YouTube. Maybe it will help you	Laptop Battery Instructions: Discharge the new battery to 10% (not 0%), then charge(100%) and cycle 3-5 times to wake up the new battery. It can calibrate the state of the battery by performing a complete and effective charging and discharging of the battery once a month. Charge it to around 50% when you store it long term. Do not keep your battery below 5% or deep discharge state (long time 0%), may turn on battery protection and cause the battery to fail to charge. Please feel welcomed to notify us of any inconvenience or fault in our battery.	The following are troubleshooting methods: Turn off the laptop. Unplug AC power. Remove the battery. Replace AC power. Turn on laptop,allow OS to boot. Once logged into the machine, perform a normal shut down. Unplug AC power. Replace battery.