Welcome to OUWEE
Before placing your order, we highly suggest you to open the back case of your latptop and check out the exact part number of your laptop's original battery.

1.Battery Type: Rechargeable Li-ion Battery
2.Model: SN03XL
3.Voltage: 11.4V
4.Capatity: 44Wh 3860mAh
5.Connector: Please refer to the picture and check it.
6.Certificate: CE,RoHS,FCC，100% New from Manufacturer, Grade A Cell
7.Worry-Free Warranty:
At OUWEE, we believe in our battery. That's why we back them all with an 12-month warranty and provide friendly customer service, easy-to-reach support.

8.Replacement for Part Number:
SN03XL HSTNN-UB6T ST03XL HSTNN-LB7K SN03 SN03044XL HSTNN-UB5T HSTNN-DB6V 854109-850 800514-001N 800514-001 800232-241

9.Compatible Models (use "Ctrl+F to find your model quickly")
Fit for HP EliteBook 820 G3 Series
Fit for HP EliteBook 820 G4 Series
Fit for HP EliteBook 725 G3 Series
Fit for HP EliteBook 725 G4 Series
Fit for HP EliteBook 828 G4 Series

10.Package included:
1X SN03XL Battery.

11.For Optimal Use battery:
①Discharge the new battery to 5% (not 0%), then charge and cycle 3-4 times to wake up the new battery.
②The important point is to perform a full discharge charge every other month to extend battery life.
③Don't connect adapter for a long time while using the battery. It may damage the battery.
④Avoid artificial shocks, disassembly, crush or puncture. Do not dispose of in fire or water.
⑤Avoid using the battery in an environment where the temperature is too high or too low.