Welcome to OUWEE
OUWEE are mainly sold adapter, laptop and Tablet battery, power bank , etc.
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: WP03XL
3.Voltage: 11.58V
4.Capacity: 51Wh 4249mAh
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:
WP03XL M73466-005 M64305-421 L78555-005 HSTNN-LB8W HSTNN-OB2J

9.Compatible Models (use "Ctrl+F to find your model quickly")
Fit for HP EliteBook 830 835 840 845 860 865 G9 Series
Fit for HP EliteBook 830 835 840 845 860 865 G10 Series
Fit for HP EliteBook x360 1040 G9 G10 Series

Not all models are listed,please check the part number of your original battery.

10.Package included:
1X WP03XL 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.