WP03XL Laptop Battery Replacement for HP EliteBook 830 835 840 845 860 865 G9 835 840 845 860 865 G10 EliteBook x360 1040 G9 G10 Series M73466-005 M64305-421 HSTNN-LB8W HSTNN-OB2J L78555-005

Method 1: Check your laptop model name by pressing [Win] + [R] key and entering [msinfo32] or [dxdiag], click OK to find your System Model. Then use your laptop model name to search the correct replacement battery
Method 2: Check your original battery model name and shape by opening your laptop back cover. Compare it with our product image

Note Before Purchasing
Some compatible laptop models and replacement batteries are complicated, there may be a difference in battery model name, shape, buckle location, connector type, cable length ( long or short ) etc
We suggest you open your laptop to check and confirm your original battery model and appearance, compared with our battery image, make sure that's what you need

Compatible Laptop Models (please use ctrl+f to search for your laptop model):
Replacement for HP EliteBook 830 G9
Replacement for HP EliteBook 835 G9
Replacement for HP EliteBook 840 G9
Replacement for HP EliteBook 845 G9
Replacement for HP EliteBook 860 G9
Replacement for HP EliteBook 865 G9
Replacement for HP EliteBook 830 G10
Replacement for HP EliteBook 835 G10
Replacement for HP EliteBook 840 G10
Replacement for HP EliteBook 845 G10
Replacement for HP EliteBook 860 G10
Replacement for HP EliteBook 865 G10
Replacement for HP EliteBook X360 1040 G9
Replacement for HP EliteBook X360 1040 G9 2-in-1
Replacement for HP EliteBook X360 1040 G10
Replacement for HP EliteBook X360 1040 G10 2-in-1
Replacement for HP ZBook Firefly 14 G9 Mobile Workstation
Replacement for HP ZBook Firefly 14 G10 Mobile Workstation
Replacement for HP Split X2 13-M000 Series

Battery Usage Maintenance Tips

1. New battery received, please discharge to roughly 10% ~ 20%, then charge it to full. Repeat 3 ~ 5 times to maximize initial battery performance. ( Usually the battery received with about 50% charged )
2. Do not discharge to 0%, it may damage the battery cells and accelerates the aging of battery. ( When the battery is very low, the laptop may suddenly shut down )
3. After the battery power is exhausted, please charge in time, if not charged for a long time, it may lead to battery damage
4. If you plan not to use your laptop for a long time, you need to charge it to more than 70% for storage, and the best storage time is no more than 3 months
5. If you often connect the charger to use the laptop, please use the battery power regularly, more than once a week
6. Please use the original charger or well-known brand charger, inferior charger will affect the normal charging of the battery
7. Regularly clean fan dust to increase heat dissipation and reduce power consumption, which can effectively extend the battery life
8. Percentage of remaining battery and estimate time may fluctuate up and down during battery discharge according to your operating of different software, this is normarl condition. Please pay attention to the actual use time is in the normal range
Reasons and solutions for laptop not recognizing battery

1. Could be caused by battery loose. Remove the battery and try to reinstall, make sure the connector is tighly connected ( Most batteries won't charge, you can try reinstalling the battery first )
2. May be due to conductive material damaged which the laptop motherboard and battery anode and cathode contact position, you can try to confirm it with your original battery
3. Check whether the battery drive is in normal condition, if not, download the corresponding driver software to update
4. Take out the battery and press the power button for about 15 seconds to consume the internal residual power (Do not connect the power cord), and then reinstall the battery. You can try several times
Installation Suggestion

1. Battery installation is easy, but we also recommend you to learn related installation video on the web in