This HV03XL battery is rated 43 Whr and will normally last 3-4 hours on a full charge. This HP HV03XL battery is compatible with the X360 310 g2 models.
We are a US based business with knowledgeable support staff to assist you before and after the sale. Yes, we have a phone number and real people answer your call! Free technical support is available if you need additional help in diagnosing power problems with your battery, ac power adapter or battery meter software.
All our products carry a full 1 Year warranty and every battery is tested before it ships. We provide a 30 day money back guarantee if you are not completely satisfied. We are so confident in the quality of our batteries, we will pay for any and all shipping expenses if our product fails to perform in the first 30 days you have our battery.