Product Overview
The WA03XL is a Grade-A 3-cell 48Wh / 4212mAh Li-ion replacement battery at 11.4V for HP Pavilion x360 14-Ba, 15-Bk and 15-Br series convertibles. Flex-3 certified smart-battery communication ensures accurate charge display and safe charging cycles with over-voltage and temperature protection. It replaces HSTNN-UB7H, HSTNN-LB7T, TPN-W126, 916367-541 and 916812-055 with a precise 1:1 fit. Ships 100% brand new with a 1-year warranty.
Specifications
| Attribute | Details |
|---|---|
| Standard Model | WA03XL |
| Capacity | 48Wh / 4212mAh |
| Voltage | 11.4V |
| Battery Type | Li-ion (3 Cells) |
| Cell Grade | Grade-A |
| Flex-3 Compatible | Yes |
| Condition | 100% Brand New Replacement Battery |
| Warranty | 1-Year Warranty |
Replace Part Numbers
- WA03XL
- HSTNN-UB7H
- HSTNN-LB7T
- TPN-W126
- 916367-541
- 916812-055
Compatible Models
- For HP Pavilion x360 14-Ba Series
- For HP Pavilion x360 15-Bk Series
- For HP Pavilion x360 15-Br Series
FAQ
Does the WA03XL fit the HP Pavilion x360 15-br series?
Yes. The WA03XL replaces the OEM batteries in HP Pavilion x360 14-Ba, 15-Bk and 15-Br series laptops. It also cross-references HSTNN-UB7H, HSTNN-LB7T and TPN-W126.
Is the WA03XL battery brand new?
Yes — it is 100% brand new with Grade-A Li-ion cells and Flex-3 certified smart-battery protection for safe, accurate charging.
What warranty is included?
A 1-year warranty is included covering manufacturing defects, with dedicated after-sales support.