Product Overview
The ON03XL is a high-quality replacement battery engineered for the HP Pavilion x360 13 (13-u / m3-u) convertibles and HP Stream 14-ax notebooks, rated at 41.5Wh (3610mAh) / 11.55V. It restores all-day battery life for browsing, Office work and media, and replaces OEM numbers such as HSTNN-LB7P, HSTNN-UB6W, 843537-421 and more with an exact drop-in fit. Grade-A Li-ion cells with BMS protection deliver stable, safe charging every day. Ships 100% brand new with a 1-year warranty.
Specifications
| Attribute | Details |
|---|---|
| Standard Model | ON03XL |
| Capacity | 41.5Wh / 3610mAh |
| Voltage | 11.55V |
| Battery Type | Li-ion |
| Cell | Grade-A |
| Color | Black |
| Condition | 100% Brand New |
| Warranty | 1-Year Warranty |
Replace Part Numbers
- ON03XL
- HSTNN-LB7P
- HSTNN-UB6W
- 843537-421
- 843537-541
- TPN-W118
- 844203-850
- 844203-855
- 915230-541
- 915486-855
Compatible Models
- HP Pavilion x360 13-u000 Series
- HP Pavilion x360 13-u102ng
- HP Pavilion x360 m3-u001DX
- HP Pavilion x360 m3-u103DX
- HP Pavilion x360 m3-u105DX
- HP Stream 14-ax000 Series
- HP Stream 14-ax010wm
- HP Stream 14-ax020wm
- HP Stream 14-ax030wm
- HP Stream 14-ax040wm
- HP Stream 14-ax010nr
- HP Stream 14-ax020nr
FAQ
Q: Which HP laptops does the ON03XL battery fit?
It fits the HP Pavilion x360 13-u/m3-u convertibles (e.g. 13-u102ng, m3-u001DX, m3-u103DX, m3-u105DX) and HP Stream 14-ax series (ax010wm to ax040wm, ax010nr, ax020nr). Verify the ON03XL code on your original battery before purchase.
Q: What capacity and voltage does it provide?
This battery is rated at 41.5Wh (3610mAh) / 11.55V, matching the original HP specification for full runtime restoration.
Q: Which OEM part numbers does it replace?
It directly replaces HSTNN-LB7P, HSTNN-UB6W, 843537-421, 843537-541, TPN-W118, 844203-850, 844203-855, 915230-541 and 915486-855.
Q: Is it safe for daily charging?
Yes — Grade-A cells and built-in BMS protection prevent overcharge, over-discharge and short circuits, backed by a 1-year warranty.