Battery for HP Pavilion 15 2021 TPN-Q245 15-eg0010TX 17-cn0000 Series, HW03XL, 11.55V 41Wh, High Capacity, 2-Year Warranty

**Product Overview**
This replacement battery is specifically designed for HP Pavilion 15 (2021) models with model number TPN-Q245, including the 15-eg0010TX, 17-cn0000 series, and other compatible devices using the HW03XL battery. It provides a perfect fit and stable performance, ensuring your laptop stays powered throughout your day.

**Important Voltage Warning**
Please confirm your original battery voltage before purchasing. This battery is rated at 11.55V. If your original battery is 11.25V or 11.4V, this battery is still compatible and will work correctly. However, if your original battery is 7.6V or 14.4V, this product is NOT compatible. Always check the voltage printed on your old battery.

**Compatible Models (Partial List) **
- HP Pavilion 15-eg0010TX, 15-eg0011TX, 15-eg0012TX
- HP Pavilion 15-eg0000 series (2021)
- HP Pavilion 17-cn0000, 17-cn0001TX, 17-cn0002TX
- HP Pavilion 15-eg2000 series (verify voltage)
- HP Envy x360 15-ew0000 series (verify voltage)
- Also fits: TPN-Q245, TPN-Q246, TPN-Q247 motherboard platforms

**Replacement Part Numbers**
- HW03XL
- HSTNN-LB7X
- HSTNN-DB7X
- 920070-421
- 920070-422
- 920070-423
- 920070-424

**Specifications**
| Parameter | Value |
|-----------|-------|
| Battery Type | Li-ion |
| Voltage | 11.55V |
| Capacity | 41Wh / 3550mAh |
| Color | Black |
| Cell Count | 3 cells |
| Weight | Approx. 220g |
| Warranty | 2 Years |

**Comparison Table**
| Feature | Original HP Battery | This Replacement |
|---------|---------------------|------------------|
| Voltage | 11.55V | 11.55V (exact match) |
| Capacity | 41Wh | 41Wh (same) |
| Safety Protection | Yes | Yes (multi-layer) |
| Price | High | Affordable |
| Warranty | 1 year | 2 years |

**Installation Tips**
1. Power off your laptop and unplug the AC adapter.
2. Remove the bottom cover screws (Phillips #0) and carefully lift the cover.
3. Disconnect the old battery cable from the motherboard.
4. Remove the screws securing the old battery and lift it out.
5. Place the new battery in the same position, reconnect the cable, and secure with screws.
6. Replace the bottom cover and power on your laptop.
7. For best performance, fully charge the battery before first use.

**Note**
This is a third-party replacement battery, not an original HP product. It is fully tested and meets or exceeds OEM specifications. If you have any questions about compatibility, please contact us with your laptop model and original battery part number.