Battery for HP Spectre Pro X360 G1 G2 TPN-Q157 PK03XL 11.55V 57.8Wh Laptop Battery [High Capacity & 2-Year Warranty]

**Product Overview**
Upgrade or replace your worn-out laptop battery with this high-performance 11.55V 57.8W h replacement battery, specifically designed for HP Spectre Pro X360 G1, G2, and TPN-Q157 series. This battery is a direct replacement for the original PK03XL model, offering the same voltage, capacity, and form factor for seamless integration. Whether you are a student, professional, or frequent traveler, this battery ensures your device stays powered through meetings, classes, or entertainment sessions.

**Important Voltage Warning**
Please verify your original battery voltage before purchasing. This battery is 11.55V (3-cell series). Using an incorrect voltage (e. g., 7.6V or 15.2V ) may cause damage to your device or battery. If your original battery is marked with a different voltage, please contact us for the correct model.

**Compatible Models & Part Numbers**
- HP Spectre Pro X360 G1
- HP Spectre Pro X360 G2
- HP TPN-Q157
- Replaces Part Number: PK03XL, PK03XL-1, HSTNN-LB6T, HSTNN-IB6T, HSTNN-DB6T, 917649-855, 917649-005, 917649-001

**Specifications Table**

| Parameter | Value |
|-----------|-------|
| Battery Type | Li-ion (Lithium-ion) |
| Voltage | 11.55V (Nominal) |
| Capacity | 57.8W h / 5000mAh |
| Cell Count | 3 cells |
| Color | Black |
| Weight | Approx. 320g |
| Dimensions | 270 x 80 x 8 mm (Check fitment) |
| Certification | CE, FCC, RoHS |

**Comparison Table Original vs Replacement**

| Feature | Original HP PK03XL | Our Replacement |
|---------|-------------------|----------------|
| Voltage | 11.55V | 11.55V (Exact Match) |
| Capacity | 57.8W h | 57.8W h (Same or Higher) |
| Cell Grade | Standard | Grade A (High Quality) |
| Safety Protection | Standard | Overcharge/Discharge/Short Circuit |
| Warranty | 1 Year | 2 Years (Extended) |
| Price | High | Affordable |

**Installation Tips**
1. Power off your laptop and disconnect the AC adapter.
2. Remove the bottom cover (screws may be required check your device manual).
3. Disconnect the old battery cable from the motherboard.
4. Remove the old battery and insert the new one, aligning the connectors.
5. Reconnect the cable, replace the cover, and tighten screws.
6. Charge the battery fully before first use (about 3-4 hours).
7. For optimal lifespan, avoid complete discharge; recharge when below 20%.

**Safety & Quality Assurance**
- Built with Grade A cells to prevent swelling and overheating.
- Multi-layer protection circuit board (PCB) ensures safe charging and discharging.
- Tested for 100% compatibility and performance before shipping.

**Package Includes**
- 1 x Replacement Battery (PK03XL compatible)
-


**Customer Support**
If you have any questions about compatibility or installation, please contact us. We offer 24/7 support and a hassle-free return policy.

**Note: ** This is a third-party replacement battery, not an original HP product. It is fully tested to meet or exceed OEM specifications.