Battery for HP KN02XL UB7F TPN-W124 916809-855 11.55V 41.7Wh 3650mAh Compatible with HP Pavilion 15, 17, Envy x360 Series 12-Month Warranty

**Product Overview**
Upgrade or replace your worn-out HP laptop battery with this high-performance KN02XL replacement. Designed to meet or exceed OEM specifications, this 11.55V 41.7W h battery provides stable power for your HP Pavilion 15, 17, Envy x360, or Spectre laptop. Whether youre working, studying, or streaming, you can count on consistent runtime and reliable safety protection.

**Important Voltage Warning**
Please verify that your original battery voltage is ** 11.55V ** before purchasing. Using an incorrect voltage battery may cause system instability or damage. This battery is NOT compatible with 10.8V, 14.4V, or 15.2V models.

**Compatible Models & Part Numbers**
- Original Part Numbers: KN02XL, UB7F, TPN-W124, 916809-855, 916809-850, 916809-851, 916809-852, 916809-853, 916809-854
- Compatible Laptop Series:
- HP Pavilion 15-ccxxx, 15-csxxx, 15-cwxxx
- HP Pavilion 17-abxxx, 17-arxxx
- HP Envy x360 15-bpxxx, 15-cnxxx
- HP Spectre x360 13-aexxx, 13-apxxx
- HP 15-bsxxx, 15-bwxxx, 15-daxxx
*Note: Not all models within a series are compatible. Please check your laptops battery compartment or original battery label for exact part number. *

**Specifications Table**
| Parameter | Value |
|-----------|-------|
| Battery Type | Li-ion |
| Voltage | 11.55V |
| Capacity | 41.7W h / 3650mAh |
| Cells | 4-cell |
| Color | Black |
| Weight | Approx. 230g |
| Warranty | 12 Months |

**Comparison Table**
| Feature | Our Battery | Generic Battery |
|---------|-------------|----------------|
| Voltage Accuracy | 11.55V (exact match) | May vary (± 0.5V ) |
| Safety Certification | Overcharge/short-circuit/overheat protection | Basic protection or none |
| Cell Quality | Grade A cells | Unknown or recycled cells |
| Warranty | 12 months | 3-6 months typically |
| Compatibility | Tested for HP Pavilion/Envy/Spectre | May not fit all listed models |

**Installation Tips**
1. Power off your laptop and unplug the AC adapter.
2. Remove the back cover (screws may vary by model).
3. Disconnect the old battery cable and remove the battery.
4. Insert the new battery, reconnect the cable, and replace the cover.
5. Charge the battery to 100% before first use for optimal performance.
6. If your laptop does not detect the battery, try
a hard reset: unplug AC, remove battery, hold power button for 15 seconds, then reinstall.

**Package Includes**
- 1x Replacement Battery

- 1x Screwdriver (if needed, for select models)

**Customer Support**
We offer 12-month warranty and 30-day hassle-free returns. If you have any questions about compatibility or installation, please contact us were here to help!