Battery for Hasee Z7M-CT7GS, Z7-KP5GZ, Z7-KP7GZ, CT7GK, GK5S02, GK5CN Series 11.4V 4100mAh 47Wh 1-Year Warranty

**Product Overview**
This high-performance replacement battery is specifically designed for Hasee Z7M-CT7GS, Z7-KP5GZ, Z7-KP7GZ, CT7GK, GK5S02, GK5CN, and other GK5 series laptops. With a standard capacity of 4100mAh / 47Wh and a voltage of 11.4V, it provides a reliable power source to keep your laptop running through work, study, or entertainment.

**Important Voltage Warning**
Please confirm your original battery voltage is 11.4V before purchasing. Using an incorrect voltage may cause damage to your laptop or battery. If you are unsure, check the label on your old battery or contact us with your laptop model.

**Compatibility List**
This battery is compatible with the following laptop models (not exhaustive):
- Hasee Z7M-CT7GS
- Hasee Z7-KP5GZ
- Hasee Z7-KP7GZ
- Hasee Z7-CT7GK
- Hasee GK5S02
- Hasee GK5CN
- Hasee GK5CP
- Hasee GK5CN5Z
- Hasee GK5CN6Z
- Hasee GK5CN7Z
- Hasee Z7M-KP5GZ
- Hasee Z7M-KP7GZ
- Hasee Z7-CT7GK
- Hasee Z7-CT7GS
- Hasee Z7-KP7GS

**Replacement Part Numbers**
This battery replaces the following original part numbers:
- GK5CN
- GK5S02
- GK5CP
- GK5CN5Z
- GK5CN6Z
- GK5CN7Z
- 11.4V 4100mAh 47Wh battery for GK5 series

**Specifications Table**
| Parameter | Value |
|-----------|-------|
| Battery Type | Li-ion |
| Voltage | 11.4V |
| Capacity | 4100mAh / 47Wh |
| Cells | 4-cell |
| Color | Black |
| Weight | Approx. 250g |
| Dimensions | 270 x 70 x 6mm (may vary slightly by model) |
| Warranty | 1 Year |

**Comparison Table**
| Feature | Our Battery | Generic Battery |
|---------|-------------|----------------|
| Capacity | 4100mAh / 47Wh | Often lower (e. g., 3800mAh) |
| Voltage Accuracy | 11.4V ± 0.1V | May vary ± 0.5V |
| Safety Protections | Overcharge, over-discharge, short circuit, over-temp | Basic or none |
| Certification | CE, RoHS, FCC | Often uncertified |
| Warranty | 1 Year | 90 days or none |

**Installation Tips**
1. Power off your laptop and unplug the AC adapter.
2. Remove the bottom cover (screws may vary use a suitable screwdriver).
3. Disconnect the old battery cable from the motherboard.
4. Remove the old battery and insert the new one.
5. Reconnect the cable and secure the bottom cover.
6. Charge the battery fully before first use for optimal performance.

**Safety & Quality**
Each battery undergoes strict quality control and is protected by multiple safety circuits. We recommend using only certified chargers to extend battery life.

**Package Includes**
- 1 x Replacement Battery
- 1 x Installation Guide (English)

**Customer Support**
If you have any questions about compatibility or installation, please contact us via eBay/Newegg messaging. We are here to help within 24 hours.

**Note: ** This is a third-party replacement product, not an original OEM item. All trademarks and model numbers are for reference only.