Battery for Hasee Z7M-CT7GS, Z7-KP5GZ, Z7-KP7GZ, Z7-CT7GK, GK5S02, GK5CN Series 11.4V 4100mAh 47Wh [2-Year Warranty]

**Product Overview**
This high-performance replacement battery is specifically designed for Hasee ) Z7M-CT7GS, Z7-KP5GZ, Z7-KP7GZ, Z7-CT7GK, GK5S02, GK5CN, and other GK5 series laptops. Built with premium-grade Li-ion cells, it delivers the exact 11.4V voltage and 4100mAh capacity required by your system, ensuring stable power delivery and extended runtime for gaming, work, or streaming.

**Important Voltage Warning**
This battery is 11.4V. Do NOT use a 11.1V or 14.4V battery as a replacement. Using an incorrect voltage can cause system instability, failure to charge, or permanent damage to your laptops motherboard. Always verify your original batterys voltage before purchasing.

**Compatible Models & Part Numbers**
This battery replaces the following original battery part numbers and fits these laptop models (not a full list, please
check your model number):

- 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 GK5CN8Z
- Hasee GK5CN9Z
- Hasee GK5CN10Z
- Hasee GK5CN11Z
- Hasee GK5CN12Z
- Hasee GK5CN13Z
- Hasee GK5CN14Z
- Hasee GK5CN15Z

**Specifications Table**

| Parameter | Value |
|-----------|-------|
| Battery Type | Li-ion (Lithium-ion) |
| Voltage | 11.4V |
| Capacity | 4100mAh / 47Wh |
| Cell Count | 4 cells |
| Color | Black |
| Weight | Approx. 250g |
| Warranty | 2 Years |

**Comparison Table: Original vs. Our Replacement**

| Feature | Original Battery | Our Replacement |
|---------|-----------------|----------------|
| Voltage | 11.4V | 11.4V |
| Capacity | 4100mAh | 4100mAh |
| Cell Quality | OEM standard | Grade A cells |
| Safety Protection | Yes | Overcharge/short circuit/overheat protection |
| Warranty | Limited | 2-Year Full Warranty |
| Price | High | Affordable |

**Installation Tips**
1. Power off your laptop and unplug the AC adapter.
2. Remove the back cover (screws may be located near the battery area).
3. Disconnect the old battery cable and gently lift out the battery.
4. Insert the new battery, reconnect the cable, and replace the cover.
5. Charge the battery fully before first use (about 46 hours).
6. If the battery is not detected, check the cable connection and restart the laptop.

**Package Includes**
- 1 x Replacement Battery ( 11.4V 4100mAh)
- 1 x Screwdriver (if needed for your model)


**Quality & Safety**
Our batteries are CE, FCC, and RoHS certified. Each unit undergoes strict quality control testing for voltage stability, capacity accuracy, and safety performance. We use only Grade A cells to minimize swelling risk and maximize cycle life (typically 500+ charge cycles).

**Customer Support**
We offer a 30-day money-back guarantee and a 2-year warranty. If you have any questions about compatibility, installation, or performance, please contact us. We typically respond within 24 hours on business days.

**Note**
Please confirm your laptop model and original battery voltage ( 11.4V ) before ordering. If your battery is 11.1V or 14.4V, this product will not work and may cause damage.