Battery for Acer Aspire VN7-571, VN7-591G, VN7-592G, VN7-791 Series - AC14A8L, 15.2V 4420mAh 54Wh, Li-ion, High Capacity, 1-Year Warranty

**Product Description**
Upgrade or replace your aging Acer laptop battery with this high-performance AC14A8L replacement. Designed specifically for the Acer Aspire VN7 series, this battery delivers stable power output and consistent performance for work, study, or entertainment.

**Important Voltage Warning**
Please verify your original battery voltage before purchasing. This battery is 15.2V (4-cell series). Using an incorrect voltage battery may cause system instability or damage. If your original battery is 11.1V or 14.8V, this product is NOT compatible.

**Compatibility List**
This battery works with the following Acer laptop models (please confirm your model number before ordering):
- Acer Aspire VN7-571 / VN7-571G
- Acer Aspire VN7-591G / VN7-592G
- Acer Aspire VN7-791 / VN7-791G

**Replacement Part Numbers**
- AC14A8L
- KT. 0040G. 001
- KT. 0040G. 002

**Product Specifications**

| Specification | Detail |
|---------------|--------|
| Battery Type | Li-ion |
| Voltage | 15.2V |
| Capacity | 4420mAh / 54Wh |
| Cell Count | 4 cells |
| Color | Black |
| Weight | Approx. 280g |
| Warranty | 12 Months |

**Comparison Table: Original vs Replacement**

| Feature | Original AC14A8L | Our Replacement |
|---------|------------------|----------------|
| Voltage | 15.2V | 15.2V (identical) |
| Capacity | 4420mAh | 4420mAh (identical) |
| Safety Circuits | Standard | Enhanced protection |
| Price | High | Affordable |
| Warranty | Limited | 12 Months |

**Installation Tips**
1. Power off your laptop and disconnect the AC adapter.
2. Remove the bottom panel screws (refer to your laptop manual for exact locations).
3. Carefully disconnect the old battery cable and remove the battery.
4. Insert the new battery, connect the cable, and secure the panel.
5. Charge the battery fully before first use for optimal performance.

**Note: ** If your laptop does not recognize the new battery, please
perform a hard reset: disconnect AC power, remove the battery, hold the power button for 30 seconds, then reinstall the battery and connect power.

**Package Includes**
- 1 x Replacement Battery


**Quality Assurance**
Each battery undergoes strict quality control testing for capacity, voltage, and safety. We stand behind our product with a 12-month warranty and friendly customer support. If you have any questions, please contact us we are here to help.