Laptop Battery for Acer ES1-531 B115 R3-131T V3-371 AC14B8K, 11.4V 3220mAh 36Wh, High Capacity, Fast Shipping, 12-Month Warranty

**Product
Description: **
This high-performance replacement battery is specifically designed for Acer Aspire ES1-531, B115, R3-131T, V3-371 series laptops. It replaces the original AC14B8K battery model, providing a reliable power source for your daily work, study, and entertainment.

**Important Voltage Warning: **
Please confirm your original battery voltage is 11.4V before purchasing. Using an incorrect voltage battery may cause damage to your laptop or battery. This battery is NOT compatible with 14.8V or 15.2V models.

**Compatible Laptop Models (including but not limited to): **
- Acer Aspire ES1-531
- Acer Aspire B115
- Acer Aspire R3-131T
- Acer Aspire V3-371
- Acer Aspire E5-571 (check voltage first)
- Acer Aspire E5-573 (check voltage first)

**Compatible Original Battery Part Numbers: **
- AC14B8K
- KT. 00303.001
- KT. 00303.002

**Specifications: **
| Parameter | Value |
|-----------|-------|
| Voltage | 11.4V |
| Capacity | 3220mAh / 36Wh |
| Cell Type | Lithium-ion |
| Color | Black |
| Weight | Approx. 250g |
| Warranty | 12 Months |

**Comparison Table (vs.
Original Battery): **
| Feature | This Replacement | Original AC14B8K |
|---------|-----------------|------------------|
| Voltage | 11.4V | 11.4V |
| Capacity | 3220mAh / 36Wh | 3220mAh / 36Wh |
| Cell Quality | Grade A+ cells | OEM cells |
| Safety Protection | Overcharge/Discharge/Short Circuit | Standard protection |
| Price | Affordable | Expensive |
| Warranty | 12 Months | Usually 6 months |

**Installation Tips: **

1. Turn off your laptop and unplug the AC adapter.

2. Remove the battery compartment cover (if applicable) or unscrew the bottom panel.

3. Disconnect the old battery connector and remove the battery.

4. Insert the new battery, connect the cable, and secure the cover.

5. Charge the battery fully before first use for optimal performance.

**Package Includes: **
- 1 x Replacement Battery
(with installation guide)

**Note: **
- Please verify your laptop model and original battery part number before purchasing.
- Do not disassemble, puncture, or expose the battery to high temperatures.
- If you have any questions, feel free to contact our support team.

**Order now and enjoy fast, reliable power for your Acer laptop! **