Laptop Battery for Acer Aspire 4741G 4743G 4752G 4738G 5750G E1-471G E1-571G, 11.1V 4400mAh 48Wh, Replaces AP11B3K AP11B8K, 1-Year Warranty

**Product Description**
Upgrade your Acer laptop with a reliable, high-performance replacement battery designed to restore your devices original power and mobility. Whether youre working remotely, attending online classes, or streaming media, this battery provides consistent energy to keep you productive.

** Important Voltage Warning**
Please confirm your original battery voltage before ordering. This battery operates at ** 11.1V (3-cell configuration)**. If your original battery is ** 14.8V (4-cell)** or ** 10.8V **, this model will NOT be compatible. Using an incorrect voltage may cause damage to your laptop or battery.

** Compatible Acer Laptop Models (Partial List) **
- Acer Aspire 4741 / 4741G / 4741Z
- Acer Aspire 4743 / 4743G / 4743Z
- Acer Aspire 4752 / 4752G
- Acer Aspire 4738 / 4738G
- Acer Aspire 5750 / 5750G
- Acer Aspire E1-471G / E1-571G
- Acer Aspire 5733 / 5733Z
- Acer Aspire 7739G / 7741G
- Acer TravelMate 4730 / 4730G
*Note: Not all configurations are listed. Please check your laptops bottom label or original battery part number. *

** Replacement Part Numbers**
AP11B3K, AP11B8K, AP11B6K, AP11B5K, AP11B4K, AP11B2K, AP11B1K, AP11B0K, MS2362, BT. 00603.016, BT. 00604.001, BT. 00605.002, LC. BTP 00.011, LC. BTP 00.013, LC. BTP 00.014, LC. BTP 00.015, LC. BTP 00.016, LC. BTP 00.017, LC. BTP 00.018, LC. BTP 00.019, LC. BTP 00.020

**

Specifications

Table**

| Specification | Detail |
|---------------|--------|
| Battery Type | Li-ion (Rechargeable) |
| Voltage | 11.1V (3-cell) |
| Capacity | 4400mAh / 48Wh |
| Color | Black |
| Cell Quality | Grade A+ Cells |
| Protection | Overcharge, Over-discharge, Short-circuit, Over-current |
| Warranty | 1 Year |

** Comparison Table (Original vs. Replacement)**

| Feature | Original Battery | Our Replacement |
|---------|-----------------|----------------|
| Capacity | 4400mAh | 4400mAh (same) |
| Voltage | 11.1V | 11.1V (exact match) |
| Cell Quality | Standard | Grade A+ (higher reliability) |
| Safety Protection | Basic | Full protection circuit |
| Price | High | Affordable |
| Warranty | Limited | 1 Year |

** Installation Tips**
1. Power off your laptop and unplug the AC adapter.
2. Remove the battery latch or slide lock (if applicable).
3. Gently lift the old battery out of the compartment.
4. Insert the new battery until it clicks into place.
5. Charge the battery fully (about 34 hours) before first use.
6. For optimal lifespan, avoid complete discharge; recharge when battery level drops below 20%.

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

** Customer Support**
If you have any questions about compatibility or installation, please contact us before purchasing or within 30 days of receipt. We are here to help you get the right battery for your Acer laptop.