AS10D31 AS10D41 AS10D51 AS10D61 AS10D71 AS10D73 AS10D75 AS10D81 11.1V 48Wh 6-Cell Battery for Acer Aspire E1-531/E1-571/V3-571G

**Product Overview**
Upgrade or replace your worn-out laptop battery with this high-performance replacement for Acer series. Designed to meet or exceed OEM specifications, this 11.1V 4400mAh Li-ion battery provides dependable power for work, study, and entertainment on the go.

**Important Voltage Warning**
Please verify your original battery voltage before purchasing. This battery is 11.1V (3-cell series). Do not use it with laptops requiring 14.8V or 7.4V batteries, as incorrect voltage may damage your device.

**Compatible Models (Laptop Series) **
- Acer Aspire E1-531, E1-571, E1-531G, E1-571G
- Acer Aspire V3-571, V3-571G, V3-571PG
- Acer Aspire 5750, 5750G, 5755, 5755G
- Acer Aspire 7750, 7750G
- Acer TravelMate series (check original battery part number)

**Compatible Battery Part Numbers**
AS10D31, AS10D41, AS10D51, AS10D61, AS10D71, AS10D73, AS10D75, AS10D81, AS10D3J, AS10D5J, AS10D6J, AS10D7J, AS10D8J

**Specifications**
- Chemistry: Lithium-Ion (Li-ion)
- Voltage: 11.1V
- Capacity: 4400mAh / 48Wh
- Cells: 6-cell
- Color: Black
- Weight: Approx. 320g
- Dimensions: 271.0 x 50.0 x 21.0 mm (check fitment)

**Comparison Table**
| Feature | Our Battery | Generic Low-Cost Battery |
|---------|-------------|--------------------------|
| Capacity | 4400mAh (48Wh) | Often 2200-2600mAh (under 30Wh) |
| Safety Protection | Full circuit protection | Basic or none |
| Warranty | 12 months | 3-6 months |
| Cell Quality | Grade A cells | Unknown recycled cells |

**Installation Tips**

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

2. Remove the battery lock and slide out the old battery.

3. Insert the new battery until it clicks into place, then lock it.

4. Charge the battery fully (3-4 hours) before first use for optimal performance.

5. If the battery does not charge, check that the connection is secure and the AC adapter is working.

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

**Note**
This is a compatible replacement product, not an OEM original. However, it is rigorously tested to ensure perfect fit and function. If you have any questions about compatibility, please contact us with your laptop model and original battery part number.