Laptop Battery for Lenovo ThinkPad E570 E575 E570C 11.4V 48Wh 01AV417 01AV418 High Capacity, 12-Month Warranty

**Product Overview**
This high-performance replacement battery is specifically designed for Lenovo ThinkPad E570, E575, and E570C laptops. It uses premium-grade lithium-ion cells to deliver the same voltage ( 11.4V ) and capacity (48Wh) as the original, ensuring your laptop runs smoothly for hours of work, study, or entertainment.

**Important Voltage Warning**
Please check your original battery voltage before ordering. This battery is 11.4V. If your original battery is 10.8V or 14.4V, it may not be compatible. Using an incorrect voltage can damage your laptop or battery. If unsure, please contact us with your laptop model and original battery part number.

**Compatible Models & Part Numbers**
- Laptop Models: Lenovo ThinkPad E570, E575, E570C
- Original Battery Part Numbers: 01AV417, 01AV418, SB10K97579, SB10K97580
- Also compatible with: 01AV419, 01AV420, SB10K97581, SB10K97582 (please verify voltage and connector type)

**Specifications Table**
| Parameter | Value |
|-----------|-------|
| Battery Type | Lithium-ion (Li-ion) |
| Voltage | 11.4V |
| Capacity | 48Wh / 4200mAh |
| Cells | 4-cell |
| Color | Black |
| Weight | Approx. 250g |
| Warranty | 12 months |

**Comparison Table**
| Feature | Our Battery | Generic Low-Cost Battery |
|---------|-------------|--------------------------|
| Cell Grade | Grade A+ (new) | Often recycled or Grade B |
| Voltage Accuracy | 11.4V ± 0.2V | May vary ± 0.5V or more |
| Safety Protections | Overcharge, over-discharge, short circuit, temp. | Basic or none |
| Capacity | 48Wh (full rated) | Often lower than advertised |
| Warranty | 12 months | 3-6 months |

**Installation Tips**
1. Turn off your laptop and unplug the AC adapter.
2. Remove the battery by sliding the release latch (s) and lifting the battery out.
3. Insert the new battery into the same slot until it clicks securely.
4. Plug in the AC adapter and charge the battery fully before first use (about 4-6 hours).
5. For best battery life, avoid complete discharge; recharge when battery level drops to 20-30%.

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

**Customer Support**
We stand behind our products. If you have any questions about compatibility, installation, or performance, please contact us. We will respond within 24 hours.

**Note: ** This is a third-party replacement battery, not an original Lenovo product. It is designed to meet or exceed OEM specifications.