Laptop Battery for Lenovo S400 S410 S415 S310 S405 L12S4Z0 11.4V 32Wh 2800mAh High Capacity, 12-Month Warranty

**Product Description**
Upgrade your Lenovo laptop with this premium replacement battery, specifically designed for the S400, S410, S415, S310, S405 series and compatible with original part number L12S4Z0. Whether youre working remotely, studying, or enjoying media, this battery delivers consistent power and extended runtime.

**Important Voltage Warning**
Please verify your original battery voltage before purchasing. This battery is 11.4V (3-cell series). Using an incorrect voltage (e. g., 10.8V or 14.8V ) may cause charging issues or damage to your device. If your original battery is 10.8V, this 11.4V battery is compatible and will work normally.

**Compatible Laptop Models**
- Lenovo S400
- Lenovo S410
- Lenovo S415
- Lenovo S310
- Lenovo S405
- Other Lenovo models using battery model L12S4Z0

**Compatible Battery Part Numbers**
L12S4Z0, L12L4Z0, L12S4A0, L12L4A0, L12S4Z01, L12L4Z01

**Product Specifications**

| Specification |

Details

|
|---------------|---------|
| Battery Type | Lithium-ion (Li-ion) |
| Voltage | 11.4V |
| Capacity | 32Wh / 2800mAh |
| Cell Count | 3 cells |
| Color | Black |
| Weight | Approx. 200g |
| Dimensions | 205 x 60 x 20 mm (check fitment) |
| Warranty | 12 months |

**Comparison Table: Original vs Replacement**

| Feature | Original Lenovo Battery | This Replacement Battery |
|---------|-------------------------|--------------------------|
| Voltage | 11.4V | 11.4V (identical) |
| Capacity | 32Wh | 32Wh (same) |
| Safety Certification | Yes | CE, FCC, RoHS |
| Warranty | Varies | 12 months |
| Price | High | Affordable |

**Installation Tips**
1. Power off your laptop and unplug the AC adapter.
2. Remove the battery by sliding the release latch (if external) or unscrewing the bottom panel (if internal).
3. Insert the new battery firmly until it clicks into place.
4. Charge the battery fully before first use (about 4 hours).
5. For optimal lifespan, avoid complete discharge; recharge when battery level drops to 20%.

**Package Includes**
- 1 x Replacement Battery for Lenovo S400/S410/S415/S310/S405
(with warranty info)

**Note**
This is a third-party replacement battery, not an original Lenovo product. It is fully tested and guaranteed to meet or exceed OEM specifications. If you have any questions about compatibility, please contact us before purchasing.