Battery for Lenovo IdeaPad 1000 V1000 V2000 V3000 V1050 V1070 G400S 11.1V 5200mAh 57Wh [6-Cell] Compatible with L12S4Y02 L13M4P31 L13S4P31 12-Month Warranty

**Product Description**

This high-performance replacement battery is specifically designed for Lenovo IdeaPad 1000, V1000, V2000, V3000, V1050, V1070, and G400S series laptops. It offers a perfect balance of capacity, reliability, and safety, making it an ideal upgrade or direct replacement for your worn-out original battery.

**Important Voltage Warning**
Please confirm your original battery voltage before purchasing. This battery is ** 11.1V (3-cell series)**. It is NOT compatible with 14.4V / 14.8V or 7.4V / 7.6V systems. Using the wrong voltage may damage your laptop or battery.

**Compatible Laptop Models (including but not limited to): **
- Lenovo 1000 Series
- Lenovo V1000 / V2000 / V3000 / V1050 / V1070
- Lenovo G400S / G405S / G500S / G505S
- Lenovo IdeaPad Z400 / Z500 / Z410 / Z510 (select models with 11.1V battery)

**Replaces OEM Part Numbers: **
L12S4Y02, L13M4P31, L13S4P31, L13S4Y02, L13M4P02, L13M4P03, L13S4P02, L13S4P03, L13L4P31, L13L4P02

**Specifications Table: **
| Parameter | Value |
|-----------|-------|
| Battery Type | Li-ion (Rechargeable) |
| Voltage | 11.1V (3S1P configuration) |
| Capacity | 5200mAh / 57Wh |
| Cells | 6 cells |
| Color | Black |
| Weight | Approx. 320g |
| Connector | 4-pin (same as original) |
| Certification | CE, FCC, RoHS |

**Comparison Table (vs.
Original 4400mAh): **
| Feature | This Battery (5200mAh) | Original 4400mAh |
|---------|------------------------|------------------|
| Capacity | 5200mAh / 57Wh | 4400mAh / 48Wh |
| Run Time (Typical) | ~5-6 hours | ~4-5 hours |
| Cycle Life | 500+ cycles | 300-500 cycles |
| Safety Protection | Overcharge/Discharge/Short/Temp | Basic protection |

**Installation Tips: **

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

2. Remove the old battery by sliding the release latches (if applicable) and lifting it out.

3. Insert the new battery until it clicks into place.

4. Connect the AC adapter and charge the battery to 100% before first use.

5. For optimal lifespan, avoid draining the battery completely; recharge when it reaches 20-30%.

**Package Includes: **
- 1 x Replacement Battery (pre-installed with protective film)
-

**Warranty & Support: **
- 12-month replacement warranty against defects.
- 30-day money-back guarantee if not satisfied.
- Fast response customer service via eBay messages.

Upgrade your Lenovo laptops battery life today with this reliable, high-capacity replacement!