Battery for Lenovo IdeaPad G400S G500S S410p S510p G405S G410S G510S Series 11.4V 2200mAh/2600mAh, L11M4P71 L11S4P71 L11L4P71 L11C4P71, 6-Month Warranty

**Product Description**
Upgrade or replace your worn-out Lenovo laptop battery with this high-performance 11.4V 2200mAh/2600mAh Li-ion battery. Specifically engineered for the IdeaPad G400S, G500S, G405S, G410S, G510S, S410p, and S510p series, this battery delivers reliable power for daily work, study, and entertainment.

** Voltage Warning**
Please confirm your original battery voltage is ** 11.4V **. This battery is NOT compatible with 10.8V or 14.4V / 14.8V models. Using an incorrect voltage may damage your device or cause safety hazards. Always check your original battery label before purchasing.

**Compatible Laptop Models (Full List) **
- Lenovo IdeaPad G400S / G400S Touch
- Lenovo IdeaPad G500S / G500S Touch
- Lenovo IdeaPad G405S / G405S Touch
- Lenovo IdeaPad G410S / G410S Touch
- Lenovo IdeaPad G510S / G510S Touch
- Lenovo IdeaPad S410p / S410p Touch
- Lenovo IdeaPad S510p / S510p Touch

**Replacement Part Numbers (OEM) **
L11M4P71, L11S4P71, L11L4P71, L11C4P71, L11M4P02, L11S4P02, L11L4P02, L11C4P02, L11S6P01, L11M6P01, L11C6P01, L11L6P01, L11S6P02, L11M6P02, L11C6P02, L11L6P02, L11L6Y01, L11S6Y01, L11M6Y01, L11C6Y01, L11S6Y02, L11M6Y02, L11C6Y02, L11L6Y02, L11M4Y01, L11S4Y01, L11L4Y01, L11C4Y01, L11M4Y02, L11S4Y02, L11L4Y02, L11C4Y02, L11L4Y21, L11S4Y21, L11M4Y21, L11C4Y21, L11L4Y22, L11S4Y22, L11M4Y22, L11C4Y22, L11L6Y21, L11S6Y21, L11M6Y21, L11C6Y21, L11L6Y22, L11S6Y22, L11M6Y22, L11C6Y22.

**Specifications Table**
| Parameter | Value |
|-----------|-------|
| Battery Type | Li-ion (Lithium-ion) |
| Voltage | 11.4V |
| Capacity | 2200mAh / 2600mAh (24Wh / 30Wh) |
| Cells | 4-cell |
| Color | Black |
| Weight | Approx. 220g |
| Warranty | 6 Months |

**Comparison Table (Original vs. Replacement)**
| Feature | Original Lenovo Battery | Our Replacement Battery |
|---------|------------------------|------------------------|
| Voltage | 11.4V | 11.4V (Exact Match) |
| Capacity | 2200mAh / 2600mAh | Same or Higher |
| Safety Protection | Standard | Overcharge, Over-discharge, Short-circuit, Overcurrent |
| Compatibility | Limited to specific models | Broad compatibility across G400S/G500S/G405S/G410S/G510S/S410p/S510p series |
| Price | High | Affordable |
| Warranty | Usually 1 year (expired) | 6-Month Warranty + Support |

**Installation Tips**
1. **Power off** your laptop and disconnect the AC adapter.
2. Remove the old battery by sliding the release latch (es).
3. Insert the new battery firmly until it clicks into place.
4. Charge the battery fully (34 hours) before first use for optimal performance.
5. No driver or software installation required plug and play.

**Note: ** If your laptop does not recognize the battery immediately, try
a hard reset: remove the battery, unplug the AC adapter, hold the power button for 15 seconds, then reinstall the battery and charge.

**Package Includes**
- 1 x Replacement Battery


**Quality & Safety**
All batteries are CE, FCC, and RoHS certified. Each unit undergoes strict quality control testing before shipment. We stand behind our product with a 6-month warranty and responsive customer service.

**Order with Confidence** If you have any questions about compatibility, please contact us with your laptop model and original battery part number. We are here to help!