Battery for Lenovo Legion 5 Pro 2021 R9000P L20M4PC2 L20C4PC1 15.6" 4-Cell 80Wh 15.4V Li-ion Laptop Battery

**Product
Description: **
Upgrade your Lenovo Legion 5 Pro 2021 or R9000P laptop with this high-performance 80Wh 15.4V replacement battery. Designed to meet or exceed original OEM specifications, this battery delivers consistent power for gaming, work, and multimedia use. Whether you are replacing an old, swollen, or worn-out battery, this unit offers a seamless fit and reliable performance.

**Important Voltage Warning: **
Please confirm that your original battery voltage is 15.4V (not 11.55V or 15.2V ). Using an incorrect voltage battery may cause charging issues, system instability, or damage to your laptop. Always check your original battery label before purchasing.

**Compatible Models: **
- Lenovo Legion 5 Pro 16ACH6H (2021)
- Lenovo Legion 5 Pro 16ITH6H
- Lenovo Legion R9000P 2021
- Lenovo Legion R9000X 2021 (select models)

**Compatible Battery Part Numbers: **
- L20M4PC2
- L20C4PC1
- L20L4PC2
- L20D4PC2
- L20S4PC2
- L21M4PC2
- L21C4PC1

**Specifications: **
| Parameter | Value |
|-----------|-------|
| Battery Type | Li-ion |
| Voltage | 15.4V |
| Capacity | 80Wh / 5200mAh |
| Cells | 4-Cell |
| Color | Black |
| Weight | Approx. 320g |
| Dimensions | 285 x 60 x 10 mm (approx. ) |
| Warranty | 12 Months |

**Comparison Table (Original vs Replacement): **
| Feature | Original OEM Battery | Our Replacement |
|---------|---------------------|----------------|
| Voltage | 15.4V | 15.4V (exact match) |
| Capacity | 80Wh | 80Wh (same) |
| Cell Count | 4 | 4 |
| Compatibility | Legion 5 Pro 2021 | Legion 5 Pro 2021 & R9000P |
| Price | High | Affordable |
| Warranty | Limited | 12 Months |

**Installation Tips: **

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

2. Remove the bottom case screws (use a Phillips #0 screwdriver).

3. Gently disconnect the old battery cable from the motherboard.

4. Remove the old battery and insert the new one.

5. Reconnect the battery cable, replace the bottom cover, and tighten screws.

6. Charge the battery fully before first use (about 3-4 hours).

**Safety & Quality: **
- Built-in overcharge, over-discharge, and short-circuit protection.
- RoHS and CE certified for environmental and safety standards.
- Each battery is tested before shipping to ensure 100% functionality.

**Package Includes: **
- 1 x Replacement Battery
-


**Note: **
- This battery is NOT compatible with Legion 5 (non-Pro) or older Legion Y540/Y740 models.
- If your laptop does not charge or power on after installation, please check the battery connection and voltage compatibility.

We are committed to providing high-quality laptop batteries and excellent customer service. If you have any questions, please contact us we are happy to help!