Battery for Lenovo L20C4P71 L20D4P71 L20M4P71 X1 Yoga Gen 6 Gen 7, 11.55V 52.5Wh, High Capacity 6-Cell Li-Polymer, 2-Year Warranty

**Product Overview**
This high-performance replacement battery is specifically designed for the Lenovo ThinkPad X1 Yoga Gen 6 and Gen 7 series. It is a direct drop-in replacement for original part numbers L20C4P71, L20D4P71, and L20M4P71. Built with premium Grade A cells, it delivers stable 11.55V voltage and 52.5W h capacity, ensuring your laptop stays powered through long workdays, video conferences, and creative projects.

**Important Voltage Warning**
Please verify that your original battery is 11.55V (not 15.36V or other voltages). Using an incorrect voltage battery may cause charging failure or damage to your device. This battery is ONLY compatible with 11.55V models.

**Compatibility List**
- Lenovo ThinkPad X1 Yoga Gen 6 (2021)
- Lenovo ThinkPad X1 Yoga Gen 7 (2022)
- Lenovo ThinkPad X1 Carbon Gen 9 (2021) 11.55V models only
- Lenovo ThinkPad X1 Carbon Gen 10 (2022) 11.55V models only

**Replaces Original Part Numbers**
L20C4P71, L20D4P71, L20M4P71, L20L4P71, L20M4P71, SB10K97582, SB10K97583, SB10K97584, 5B10W13910, 5B10W13911, 5B10W13912

**Specifications**
| Parameter | Value |
|-----------|-------|
| Battery Type | Li-Polymer |
| Voltage | 11.55V |
| Capacity | 52.5W h / 4550mAh |
| Cells | 6-Cell |
| Color | Black |
| Weight | Approx. 280g |
| Dimensions | 275 x 80 x 6.5 mm |
| Certification | CE, FCC, RoHS |

**Comparison Table**
| Feature | Our Battery | OEM Battery |
|---------|-------------|-------------|
| Capacity | 52.5W h | 52.5W h |
| Cell Grade | Grade A | OEM Grade |
| Protection IC | Smart IC | Standard IC |
| Warranty | 2 Years | 1 Year |
| Price | Competitive | Higher |

**Installation Tips**
1. Power off your laptop and disconnect the AC adapter.
2. Remove the bottom cover (Torx T5 screwdriver required).
3. Disconnect the old battery cable from the motherboard.
4. Remove the old battery and insert the new one.
5. Reconnect the cable, replace the cover, and charge to 100% before first use.
6. If the battery does not charge immediately, try
a hard reset: unplug AC, hold power button for 15 seconds, then reconnect.

**Package Includes**
- 1x Replacement Battery
-
- 1x Installation Guide

**Note**
This is a compatible aftermarket battery, not an OEM product. It is fully tested to meet or exceed original specifications. For any questions, please contact our support team we are here to help.