Laptop Battery for Lenovo ThinkPad P50 P51 P52 00NY492 SB10H45075 00NY490 00NY491 11.4V 90Wh 6-Cell High Capacity [2-Year Warranty]

**Product Overview**
This high-performance replacement battery is specifically designed for Lenovo ThinkPad P50, P51, and P52 mobile workstations. It uses Grade A+ lithium-ion cells to deliver stable power output, matching the original 11.4V voltage and 90Wh capacity. Whether you are running CAD, video editing, or virtual machines, this battery ensures your laptop stays powered throughout the day.

** Important Voltage Warning**
Please confirm your original battery voltage is ** 11.4V ** before purchasing. This battery will NOT work with 10.8V or 14.4V models. Using an incorrect voltage battery may cause charging failure, system instability, or permanent damage to the motherboard.

**Compatible OEM Part Numbers**
00NY492, 00NY490, 00NY491, SB10H45075, SB10H45071, SB10H45073, SB10K97553, SB10K97555, SB10K97557, 5B10W13907, 5B10W13908, 5B10W13909

**Compatible Laptop Models**
- Lenovo ThinkPad P50 (20EN, 20EQ)
- Lenovo ThinkPad P51 (20HH, 20HJ, 20MM, 20MN)
- Lenovo ThinkPad P52 (20M9, 20MA)

**Specifications Table**

| Parameter | Value |
|-----------|-------|
| Battery Type | Li-ion (Rechargeable) |
| Voltage | 11.4V |
| Capacity | 90Wh / 7800mAh |
| Cells | 6-Cell |
| Color | Black |
| Weight | Approx. 340g |
| Certification | CE, FCC, RoHS |
| Warranty | 2 Years |

**Comparison Table**

| Feature | Our Battery | Generic 66Wh Battery |
|---------|-------------|----------------------|
| Capacity | 90Wh | 66Wh |
| Runtime (Typical Use) | 810 hours | 56 hours |
| Cell Grade | Grade A+ | Mixed Grade |
| Voltage Accuracy | 11.4V ± 0.1V | Often 10.8V or 11.1V |
| Safety Certifications | CE, FCC, RoHS | Usually None |
| Warranty | 2 Years | 612 Months |

**Installation Tips**
1. **Power off** your laptop and disconnect the AC adapter.

2. Slide the battery release latch to remove the old battery.

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

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

5. If the battery is not recognized immediately, restart the laptop once.

**Package Includes**
- 1x Replacement Battery ( 11.4V 90Wh)


**Frequently Asked Questions**
**Q: Will this battery work with my ThinkPad P52s? **
A: No, P52s uses a different battery shape and voltage. Please check your original part number.

**Q: My laptop shows Battery not charging what should I do? **
A: Ensure the battery is fully seated. If the issue persists, update your BIOS to the latest version from Lenovos support site.

**Q: Is this battery compatible with the 00NY491? **
A: Yes, 00NY491 is one of the direct replacement models.

**Why Choose Us? **
We specialize in laptop batteries for over 10 years, serving thousands of customers on eBay and Newegg. Every battery undergoes strict quality control and real-machine testing before shipping. Your satisfaction is our top priority.

**Order with confidence 2-year warranty and hassle-free returns. **