Description
Product Overview
This genuine Lenovo L17D2P31 35.8Wh battery is specifically designed to replace your original laptop battery. Manufactured to meet exact OEM specifications for guaranteed compatibility and reliable performance.
Specifications
- Battery Part Number: L17D2P31
- Capacity: 35.8Wh
- Condition: Brand new, factory fresh
- Chemistry: Lithium-ion
Compatibility Information
Compatible Part Numbers (P/N)
- SB18C21784
- SB18C21785
- SB18C46557
Compatible Models
- Lenovo Yoga Book C930 (ZA3S/ZA3T)
When to Replace Your Laptop Battery
| Situation | Description |
|---|---|
| Short Battery Life | Battery drains quickly even after full charge, lasting significantly less than original runtime |
| Swelling/Bulging | Battery case appears swollen or distorted, indicating potential safety hazard |
| Not Holding Charge | Battery percentage drops rapidly or shuts down unexpectedly despite showing charge |
| Charging Issues | Battery won’t charge fully, charges intermittently, or requires specific positioning |
| System Warnings | Laptop displays “Consider replacing your battery” or similar system alerts |
| Age | Battery is over 2-3 years old with noticeable performance degradation |
Important Compatibility Note
The compatibility list shown represents only a portion of supported devices. If you don’t see your specific model listed, please leave your laptop model or current battery part number in the order notes during checkout. We will verify compatibility before shipping.
Purchase Benefits
- Same day shipping on orders placed before 3PM
- 30-day money back guarantee
- 1-year manufacturer warranty
- Free shipping on all orders
- In stock, ready to ship
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