Description
Product Overview
This genuine Lenovo L12L4K01 48Wh battery is designed as a direct replacement for your original laptop battery. Manufactured to meet strict quality standards, it ensures reliable performance and safety.
Key Features
- Capacity: 48Wh
- Voltage: 10.8V
- Chemistry: Lithium-ion
- Condition: Brand new, never used
- Compatibility: See detailed lists below
Compatibility Information
Part Numbers (P/N)
This battery replaces the following part numbers:
- 121500112, 121500113, 121500121, 121500123
- 121500202, 121500237, 35008674, 35018307
- 35019270, 35024239, L12M4F02, L12M4K01
- L12S4E21, L12S4K01
Laptop Models
Compatible with these Lenovo models:
- IdeaPad P400 Touch (59371991)
- IdeaPad P500 (6279)
- IdeaPad Z500 (20202, 5931, MBYDGGE, MBYECGE, MBYM5GE, MBYP9GE, MBYPAGE)
- IdeaPad Z500 Touch (59367170)
- IdeaPad Z510 (20287, 59386905, 59393214, 59393216, 59393217, 59400165, 59400167, 59400169, 59401669, 59405950, Type 80A3)
When to Replace Your Battery
Consider replacing your battery if you notice any of these signs:
| Symptom | Description |
|---|---|
| Short Runtime | Battery drains quickly even after full charge |
| Swelling/Bulging | Battery case appears swollen or distorted |
| Charging Issues | Won’t hold charge or charges intermittently |
| System Warnings | Laptop shows “Replace Battery” or similar alerts |
| Age | Battery is 2+ years old with reduced performance |
| Overheating | Battery gets unusually hot during use/charging |
| Random Shutdowns | Laptop turns off unexpectedly when unplugged |
Expected Battery Life
Estimated runtime for different activities (48Wh capacity):
| Usage Scenario | Estimated Runtime |
|---|---|
| Web Browsing | 3-4 hours |
| Document Editing | 4-5 hours |
| Video Playback | 2.5-3.5 hours |
| Light Gaming | 1.5-2.5 hours |
| Idle/Standby | 6-8 hours |
Note: These are conservative estimates. Actual battery life may vary based on your laptop’s age, settings, and usage patterns. New replacement batteries may not achieve the same runtime as the original battery when your laptop was new, due to increased software demands and hardware aging.
Important Compatibility Note
The compatibility lists above show our most common matches, but are not exhaustive. If you don’t see your specific model or part number 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 business day shipping
- 30-day money back guarantee
- 1-year manufacturer warranty
- Free shipping
- In stock, ready to ship
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