Replacement Battery for Lenovo L17M3P52 L17C3P51 L17L3P51 TP00117A 01AV445 01AV448 11.55V 45Wh, High Capacity, 12-Month Warranty

**Product Overview**
This high-performance replacement battery is specifically designed for Lenovo laptops that originally use models L17M3P52, L17C3P51, L17L3P51, TP00117A, 01AV445, and 01AV448. Whether your Yoga 520-14IKB, Flex 5-1470, IdeaPad 320S-14IKB, or similar device no longer holds a charge or shuts down unexpectedly, this battery provides a reliable, cost-effective solution to restore full mobility.

** Voltage Warning**
Please verify your original battery voltage before purchasing. This battery is rated at ** 11.55V **. If your original battery is 7.6V or 15.2V, this product will NOT be compatible and may cause damage. Always check the sticker on your current battery for exact voltage and model number.

**Compatible Models (Partial List) **
- Lenovo Yoga 520-14IKB, Yoga 520-15IKB
- Lenovo Yoga 720-13IKB, Yoga 720-15IKB
- Lenovo Flex 5-1470, Flex 5-1570
- Lenovo IdeaPad 320S-14IKB, IdeaPad 320S-15IKB
- Lenovo IdeaPad 330S-14IKB, IdeaPad 330S-15IKB
- Lenovo V330-14IKB, V330-15IKB

**Compatible Battery Part Numbers**
L17M3P52, L17C3P51, L17L3P51, TP00117A, 01AV445, 01AV448, 01AV446, 01AV447, 5B10W139, 5B10W138, 5B10W140, L17M2P52, L17C2P51

**Product Specifications**

| Specification |

Details

|
|: --- |: --- |
| Battery Type | Li-ion (Rechargeable) |
| Voltage | 11.55V |
| Capacity | 45Wh / 3900mAh |
| Cell Quality | Grade A+ Japanese/Korean cells |
| Color | Black |
| Dimensions | Approx. 270 x 70 x 5 mm |
| Weight | Approx. 210g |
| Warranty | 12 Months |

**Comparison: Old vs. New Battery**

| Feature | Your Old Battery | This Replacement |
|: --- |: --- |: --- |
| Charge Holding | Poor drains quickly | Excellent holds charge like new |
| Runtime | < 30 minutes (if worn) | 35 hours (typical use) |
| Safety Protection | May swell or overheat | Built-in BMS with 6-layer protection |
| Compatibility | Original only | Covers 10+ OEM part numbers |
| Price | Expensive OEM | Affordable with same performance |

**Installation Tips**

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

2. Remove the bottom cover (screws may vary by model use appropriate screwdriver).

3. Locate the battery connector and gently disconnect it from the motherboard.

4. Remove the old battery and insert the new one, aligning the connector firmly.

5. Secure the battery with screws, replace the bottom cover, and power on.

6. For first use, fully charge to 100% and then discharge to 10% once to calibrate.

**Package Includes**
- 1x Replacement Battery
- (if needed for your model)


**Quality & Safety**
All batteries undergo rigorous testing for voltage stability, capacity accuracy, and safety compliance (CE, FCC, RoHS certified). We use only Grade A cells to prevent swelling and ensure long cycle life.

**Customer Support**
If you have any questions about compatibility or installation, please contact us before purchasing. We are here to help 24/7. Your satisfaction is our top priority.