Battery for Lenovo IdeaPad 720S-14IKB, K42-80, L16M4PB2, 11.4V 3450mAh 39Wh, Compatible with L16L4PB2 L16C4PB2 L16M4PB1, 12-Month Warranty

**Product Overview**
This high-performance replacement battery is specifically designed for Lenovo IdeaPad 720S-14IKB and K42-80 series laptops. It uses premium-grade lithium-ion cells to restore your laptops original runtime and reliability. Whether youre working from home, attending online classes, or traveling, this battery ensures you stay powered throughout the day.

** Voltage Compatibility Warning**
Please confirm your original battery voltage before purchasing. This battery is rated at ** 11.4V **. It is NOT compatible with 7.6V, 11.1V, or 14.4V systems. Using an incorrect voltage battery may cause charging failure or damage to your laptop.

**Compatible Laptop Models**
- Lenovo IdeaPad 720S-14IKB
- Lenovo K42-80
- Lenovo K42-80-IFI
- Lenovo K42-80-ISE

**Compatible Battery Part Numbers**
- L16M4PB2
- L16L4PB2
- L16C4PB2
- L16M4PB1
- L16L4PB1
- L16C4PB1

**Product Specifications**

| Parameter | Value |
|-----------|-------|
| Battery Type | Lithium-Ion (Li-ion) |
| Voltage | 11.4V |
| Capacity | 3450mAh / 39Wh |
| Cell Count | 4 cells |
| Color | Black |
| Weight | Approx. 220g |
| Dimensions | 270 x 70 x 5.5 mm (check fitment) |
| Warranty | 12 Months |

**Comparison Table: Original vs. Replacement**

| Feature | Original Lenovo Battery | Our Replacement Battery |
|---------|------------------------|------------------------|
| Voltage | 11.4V | 11.4V (identical) |
| Capacity | 3450mAh | 3450mAh (same) |
| Cell Quality | OEM | High-grade A+ cells |
| Safety Protection | Standard | Overcharge/Discharge/Short-Circuit |
| Warranty | 12 months (OEM) | 12 months (ours) |

**Installation Tips**
1. **Power off** your laptop and unplug the AC adapter.
2. Remove the bottom cover screws (refer to your laptops service manual for exact screw locations).
3. Disconnect the old battery cable from the motherboard.
4. Remove the old battery and insert the new one.
5. Connect the new battery cable, replace the bottom cover, and tighten screws.
6. Plug in the charger and let the battery charge fully before first use.

**Important Notes**
- Do not disassemble, puncture, or expose the battery to high temperatures.
- If the battery swells or leaks, stop using immediately and contact us for a replacement.
- For best performance, charge the battery to 40-60% if storing for long periods.

**Package Includes**
- 1 x Replacement Battery (L16M4PB2 compatible)


**Customer Support**
We offer a 30-day money-back guarantee and a 12-month warranty. If you have any questions about compatibility or installation, please message us were here to help!