Laptop Battery for Lenovo ThinkPad T14s Gen2 L20M4P72 L20C4P72, 11.55V 48Wh, Replacement for FRU 5B10W13944 5B10W13945, 12-Month Warranty

**Product Description**
Upgrade or replace your worn-out laptop battery with this high-performance 48Wh Li-ion battery, specifically designed for the Lenovo ThinkPad T14s Gen2 series. Whether you are a remote worker, student, or frequent traveler, this battery provides the consistent power you need to stay productive without being tethered to a power outlet.

**Important Voltage Warning**
Please verify that your original battery voltage is 11.55V before purchasing. Using an incorrect voltage battery may cause damage to your laptop or battery. This battery is NOT compatible with 7.6V or 14.4V models.

**Compatible Models & Part Numbers**
- Laptop Models: Lenovo ThinkPad T14s Gen2 (Intel & AMD versions)
- Original Battery Models: L20M4P72, L20C4P72
- FRU Numbers: 5B10W13944, 5B10W13945
- Also compatible with: SB10W13944, SB10W13945, L20L4P72, L20D4P72 (please confirm voltage and connector type)

**Specifications**
- Battery Type: Li-ion
- Voltage: 11.55V
- Capacity: 48Wh / 4200mAh (typical)
- Cells: 4-cell
- Color: Black
- Net Weight: Approx. 230g
- Dimensions: 270 x 70 x 5.5 mm (may vary slightly by model)

**Comparison Table**

| Feature | Our Battery | Original Lenovo Battery | Generic Low-Cost Battery |
|---------|-------------|------------------------|--------------------------|
| Capacity | 48Wh | 48Wh | Often lower (36-42Wh) |
| Voltage | 11.55V | 11.55V | May vary, risk of mismatch |
| Safety Protection | Overcharge, short circuit, over-temp | Standard protection | Often lacks full protection |
| Warranty | 12 months | 12 months (limited) | Usually 6 months or less |
| Compatibility | Exact fit for T14s Gen2 | OEM specific | May require adapter or not fit |

**Installation Tips**

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

2. Remove the bottom cover (refer to your laptop manual if needed).

3. Disconnect the old battery cable and remove the screws holding the battery.

4. Insert the new battery, secure with screws, and reconnect the cable.

5. Replace the bottom cover, plug in the charger, and let the battery charge fully before first use.

6. If the battery is not detected, try
a hard reset: unplug the charger, remove the battery, hold the power button for 15 seconds, then reinstall.

**Note**
- This battery is a compatible replacement, not an original Lenovo product.
- Battery life varies based on usage, settings, and age.
- For best performance, calibrate the battery once a month: fully charge, then fully discharge to 5%, then recharge to 100%.

**Package Includes**
1 x Laptop Battery (pre-installed with protective packaging)



**Customer Support**
We offer 12-month warranty and 30-day hassle-free returns. If you have any questions about compatibility or installation, please contact us anytime. Your satisfaction is our priority.