Laptop Battery for Lenovo ThinkBook 16 G4+ ARA/IAP L21M4PD8, L21L4PD8, 11.55V, 71Wh, High Capacity, 1-Year Warranty

**Product Overview**
Upgrade or replace your worn-out laptop battery with this premium-grade 71Wh replacement for the Lenovo ThinkBook 16 G4+ ARA and IAP series. Designed to meet or exceed OEM standards, this battery delivers consistent power, extended usage time, and reliable safety protection. Whether you are working remotely, attending classes, or traveling, this battery ensures your device stays powered throughout the day.

**Important Voltage Warning**
Please verify that your original battery voltage is 11.55V before purchasing. Using a battery with an incorrect voltage (e. g., 11.25V or 14.4V ) can cause charging failure, system instability, or permanent damage to your laptop. This replacement is strictly designed for 11.55V models only.

**Compatible Models & Part Numbers**
- Laptop Models: Lenovo ThinkBook 16 G4+ ARA, ThinkBook 16 G4+ IAP
- Battery Part Numbers: L21M4PD8, L21L4PD8
- Also compatible with: L21C4PD8, L21D4PD8 (please confirm voltage and connector type)

**Specifications Table**

| Specification | Value |
|---------------|-------|
| Battery Type | Li-ion |
| Voltage | 11.55V |
| Capacity | 71Wh / 6300mAh |
| Cell Count | 4 cells |
| Color | Black |
| Weight | Approx. 350g |
| Warranty | 12 Months |

**Comparison Table: Original vs. Replacement**

| Feature | Original Lenovo Battery | Our Replacement |
|---------|------------------------|-----------------|
| Voltage | 11.55V | 11.55V (exact match) |
| Capacity | 71Wh | 71Wh (same or higher) |
| Safety Certifications | Yes | CE, FCC, RoHS |
| Price | High | Affordable |
| Warranty | Limited | 12 Months |

**Installation Tips**
1. Power off your laptop and unplug the AC adapter.
2. Remove the bottom cover using a suitable screwdriver (Phillips #0 or #1).
3. Disconnect the old battery connector carefully.
4. Remove the screws securing the old battery and lift it out.
5. Insert the new battery, tighten screws, and reconnect the connector.
6. Replace the bottom cover and power on your laptop.
7. For first use, charge the battery to 100% and then discharge to 10% to calibrate.

**Package Includes**
- 1x Replacement Battery
-


**Note**
- This battery is not an original Lenovo product but a high-quality compatible replacement.
- Ensure your laptop model is ThinkBook 16 G4+ ARA or IAP before ordering.
- If you have any questions about compatibility, please contact us with your laptop serial number.