Battery for Lenovo ThinkPad T16 Gen 1 / P16s Gen 1 L21D4P72 L21M4P73 11.55V 52.5Wh Compatible with 5B10W13966 5B10W13967 2-Year Warranty

**Important Voltage Warning**
Please verify your original battery voltage before purchasing. This replacement is designed for 11.55V systems only. Using an incorrect voltage battery may cause charging failure or damage to your device.

**Compatible Models**
- Lenovo ThinkPad T16 Gen 1
- Lenovo ThinkPad P16s Gen 1

**Replacement Part Numbers**
L21D4P72, L21M4P73, 5B10W13966, 5B10W13967, SB10W13966, SB10W13967

**Product Specifications**

| Parameter | Value |
|-----------|-------|
| Battery Type | Li-ion |
| Voltage | 11.55V |
| Capacity | 52.5W h / 4550mAh |
| Cells | 4-cell |
| Color | Black |
| Dimensions | 270 x 70 x 8 mm (approx. ) |
| Weight | 290g (approx. ) |
| Warranty | 2 Years |

**Comparison Table Original vs. Replacement**

| Feature | Original Lenovo Battery | Our Replacement |
|---------|------------------------|----------------|
| Voltage | 11.55V | 11.55V (identical) |
| Capacity | 52.5W h | 52.5W h (same) |
| Safety Certifications | CE, FCC | CE, FCC, RoHS |
| Price | High | Affordable |
| Warranty | 1 year | 2 years |

**Installation Tips**
1. Power off your laptop and unplug the AC adapter.
2. Remove the bottom cover (refer to your device manual for screw locations).
3. Disconnect the old battery cable and lift it out.
4. Insert the new battery, reconnect the cable, and secure the cover.
5. Charge the battery to 100% before first use for optimal performance.

**Why Choose This Battery? **
- Manufactured with Grade A+ cells for stable power output and long cycle life.
- Rigorously tested for compatibility, charge/discharge efficiency, and safety.
- Backed by dedicated customer support were here to help with any questions.

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

**Note: ** This is a third-party replacement battery, not an original Lenovo product. It is fully compatible and meets or exceeds OEM specifications.