Battery for Lenovo ThinkPad X1 Carbon 2013 (45N1070/45N1071/TP00040A) 11.4V 46Wh, High Capacity, CE/RoHS Certified, 12-Month Warranty

**Product Overview**
This high-performance replacement battery is specifically designed for the Lenovo ThinkPad X1 Carbon 2013 (1st Generation). It is a 100% compatible drop-in replacement for original part numbers 45N1070, 45N1071, TP00040A, and 04X4489. With a rated voltage of 11.4V and a capacity of 46Wh (4000mAh), it provides reliable power for your daily tasks, meetings, and on-the-go productivity.

**Important Voltage Warning**
Please verify your original battery voltage before purchasing. This battery is ** 11.4V ** and is **NOT compatible** with 10.8V or 14.4V models. Using an incorrect voltage may cause damage to your device or battery. If you are unsure, check the label on your current battery or contact us with your laptop model and original part number.

**Compatibility List**
Lenovo ThinkPad X1 Carbon 2013 (Type 34xx, 35xx)
Replaces OEM Part Numbers:
- 45N1070
- 45N1071
- TP00040A
- 04X4489
- 04X4490
- 04X4491
- 04X4492
- 04X4493

**Battery Specifications**

| Specification | Detail |
|---------------|--------|
| Battery Type | Li-ion (Rechargeable) |
| Voltage | 11.4V |
| Capacity | 46Wh / 4000mAh |
| Cells | 4-cell |
| Color | Black |
| Weight | Approx. 220g |
| Dimensions | 20.5 x 10.5 x 0.8 cm |
| Certification | CE, RoHS, FCC |
| Warranty | 12 Months |

**Comparison Table Original vs Replacement**

| Feature | Original Lenovo Battery | Our Replacement Battery |
|---------|------------------------|------------------------|
| Part Number | 45N1070 / 45N1071 | 45N1070 / 45N1071 Compatible |
| Voltage | 11.4V | 11.4V (Exact Match) |
| Capacity | 46Wh | 46Wh (Equal Performance) |
| Safety Protection | Yes | Yes (Overcharge, Short Circuit, etc. ) |
| Price | High | Affordable |
| Warranty | 12 Months | 12 Months |

**Installation Tips**
1. **Power off** your laptop and unplug the AC adapter.
2. Remove the bottom cover (use a Phillips screwdriver if needed).
3. Disconnect the old battery cable from the motherboard.
4. Remove the old battery and insert the new one.
5. Reconnect the cable, close the cover, and power on.
6. For first use, fully charge the battery to 100% (about 2-3 hours).
7.
Calibrate once a month: discharge to 5% then charge to 100% for optimal lifespan.

**Package Includes**
- 1 x Replacement Battery

- 1 x Installation Guide

**Customer Support**
We stand behind our product quality. If you have any questions about compatibility, installation, or performance, please contact us. We offer a 30-day money-back guarantee and 12-month warranty for your peace of mind.

**Note: ** This is a third-party replacement battery, not an original Lenovo product. It is fully tested and guaranteed to meet or exceed OEM specifications.