Battery for Lenovo ThinkPad S230U 45N1092 45N1094 11.1V 3800mAh 42Wh, High Capacity Li-ion, 1-Year Warranty

**Product Overview**
This high-performance replacement battery is specifically designed for the Lenovo ThinkPad S230U (Twist) series. It is fully compatible with original Lenovo batteries 45N1092, 45N1094, 45N1096, and 45N1098. With a rated voltage of 11.1V and a capacity of 3800mAh (42Wh), it provides reliable power for your daily computing needs, whether you are working in the office, studying in the library, or traveling.

**Important Voltage Warning**
Please verify that your original battery voltage is 11.1V. Do NOT install this battery if your device requires 10.8V or 14.4V, as incorrect voltage may cause system instability or hardware damage. If you are unsure, check the label on your old battery or contact us before purchasing.

**Compatible Models & Part Numbers**
- Compatible Laptop Models: Lenovo ThinkPad S230U (Twist)
- OEM Part Numbers: 45N1092, 45N1094, 45N1096, 45N1098, 45N1100
- Also fits: 04X3920, 04X3921 (verify compatibility with your device)

**Battery Specifications**

| Parameter | Value |
|-----------|-------|
| Battery Type | Li-ion (Lithium-ion) |
| Voltage | 11.1V |
| Capacity | 3800mAh / 42Wh |
| Cells | 6-cell |
| Color | Black |
| Weight | Approx. 320g |
| Dimensions | 20.5 x 7.0 x 2.0 cm |
| Certification | CE, FCC, RoHS |

**Comparison: OEM vs. Our Replacement**

| Feature | OEM Battery (45N1092) | Our Replacement Battery |
|---------|-----------------------|------------------------|
| Capacity | 3800mAh | 3800mAh (same) |
| Voltage | 11.1V | 11.1V (exact match) |
| Price | High | Affordable |
| Warranty | 6 months | 12 months |
| Safety Protection | Standard | BMS with overcharge/over-discharge/short circuit protection |

**Installation Tips**
1. Power off your laptop and disconnect the AC adapter.
2. Locate the battery release latches on the bottom of the ThinkPad S230U.
3. Slide the latches to unlock and gently remove the old battery.
4. Align the new battery with the slot and press down until it clicks into place.
5. Slide the latches to lock the battery securely.
6. Connect the AC adapter and charge the battery fully before first use (about 4-5 hours).
7. For optimal battery life, avoid complete discharge; recharge when the battery level drops to 20%.

**Package Includes**
- 1 x Replacement Battery for Lenovo ThinkPad S230U
(with installation guide)

**Quality & Safety**
All our batteries undergo rigorous testing for capacity, voltage stability, and safety. We use Grade A cells to ensure consistent performance and a longer lifespan. Each unit is protected by a multi-layer safety system, including temperature control and short-circuit prevention.

**Warranty & Support**
We offer a 12-month warranty against manufacturing defects and a 30-day money-back guarantee. If you have any questions about compatibility, installation, or performance, please contact us via eBay/Newegg messaging. Our support team will respond within 24 hours.

**Note**
- This is a third-party replacement product, not an original Lenovo battery.
- Please recycle your old battery properly according to local regulations.
- Do not disassemble, puncture, or expose the battery to high temperatures.