Battery for Toshiba Z830 Z835 Z930 Z935 Series, 10.8V 45Wh PA5013U-1BRS, PA5013U-1BRP, High Capacity Li-ion, 12-Month Warranty

**Product Description**
Upgrade or replace your aging Toshiba Portégé Z830/Z835/Z930/Z935 laptop battery with this high-performance, 100% compatible replacement. Designed to meet or exceed OEM specifications, this battery delivers reliable power for work, study, or entertainment on the go.

**Important Voltage Warning**
Please confirm your original battery voltage is 10.8V. This battery is NOT compatible with 11.1V or 14.8V models. Using an incorrect voltage may damage your device or cause safety hazards.

**Compatible Models (Laptop Series) **
- Toshiba Portégé Z830
- Toshiba Portégé Z835
- Toshiba Portégé Z930
- Toshiba Portégé Z935

**Replacement Part Numbers**
- PA5013U-1BRS
- PA5013U-1BRP
- PA5013U-1BRS-B
- PA5013U-1BRP-B

**Specifications Table**
| Parameter | Value |
|--------------------|------------------------|
| Battery Type | Li-ion |
| Voltage | 10.8V |
| Capacity | 45Wh / 4000mAh |
| Color | Black |
| Cell Quality | Grade A (Japanese cells) |
| Protection | Overcharge, over-discharge, short-circuit, overheat |
| Certification | CE, FCC, RoHS |

**Comparison Table (OEM vs Replacement) **
| Feature | OEM Battery | Our Replacement |
|--------------------|------------------------|------------------------|
| Voltage | 10.8V | 10.8V |
| Capacity | 45Wh | 45Wh |
| Cell Grade | Standard | Grade A (higher cycle life) |
| Safety Protections | Basic | Enhanced (4 protections) |
| Price | High | Affordable |
| Warranty | 6 months (typical) | 12 months |

**Installation Tips**
1. Power off your laptop and unplug the AC adapter.
2. Remove the battery compartment cover (if applicable) or slide the battery release latch.
3. Gently lift out the old battery.
4. Insert the new battery until it clicks into place.
5. Reattach the cover, plug in the charger, and fully charge before first use (about 4-6 hours).
6. For optimal lifespan, avoid draining the battery below 10% regularly.

**Compatibility Note**
This battery is designed specifically for Toshiba Portégé Z830, Z835, Z930, Z935 series. It will NOT fit other Toshiba models such as Satellite, Tecra, or other Portégé series. Please double-check your laptop model and original battery part number before purchasing.

**Package Includes**
- 1 x Replacement Battery
(quick start guide)

**Warranty & Support**
We offer a 12-month warranty against manufacturing defects. If you encounter any issues, please contact us via eBay/Newegg message for a prompt replacement or refund. Your satisfaction is our priority.