BTI SI03XL-BTI 3-Cell 11.55V Li-Ion Notebook Battery for HP Chromebooks

Power your HP Chromebook with confidence using the BTI SI03XL-BTI 3-Cell 11.55V Li-Ion Notebook Battery. Engineered as a high-quality replacement, this battery delivers reliable performance, long-lasting runtime, and a precise OEM-style fit designed to restore the portability you rely on. The 11.55V, 58.84Wh capacity is tailored to keep HP Chromebooks running smoothly through classes, meetings, and on-the-go workloads, so you can focus on your tasks rather than hunting for a charging outlet. Built for compatibility across a broad range of HP Chromebook models, the SI03XL-BTI is a practical upgrade for students, professionals, and daily commuters who demand dependable power in a compact, 3-cell package. When you choose BTI, you select a tested, quality replacement that respects the original form factor and electrical specifications of your device.

• Long-Lasting Runtime for Everyday Use — The 58.84Wh capacity is designed to maximize unplugged time, helping you get more work done between charges. Whether you’re studying in the library, collaborating in the conference room, or streaming content during travel, this battery keeps your HP Chromebook powered with steady performance.
• Broad Compatibility Across HP Chromebooks — Specifically engineered to fit a wide range of HP Chromebook models, including 15A-NB, 15AT-NB, 14B-NA, 14B-NB, 14CT-CD, X360 14C-CD, X360 14C-CC, Elite C640 G3, Elite C645 G2, Pro C640 G2, and Pro C645 G1. The SI03XL-BTI matches the electrical specifications and physical dimensions of the original battery for a seamless swap.
• Safe, Reliable Li-Ion Chemistry — Lithium-ion cells paired with built-in protection circuitry deliver dependable performance while guarding against common risks like overcharge, short circuit, and overheating. This results in a safer replacement that you can trust for daily use and extended sessions.
• OEM-Grade Fit, Easy Installation — Precisely engineered to mirror OEM dimensions and connector layout, enabling a straightforward replacement process with minimal tooling and no compromise on form factor. The battery supports consistent voltage delivery and steady discharge for reliable operation across compatible models.
• Quality and Consistency You Can Rely On — BTI’s SI03XL-BTI replacement battery is designed to meet or exceed OEM specifications, delivering steady performance with each cycle. It’s a practical, cost-effective choice for maintaining your Chromebook’s portability without sacrificing reliability or safety.

Technical Details of BTI Battery

• Model: SI03XL-BTI
• Battery Type: Li-Ion, 3-Cell
• Voltage: 11.55V
• Capacity: 58.84Wh
• Compatibility: HP Chromebook models including 15A-NB, 15AT-NB, 14B-NA, 14B-NB, 14CT-CD, X360 14C-CD, X360 14C-CC, Elite C640 G3, Elite C645 G2, Pro C640 G2, Pro C645 G1

how to install BTI Battery

• Power down your HP Chromebook completely and disconnect it from any power source.
• Place the device on a clean, static-free surface. Gather any necessary tools if your model requires them, and set aside the old battery for safe disposal.
• Remove the bottom cover following your device’s service instructions, exposing the internal components and the battery connector.
• Carefully disconnect the old battery from the motherboard, taking care not to damage adjacent cables or connectors. Remove the old battery from the chassis.
• Connect the new BTI SI03XL-BTI battery to the motherboard, ensuring the connector seats firmly. Reinstall the battery within the chassis, replace the bottom cover, and secure all screws.
• Power on the Chromebook and allow it to boot. It may be advisable to run a brief battery calibration cycle by fully charging to 100% and then discharging to about 5–10% before recharging again.

Frequently asked questions

• Q: Is this battery compatible with my HP Chromebook?

  A: The BTI SI03XL-BTI is designed to fit a wide range of HP Chromebook models, including 15A-NB, 15AT-NB, 14B-NA, 14B-NB, 14CT-CD, X360 14C-CD, X360 14C-CC, Elite C640 G3, Elite C645 G2, Pro C640 G2, and Pro C645 G1. If your device is one of these models or matches the electrical specifications, it should be compatible.

• Q: What are the key specifications of this battery?

  A: It is a 3-cell Li-Ion battery with 11.55V and a capacity of 58.84Wh, designed to deliver reliable power for HP Chromebooks.

• Q: How should I replace the battery safely?

  A: Power down the device, remove the bottom cover to access the battery, disconnect the old battery, connect and secure the new battery, reassemble the chassis, and power on. For best results, follow your Chromebook’s service guide and consider performing a battery calibration after installation.

• Q: Will this replacement affect warranty?

  A: Warranty details vary by seller and region. Check the seller’s terms for coverage related to third-party replacement batteries and any impact on your device’s warranty.

• Q: How can I extend the battery life of this replacement?

  A: To maximize lifespan, avoid prolonged exposure to heat, calibrate the battery occasionally, keep the device in moderate temperatures, and use power-saving modes when appropriate. Regular charging cycles help maintain capacity over time.