BTI Notebook Battery – 51 Wh, 11.4V, 3-Cell Rechargeable Power Pack

Power your notebook with confidence using the BTI Battery, a high-performance, rechargeable lithium‑ion cell engineered to deliver sustained runtimes and dependable reliability. Designed for notebooks that demand long-lasting power and quick recharges, this battery combines a compact, proprietary size with optimized energy delivery to keep you productive on the move. Whether you’re a student, professional, or frequent traveler, the BTI Battery minimizes downtime and maximizes on‑the‑go productivity. With a capacity of 4254 mAh and a total energy of 51 Wh, it provides a robust balance between runtime and portability, enabling you to work, study, or create without constantly searching for a charger. The three‑cell configuration prioritizes safety, efficiency, and consistent voltage delivery, helping your laptop reach peak performance while maintaining thermal stability and battery longevity. Choose BTI for reliable power that keeps pace with your busy life and demanding workloads.

• Long-lasting runtime — With 51 Wh energy capacity and 4254 mAh, this BTI battery powers your notebook for extended sessions, enabling you to work, stream, or edit without frequent recharges. The energy-dense cells deliver steady performance through long lectures, hours of coding, or back-to-back virtual meetings, so you stay ahead of deadlines without scrambling for a plug.
• Faster charging — The BTI battery is engineered to take less time to recharge, thanks to optimized cell chemistry and efficient charging electronics. This means you can top up quickly between tasks, resume work faster after a break, and keep your day moving smoothly rather than waiting around for long charge cycles.
• Proprietary size for reliability — The notebook-specific form factor ensures a snug fit, secure connections, and fewer compatibility issues compared to generic replacements. A precise fit reduces the risk of misalignment, protects connectors, and supports stable power delivery during peak performance tasks.
• Three-cell safety and performance — A 3-cell configuration delivers stable voltage and improved thermal management, helping prevent heat buildup during charging and heavy workloads. This design supports longer battery life and protects your device’s internal components from overheating while delivering dependable power during intensive tasks.
• Built for everyday mobility — Lightweight, compact, and easy to install, this BTI battery supports busy professionals, students, and travelers who rely on dependable power on the move. Its portable form factor fits seamlessly into backpacks and briefcases, giving you reliable power wherever your day takes you.

Technical Details of BTI Battery

• Battery Type: Rechargeable Lithium-Ion for notebook use
• Capacity: 4254 mAh
• Energy: 51 Wh
• Voltage: 11.4 V DC
• Cells: 3-cell configuration
• Proprietary form factor: Designed for a precise fit in compatible notebooks

how to install BTI Battery

• Power down and unplug your notebook. Ensure the device is completely off and cool before handling the battery to prevent any short-circuit risk.
• Access the battery compartment. Remove the back panel or access door following the notebook’s official service guide, keeping track of screws and connectors.
• Disconnect the old battery. Carefully detach the battery connector from the motherboard or the appropriate power rail, and remove the battery with steady, even pressure.
• Install the BTI battery. Align the connectors and the battery’s mounting points with the chassis, then slide it into place and secure with the original screws or fasteners.
• Reconnect and charge. Reconnect any cables, close the panel, and plug in the charger. Allow the battery to calibrate with a full, initial charge for best performance.

Frequently asked questions

• What notebooks is the BTI Battery compatible with? The BTI Battery is designed for notebooks that use a proprietary battery size. Please check the physical form factor and connector type to confirm compatibility with your model.
• How long does a full charge take? Charging time depends on the charger and usage, but the BTI battery is engineered to reduce charge time and reach a full top-up faster than many alternatives.
• Can I use the BTI Battery while it’s charging? For best results, use the notebook while charging only if your device’s design supports pass-through charging; otherwise, avoid heavy tasks during initial top-ups to preserve battery lifespan.
• What is the expected lifespan? Lithium-ion notebook batteries typically offer hundreds of charge cycles. To maximize life, avoid deep discharges and store the battery in a cool, dry place when not in use.
• How should I dispose of an old battery? Follow local electronics recycling guidelines. Do not throw lithium-ion batteries in regular trash; many communities offer battery take-back programs.