BTI Battery

Meet the BTI Battery, a premium replacement designed to power a wide range of laptops in the E45T and E55T families, plus U940. Engineered to align with OEM specifications PA5157U-1BRS and P000577250, this battery ensures a seamless install and dependable performance. The BTI Battery features a proprietary size that provides a precise fit in the battery bay, reducing the risk of loose connections and ensuring reliable contact with the device’s power system. If you own an E45T-A4100, E45T-A4200, E45T-A4300, E45T-AST2N01, E45T-AST2N02, E55T-A5114, E55T-A5320, E55T-AST2N01, or U940, you’ll appreciate the balance of compatibility, safety, and efficient charging this battery delivers. In addition, the BTI Battery is noted for faster charging times, helping you cut downtime and stay productive when you need power most.

• Broad compatibility with OEM references: Specifically designed to work with PA5157U-1BRS and P000577250, covering a spectrum of models in the E45T and E55T series as well as U940. This ensures a reliable replacement option that mirrors the performance of your original battery.
• Faster charging performance: The BTI Battery is engineered to take lesser time to charge compared with standard batteries, helping you reduce downtime and get back to work or play quicker after every recharge.
• Proprietary battery size for reliable fit: The battery uses a proprietary footprint intended to provide a snug, secure fit in compatible devices, improving contact stability and reducing the chance of movement or misalignment during use.
• Consistent power delivery and longer life: Built to deliver steady voltage and dependable capacity across cycles, the BTI Battery supports extended runtimes and dependable performance for everyday computing tasks and multimedia use.
• Durable construction with safety-conscious design: Crafted to withstand daily wear and tear, with attention to safety and quality standards to minimize risks during charging and operation, so you can rely on power when you need it most.

Technical Details of BTI Battery

• OEM compatibility: PA5157U-1BRS, P000577250
• Compatible models and series: E45T-A4100, E45T-A4200, E45T-A4300, E45T-AST2N01, E45T-AST2N02, E55-A5114, E55T-A5320, E55T-AST2N01, U940
• Proprietary battery size: Proprietary design with a precise fit for supported models
• Charging performance: Designed to deliver faster charging times relative to standard batteries
• Core design and reliability: Built to maintain stable power delivery through repeated charge-discharge cycles

How to Install BTI Battery

• Prepare and power down: Turn off your device, unplug from any power source, and remove any peripherals. This reduces the risk of electrical shock and protects internal components during replacement.
• Access the battery: In most models, remove the back cover or access panel to locate the existing battery. Use the appropriate screwdriver to open the panel carefully.
• Disconnect the old battery: Gently disconnect the battery connector from the motherboard or power hub. If clips or screws secure the battery, remove them and set the old battery aside.
• Install the BTI Battery: Align the BTI Battery with the battery bay, connect the connector securely, and ensure the battery sits flush with the chassis. Reinstall any screws or retention clips that held the old battery in place.
• Reassemble and test: Reattach the back cover, reconnect power, and power on the device. Allow the battery to reach a full charge before first use to calibrate the system’s battery gauge.

Frequently Asked Questions

• Q: Is this BTI Battery compatible with my device? A: The BTI Battery is designed to be compatible with OEM PA5157U-1BRS and P000577250, covering E45T-A4100, E45T-A4200, E45T-A4300, E45T-AST2N01, E45T-AST2N02, E55-A5114, E55T-A5320, E55T-AST2N01, and U940 models. If your device matches these series or models, this battery should fit as a replacement.
• Q: How long does charging take with this battery? A: The BTI Battery is noted to take lesser time to charge compared with many other batteries, helping you reduce downtime and stay productive.
• Q: How should I care for this battery to maximize life? A: For optimal longevity, avoid extreme temperatures, aim to keep the battery between 20% and 80% where practical, and perform a full calibration after extended storage or first use after installation. Regularly update device firmware to ensure accurate battery reporting.
• Q: Is this an official OEM replacement? A: This battery is a compatible OEM replacement designed to match the referenced OEM specifications (PA5157U-1BRS, P000577250). It provides OEM-style performance and reliability while offering a cost-effective alternative to original equipment manufacturer batteries.
• Q: What models does the proprietary size fit? A: The proprietary size is tailored for a specific subset of E45T and E55T series devices and U940. Confirm your model matches the listed compatibility before purchasing to ensure proper fit and performance.