BTI G3HTA057H-BTI 7.58V 45.8Wh Li-Ion Battery for Surface Laptop 3/4

The BTI G3HTA057H-BTI 7.58V 45.8Wh Li-Ion Battery is the ultimate power solution crafted to restore peak performance to your Microsoft Surface Laptop lineup. Engineered as a premium replacement, this battery fits key Surface models including the Surface Laptop 3 15" variants with Intel Core and AMD Ryzen processors, the Surface Laptop 4 15", and select Surface Laptop 15 models. With a robust 7.58V output and a capacity of 45.8Wh, this pack delivers dependable endurance, consistent capacity, and long-lasting energy for on-the-go productivity, creativity, and collaboration—without compromising safety or reliability.

• Premium compatibility: Precisely engineered to fit Surface Laptop 3 15" (Intel Core and AMD Ryzen), Surface Laptop 4 15", and select Surface Laptop 15 models (1872/1873), ensuring a seamless replacement that preserves original charging behavior and performance.
• Strong energy density: 7.58V and 45.8Wh capacity provide hours of productive use on a single charge, helping you stay productive, in meetings, or between charging sessions while on the move.
• Reliable safety features: Built with smart protection against short-circuiting, overcharging, and overheating to protect both your device and the battery’s longevity.
• Easy installation: Designed for straightforward replacement with standard screwdrivers and basic tools. Follow proper static precautions and service guidelines to swap the battery safely and efficiently.
• Trusted BTI quality: BTI-branded replacement that adheres to stringent specifications to meet or exceed original performance, delivering dependable power and dependable cycle life.

Techncial Details of BTI G3HTA057H-BTI 7.58V 45.8WH Li-Ion Battery

• Voltage: 7.58V
• Capacity: 45.8Wh
• Chemistry: Li-Ion
• Model: G3HTA057H-BTI
• Compatibility: Surface Laptop 3 15" (Intel Core, AMD Ryzen), Surface Laptop 4 15", Surface Laptop 15 models (1872/1873)

how to install BTI G3HTA057H-BTI 7.58V 45.8WH Li-Ion Battery

To ensure a safe and effective installation, follow these careful steps. If you are not comfortable performing the replacement yourself, seek professional service to protect your device and warranty.

• Power down your Surface Laptop, unplug all cables, and allow the device to cool. If possible, discharge to a low power state before opening.
• Prepare a clean, static-free workspace and gather the necessary tools, such as a precision screwdriver set and a plastic spudger. Avoid metal tools that could short circuitry.
• Turn the device over and remove the bottom housing screws according to your model’s service guide. Keep track of each screw’s size and position.
• Carefully lift the bottom cover to access the internal components. Locate the battery connector on the motherboard and gently disconnect it using a plastic spudger, avoiding any force that could damage surrounding cables.
• Remove the old battery, taking note of its orientation. Place the new BTI G3HTA057H-BTI battery in the compartment, align mounting points, and reconnect the battery connector firmly to the motherboard.
• Reattach any shielding or brackets, reseal the bottom cover, and tighten screws to the original torque. Reconnect the charger and power on the device.
• Charge the battery fully for the first cycle if possible, then use normally. Monitor for any unusual heat, swelling, or boot issues. If anything seems off, discontinue use and consult support.

Frequently asked questions

• Q: What Surface Laptop models is this BTI battery compatible with?
  A: It is designed to fit Surface Laptop 3 15" variants (Intel Core and AMD Ryzen), Surface Laptop 4 15", and select Surface Laptop 15 models (1872/1873).
• Q: What is the expected run time with this battery?
  A: Run time varies with usage, but the 45.8Wh capacity provides several hours of typical productivity—web browsing, document editing, video streaming, and light application use—between charges.
• Q: Are BTI batteries safe and reliable?
  A: Yes. BTI batteries incorporate safety protections against short-circuit, overcharge, and overheating to help protect your device and extend battery life.
• Q: How should I care for my new battery to maximize life?
  A: Calibrate the battery after installation, avoid exposing the device to extreme temperatures, manage screen brightness and background activity, and keep firmware and drivers up to date for best efficiency.
• Q: Is professional installation recommended?
  A: If you are not comfortable performing internal repairs, seek professional service. Replacing a laptop battery involves accessing internal components and carries risk if not done correctly.