Bti 9 Cell Battery For Lenovo Thinkpad T410 T420 T510 W510 W520 L Sl Edge 10 8V 8400Mah 91Wh

Power your Lenovo ThinkPad with confidence using the BTI 9 Cell Battery, a premium replacement designed to restore peak performance to your notebook. Engineered for seamless compatibility with classic ThinkPad models, this rechargeable lithium-ion battery delivers reliable, long-lasting power for work, study, and travel. With a capacity of 8400mAh at 10.8V (approximately 91Wh) and a smart Battery Management System, you’ll experience smoother startups, steadier discharge curves, and extended run-time between charges. The BTI battery is built to endure the rigors of daily use—from coffee shop study sessions to long flights—while maintaining safe operation through advanced protection features. If you’re replacing an aging battery or stocking a spare for trips, this BTI replacement offers a cost-effective, eco-friendly upgrade that won’t compromise on performance or reliability.

• Long-lasting run-time for extended work sessions, presentations, and multimedia playback. With 9 cells delivering 10.8V and 8400mAh, you’ll power through more tasks between charges, helping you stay productive wherever you are. The battery’s energy density is optimized to support demanding applications—from word processing and programming to photo editing and web research—without frequent recharges.
• Broad compatibility across multiple Lenovo ThinkPad models sharing the common form factor and connector layout. Specifically designed to fit popular models like the T410, T420, T510, W510, and W520, as well as related Edge and SL variants, this BTI battery is a versatile upgrade for a wide audience of students and professionals who rely on dependable power on the go.
• Smart safety features for worry-free use. The BTI notebook battery includes overcharge protection, overheating protection, short-circuit protection, and continuous temperature monitoring. These protections work together to guard your laptop’s power system, guard the battery’s health, and reduce the risk of performance dips during intensive tasks.
• Easy, tool-friendly replacement with a snug fit and secure connectors. The battery is designed for straightforward swaps on compatible devices, with a mounting footprint and connector layout that line up with your ThinkPad’s internal bays. Expect quick installation and a firm, stable connection that reduces the risk of loose power connections during transit or travel.
• Eco-friendly and cost-effective power solution. Replacing an aging battery with this BTI unit extends the life of your notebook, reduces e-waste, and minimizes downtime. The battery’s durable construction and charge cycles help you stay productive longer while preserving the value of your device.

Technical Details of BTI Notebook Battery

• Battery type: Rechargeable lithium-ion
• Voltage: 10.8V
• Capacity: 8400mAh
• Energy: Approximately 91Wh
• Cells: 9-cell
• Form factor: Replacement notebook battery with standard connectors and mounting footprint for compatible models
• Chemistry: Lithium-ion
• Protection features: Overcharge protection, overheating protection, short-circuit protection, and temperature monitoring
• Lifecyle: Built for multiple charge-discharge cycles to maximize uptime and value

how to install BTI Notebook Battery

• Power down your laptop, unplug from the mains, and remove the bottom cover or access panel to reach the battery bay.
• Carefully disconnect the existing battery from its connectors and lift it out of the bay, taking care not to bend any cables.
• Align the BTI replacement with the standard connectors and mounting points, then slide it into the battery bay until it seats firmly and is fully connected.
• Reattach the bottom cover or access panel, reconnect any cables as needed, and power the device back on to confirm a proper boot.
• Charge the new battery to 100% before first use and allow it to cycle a few times to calibrate the battery management system for optimal performance.

Frequently asked questions

• Q: Is this battery compatible with Lenovo ThinkPad models beyond the T410/T420/T510/W510/W520 family?

  A: It is designed for ThinkPad models that share the same 9-cell form factor and connector layout as the listed models. It offers broad compatibility for devices that use the standard replacement battery footprint, making it a versatile upgrade for many ThinkPad users.

• Q: How long can I expect this BTI battery to last on a full charge?

  A: Run-time varies with usage, screen brightness, and workload. With typical office tasks, you can expect extended intervals between charges compared to older batteries, but actual endurance will depend on your specific applications and settings.

• Q: What safety features does this battery include?

  A: The BTI battery includes overcharge protection, overheating protection, short-circuit protection, and continuous temperature monitoring to help safeguard both the battery and your notebook during use.

• Q: Is installation difficult or required to use this battery?

  A: The BTI replacement battery is designed for easy, tool-friendly installation. If your device supports user-replaceable batteries, swapping in the BTI unit should be straightforward with standard tools and precautions.

• Q: Does this battery come with any warranty?

  A: Specific warranty details are not provided in the product listing. Please check the seller’s policy for warranty coverage and duration after purchase.