High quality battery 01AV420 01AV421 Battery for Lenovo ThinkPad T470 T480 A475 A485 | 24Wh | SB10K97576

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Genuine 01AV420, 01AV421, 01AV489 24Wh external battery for Lenovo ThinkPad T470, T480, A475, A485 & TP25. Part codes SB10K97576/77/78. 11.4V/11.46V. Guaranteed OEM compatibility for your ThinkPad’s external slice battery.

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Genuine 01AV420 / 01AV421 External Slice Battery for Lenovo ThinkPad T470, T480, A475, A485 & TP25

 

Extend your productivity with authentic ThinkPad power. This genuine 01AV420 series external slice battery is the official Lenovo accessory to dramatically extend the runtime of your ThinkPad T470, T480, A475, A485, or special edition ThinkPad 25 (TP25). As a hot-swappable external battery, it allows for all-day computing without needing a power outlet.

 Precision Compatibility & Part Numbers
This is the genuine external (3-cell) slice battery compatible with the following ThinkPad models and part numbers:

  • Compatible ThinkPad Models:

    • ThinkPad T470 (20HE, 20HD)

    • ThinkPad T480

    • ThinkPad A475

    • ThinkPad A485

    • ThinkPad 25 (Anniversary Edition – TP25)

  • Genuine Part Numbers: 01AV420, 01AV421, 01AV419, 01AV489

  • Internal FRU Codes: SB10K97576, SB10K97577, SB10K97578

Key Specifications

  • Battery Type: Genuine Lenovo 3-Cell External Slice Battery

  • Capacity: 24 Wh

  • Voltage: 11.4V / 11.46V (Fully Compatible)

  • Compatibility: ThinkPad T470, T480, A475, A485, TP25 Series

Why Choose a Genuine Lenovo External Battery?

  • Hot-Swappable for Unlimited Runtime: When the internal battery runs low, swap in a fresh external battery without ever shutting down your laptop. The ultimate solution for mobile professionals.

  • Guaranteed ThinkPad Integration: Designed and tested by Lenovo for perfect fit, secure attachment, and seamless communication with your laptop’s power management system.

  • Safety & Reliability: Manufactured to Lenovo’s stringent standards with built-in protection circuits, ensuring complete safety for your device and yourself.

  • Preserve System Health: Prevents potential compatibility issues or error messages that can occur with non-genuine batteries.

 Easy Installation & Usage

  1. Ensure your ThinkPad is powered on or in sleep mode.

  2. Align the connectors and click the external battery into place on the bottom of your laptop.

  3. Your system will automatically recognize the new power source. You can now remove the drained external battery if desired.

 Frequently Asked Questions (FAQ)

  • Q: Is this the internal or external battery?
    A: This is the external “slice” battery that attaches to the bottom of the laptop. It works in conjunction with your laptop’s internal battery.

  • Q: What is the difference between 01AV420, 01AV421, etc.?
    A: These are different regional or production lot part numbers for the same genuine Lenovo 24Wh external battery. They are functionally identical and fully compatible.

  • Q: Will this work with my ThinkPad T490?
    A: No. The T490 and newer models discontinued the external slice battery design. This battery is only for the T470, T480, A475, A485, and TP25 series.

Ready for Truly Mobile Productivity?
Order the genuine Lenovo 01AV420 external battery today and break free from power constraints.

Battery Capacity

24Wh

Voltage

1.46V/11.4V

Model No

01AV420

Warranty

12 Months

Compatible Models:

Fit for Lenovo ThinkPad T470 T480 A475 A485 TP25 (Anniversary Edition 25) Series, Fit for Lenovo ThinkPad T470 20HE 20HD Series, Fit for Lenovo ThinkPad T480 20L5 20L6 Series, Fit for Lenovo ThinkPad A475 Series, Fit for Lenovo ThinkPad A485 20MU 20MV Series

Replace Part Numbers:

01AV419 01AV420 01AV421 01AV489 SB10K97576 SB10K97577 SB10K97578 3ICP6/38/64

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FAQ: Genuine 01AV420/421/489/419 Replacement Battery for Lenovo ThinkPad T470/T480/A475/A485 Series

 

Q1: Is this battery compatible with my ThinkPad T470 or T480?

Yes, this genuine battery is designed for the Lenovo ThinkPad T-Series and A-Series models that use the external “Bridge Battery” system. It is compatible with the following laptops and part numbers:

  • Compatible ThinkPad Models:

    • ThinkPad T470 (e.g., 20HE, 20JM)

    • ThinkPad T480

    • ThinkPad A475

    • ThinkPad A485

    • ThinkPad 25 (Anniversary Edition 25)

  • Compatible Battery Part Numbers:

    • 01AV42001AV42101AV48901AV419

    • SB10K97576SB10K97577SB10K97578

Important: This is the 3-cell, 24Wh external (rear) battery. Your laptop also has an internal battery. Please verify your laptop’s model and the part number of your old battery for a perfect match.

Q2: What are the technical specifications?

This genuine Lenovo battery meets original specifications:

  • Lenovo Part Numbers: 01AV420, 01AV421, 01AV489, 01AV419

  • Voltage: 11.4V / 11.46V

  • Capacity: 24Wh (Watt-hours)

  • Configuration: 3-Cell Lithium-Ion

  • Type: External Rear (“Bridge”) Battery

Q3: Is this a genuine Lenovo OEM battery?

Yes, this is a 100% genuine Lenovo OEM (Original Equipment Manufacturer) battery. The part numbers (01AV4xx) are official Lenovo codes, ensuring perfect compatibility, safety, and performance identical to the battery your device was designed for.

Q4: What is the “Bridge Battery” system?

The ThinkPad T470/T480/A475/A485 feature a unique “Bridge Battery” system:

  • Dual Batteries: Your laptop has an internal battery AND this external rear battery.

  • Hot-Swappable: You can remove and replace this external battery while the laptop is still running on AC power or the internal battery, without shutting down.

  • Extended Runtime: Using both batteries together provides maximum battery life.

Q5: How do I install this battery?

Installation is simple and requires no tools:

  1. Ensure the laptop is on AC power or has enough charge in its internal battery.

  2. Slide the battery release latches on the bottom of the battery.

  3. Insert the new battery into the rear compartment until it clicks into place.

  4. The laptop and Windows will automatically recognize the new battery.

Q6: What warranty do you offer?

This genuine Lenovo battery is covered by a 12-month warranty against manufacturing defects.

Q7: Will this work with my ThinkPad if I already have an internal battery?

Yes, absolutely. This external battery is designed to work in conjunction with your laptop’s internal battery. The system will intelligently manage power draw from both to optimize runtime.

Q8: How can I check my battery status in Windows?

Lenovo provides dedicated software for battery management:

  1. Open Lenovo Vantage or Lenovo Commercial Vantage from the Start Menu.

  2. Go to the “Power” or “Hardware Settings” section.

  3. Here you can see the status and health of both your internal and external batteries.

Q9: Why is my old external battery not holding a charge?

Lithium-ion batteries degrade over time and with use (charge cycles). After several years, it is normal for them to lose a significant portion of their original capacity, which is why a replacement is needed to restore the full “Bridge Battery” functionality.

Q10: Why choose a genuine Lenovo battery over a cheaper alternative?

For a business-grade laptop like a ThinkPad, a genuine battery ensures:

  • Perfect Compatibility: Guaranteed fit and correct communication with the ThinkPad’s power management system.

  • Safety: Meets all of Lenovo’s rigorous safety standards.

  • Reliability: Built with high-quality cells for consistent performance.

  • Warranty Support: Backed by a legitimate warranty.


Need Help Confirming Your Model?
Your ThinkPad’s model number (e.g., 20HE00A5US) is on a label on the bottom of the laptop. Contact us with this number for compatibility confirmation before you purchase

Disclaimer:
All batteries sold on replacementbatterymall.com are replacement parts. replacementbatterymall.com doesn't affiliate with any of the original manufacturers. Any registered trademarks or model names listed above are identified as purposes of showing compatibility only.
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