The Lenovo 01AV478 Laptop Battery is a premium 3-cell 57Wh internal replacement battery compatible with the Lenovo ThinkPad T480s laptop series. Featuring an 11.58V output and high-quality lithium-polymer cells, it delivers reliable power, longer battery runtime, and efficient energy management for professional, remote, and everyday computing workloads. Advanced safety circuitry protects against overcharging, overheating, over-current, and short circuits, ensuring safe and dependable operation. Designed to match precise OEM form factors and specifications, the 01AV478 / L17M3P71 replacement battery seamlessly restores your ThinkPad’s battery life, portability, and overall system performance, making it the perfect upgrade for a degraded or defective internal battery.
Features
Premium lithium-polymer cells for reliable, slim-profile, and long-lasting performance.
57Wh high-capacity battery provides extended runtime between charges for full workdays.
Built-in protection against overcharging, overheating, over-current, and short circuits.
Stable power delivery engineered to support enterprise business tasks, multitasking, and everyday computing.
Direct-fit replacement engineered to meet or exceed original Lenovo OEM specifications.
Supports hundreds of charge cycles for dependable long-term performance.
Clean internal installation with a precise fit for the ThinkPad T480s chassis.
Key Specifications
Battery Model: 01AV478 / L17M3P71
Battery Type: Lithium-Polymer (Li-Polymer)
Cells: 3-Cell
Voltage: 11.58V (Compatible with 11.52V)
Capacity: 57Wh (4920mAh)
Color: Black
Condition: Brand New Replacement Battery
Rechargeable: Yes
Compatible Laptop Models
Lenovo ThinkPad T480s Series (Type 20L7, 20L8)
Compatible Part Numbers
01AV478
01AV479
01AV480
L17M3P71
L17L3P71
L17C3P71
SB10K97620
SB10K97621
SB10K97622
5B10W13953
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