Fancy Buying Lenovo ThinkPad E480 E490 E580 Battery 45Wh

Fancy Buying replacement battery compatible with a wide range of Lenovo ThinkPad E-series laptops — 11.1V, 45Wh, 3-cell lithium-polymer with built-in protections.

If your ThinkPad E480, E490, E580, E590, E14, E15 or a related E-series model is showing diminished runtime, this Fancy Buying battery is an OEM-grade replacement designed to restore portable performance. It fits the specific part numbers 01AV445, 01AV448, SB10K97606, SB10K97608, 01AV447, L17C3P51, L17M3P52 and other listed variants, and provides modern safety features and a rated life of up to 500 recharge cycles.

How do I know this battery fits my ThinkPad model?

Check the part number printed on your current battery or the service sticker inside the laptop. The Fancy Buying unit replaces a range of OEM part numbers and supports the E480/E485/E490/E495/E580/E585/E590/E595 E14/E15 series and their specific type codes.

• Compatible part numbers: 01AV448, 01AV447, 01AV445, SB10K97606, SB10K97608, SB10K97609 and related codes.
• Supported models: ThinkPad E480, E485, E490, E495, E580, E585, E590, E595, E14 Gen1, E15 Gen1 and matching type numbers (e.g., 20KQ, 20KN, 20N8).
• Tip: open the laptop base or consult the label under the battery bay to confirm your part number before ordering.

What are the technical specs and safety features?

This Fancy Buying battery is a lithium-polymer pack rated at 11.1V and 45Wh with three cells. It includes multiple protection circuits that help prevent overcurrent, overcharge, overdischarge, temperature extremes, and short circuits, and it’s designed to meet OEM-style performance expectations.

• Battery chemistry: Lithium Polymer, 11.1V, 45Wh, 3 cells.
• Protection functions: overcurrent, overcharge, overdischarge, temperature control, and short-circuit protection.
• Durability: rated for roughly 500 recharge cycles under normal use.

How will installation and performance compare to the original battery?

Installation follows the same steps as the factory battery—power down, remove the back cover, unplug the old battery and connect the replacement. Performance should closely match the original when fully charged; however, actual runtime depends on workload, power settings and battery age.

• Installation: standard swappable internal battery; screwdriver required for access.
• Performance: rated to restore runtime comparable to original 45Wh capacity.
• Care: calibrate after first few charge cycles for best battery meter accuracy.

What warranty and support does Fancy Buying provide?

Fancy Buying backs this replacement battery with a 30-day full-refund policy and a 12-month warranty for defects. The seller promises responsive customer service through the store contact options and commits to assistance within 24 hours for warranty or fitment questions.

• Return window: 30 days full refund eligibility.
• Warranty coverage: 12 months for manufacturing faults.
• Support: click "ASK A QUESTION" on the product page for assistance; expect email follow-up within 24 hours.

Who is this for? This Fancy Buying replacement battery is aimed at Lenovo ThinkPad E-series owners who need a reliable, safe, and cost-effective way to restore laptop portability. It’s especially useful for professionals, students, and technicians maintaining E480/E490/E580/E590/E14/E15 systems who require a direct-fit battery with built-in protection circuits and a straightforward warranty.