2-power pääakku Lenovo ThinkPad R480 - akku - 45 mAh (2P-5B10W13890)

This is the direct replacement battery pack engineered for the Lenovo ThinkPad R480, E480, and E580 — a 45 Wh lithium-ion unit that restores full mobility without the dealer price tag. Unlike generic third-party cells that often misreport capacity or trigger BIOS warnings, this 2-Power pack matches the original 11.25 V architecture and 4000 mAh energy rating, so your ThinkPad runs as expected from the first boot.

Highlights

• Genuine 45 Wh capacity with 3-cell Li-Ion construction for dependable runtime
• Precise voltage (11.25 V) and connector alignment for Lenovo ThinkPad R480, E480, E580
• Integrated protection against overcharge, over-discharge, over-current, short-circuit, and overheating
• Replaces Lenovo OEM part numbers L17M3P51, L17L3P51, L17C3P51
• CE and RoHS certified; brand-new condition, never refurbished

In daily use

Once fitted, the battery behaves like the original: the system reads charge level accurately, Windows reports the expected design capacity, and there are no unexpected shutdowns under load. The internal cell design keeps the notebook slim, while the black casing blends invisibly into the chassis. Because the pack is new, you start with full cycle life — ideal for users who rely on their ThinkPad away from a desk for meetings, fieldwork, or travel.

Full specifications

• Product type: Laptop battery (internal)
• Battery technology: Lithium-Ion (Li-Ion)
• Capacity: 45 Wh / 4000 mAh
• Voltage: 11.25 V
• Number of cells: 3
• Compatible models: Lenovo ThinkPad R480, E480, E580
• Replacement for OEM part numbers: L17M3P51, L17L3P51, L17C3P51
• Colour: Black
• Rechargeable: Yes
• Protection: Overcharge, over-discharge, over-current, short-circuit, over-temperature
• Condition: New
• Certifications: CE, RoHS

Final note

For a ThinkPad that still has years of service left, this 2-Power battery is the practical choice — verified compatibility, full safety circuitry, and a price that makes sense.