Lenovo ThinkPad E580

Type 20KT Laptop, from 2020 3 hardware reports
Memory
Up to 32 GB
2 laptop-size slots
Battery
45 Wh
Reported by the batteries
SSD and charger
Coming next
Checked from separate sources
Upgradable

Yes. 2 slots, up to 32 GB seen working.

It takes DDR4-2400 laptop-size sticks (SO-DIMM).

Slots
2 SO-DIMM slots
Type
DDR4-2400 260-pin SO-DIMM
Most seen working
32 GB; one machine runs 32 GB
Firmware says
32 GB maximum
How sure
3 of 3 reports show this layout
See 16 GB DDR4-2400 SO-DIMM on AmazonOpens an Amazon search for this exact spec.

Worked out from 3 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.

2 laptop-size slots
Illustration
Battery

Batteries in these laptops report 45 Wh.

That is the design capacity the batteries themselves report, and the label can read 1 to 3 Wh higher. Other pack sizes may have shipped, so check the capacity printed on yours before you order.

Lenovo ThinkPad E580 battery on AmazonMatch the capacity and part number to the label on your battery.

From 3 battery readings. Sources and method. Updated 9 Nov 2026.

Illustration

Questions

Can I upgrade the RAM in the Lenovo ThinkPad E580?

Yes. 2 slots, up to 32 GB seen working. It takes DDR4-2400 laptop-size sticks (SO-DIMM).

What type of RAM does the Lenovo ThinkPad E580 use?

DDR4-2400 laptop-size sticks (SO-DIMM, 260-pin).

What battery does the Lenovo ThinkPad E580 use?

Batteries in these laptops report 45 Wh, going by 3 reports. Other pack sizes may have shipped, so check the capacity printed on yours.

Is this my laptop?

Check the label on the bottom. It should say ThinkPad E580, and the type code starts with 20KT. Other type codes share this name: 20KS.

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