Lenovo ThinkPad E15 Gen 2

Type 20TE Laptop, from 2021 7 hardware reports
Memory
Up to 16 GB
1 laptop-size slot
Battery
45 Wh
Reported by the batteries
SSD and charger
Coming next
Checked from separate sources
Upgradable

Yes. One slot, up to 16 GB seen working.

It takes DDR4-3200 laptop-size sticks (SO-DIMM).

Slots
1 SO-DIMM slot
Type
DDR4-3200 260-pin SO-DIMM
Most seen working
16 GB in two or more machines; one machine runs 32 GB
Firmware says
128 GB maximum (often wrong, so we show what machines run)
How sure
7 of 7 reports show this layout
See 16 GB DDR4-3200 SO-DIMM on AmazonOpens an Amazon search for this exact spec.

Worked out from 7 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.

1 laptop-size slot
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 E15 Gen 2 battery on AmazonMatch the capacity and part number to the label on your battery.

From 7 battery readings. Sources and method. Updated 9 Nov 2026.

Illustration

Questions

Can I upgrade the RAM in the Lenovo ThinkPad E15 Gen 2?

Yes. One slot, up to 16 GB seen working. It takes DDR4-3200 laptop-size sticks (SO-DIMM).

What type of RAM does the Lenovo ThinkPad E15 Gen 2 use?

DDR4-3200 laptop-size sticks (SO-DIMM, 260-pin).

How much RAM can the Lenovo ThinkPad E15 Gen 2 take?

Machines in the reports run up to 16 GB, and one runs 32 GB. The firmware reports a maximum of 128 GB, a figure that is often wrong.

What battery does the Lenovo ThinkPad E15 Gen 2 use?

Batteries in these laptops report 45 Wh, going by 7 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 E15 Gen 2, and the type code starts with 20TE. Other type codes share this name: 20TD, 20T8, 20T9.

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