Lenovo ThinkPad E15 Gen 2

Type 20T9 Laptop, from 2020 7 hardware reports
Memory
16 GB
In every report, slot unconfirmed
Battery
45 Wh
Reported by the batteries
SSD
1+ M.2
At least 1 M.2 SSD slot
SSD length and charger
Coming next
Checked from separate sources
Check before you buy

Check before you buy.

Every machine in the reports has exactly 16 GB. Some laptops report soldered memory as a slot, so we can't confirm a free slot on this one. Open the bottom panel or check the maker's manual first.

Slots listed
2 SO-DIMM slots
Type
DDR4-3200 260-pin SO-DIMM
Most seen working
16 GB in two or more machines
Firmware says
64 GB maximum (often wrong, so we show what machines run)
SSD slots
At least 1 M.2 SSD slot listed by the firmware
How sure
7 of 7 reports show this layout

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

2 laptop-size slots listed by the firmware
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?

Check before you buy. Every machine in the reports has exactly 16 GB. Some laptops report soldered memory as a slot, so we can't confirm a free slot on this one. Open the bottom panel or check the maker's manual first.

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. The firmware reports a maximum of 64 GB, a figure that is often wrong.

Does the Lenovo ThinkPad E15 Gen 2 have an M.2 SSD slot?

Yes. The firmware lists at least 1 M.2 SSD slot, in 7 reports. Some firmware leaves a slot out, so there may be more.

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 20T9. Other type codes share this name: 20TD, 20T8, 20TE.