Lenovo ThinkPad T15p Gen 3

Type 21DA Laptop, from 2022 6 hardware reports
Memory
Up to 32 GB
2 laptop-size slots
Battery
68 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 DDR5-4800 laptop-size sticks (SO-DIMM).

Slots
2 SO-DIMM slots
Type
DDR5-4800 262-pin SO-DIMM
Most seen working
32 GB in two or more machines; one machine runs 64 GB
Firmware says
64 GB maximum (often wrong, so we show what machines run)
How sure
5 of 6 reports show this layout
See 16 GB DDR5-4800 SO-DIMM on AmazonOpens an Amazon search for this exact spec.

Worked out from 6 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.

2 laptop-size slots
Illustration
Battery

Batteries in these laptops report 68 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 T15p Gen 3 battery on AmazonMatch the capacity and part number to the label on your battery.

From 6 battery readings. Sources and method. Updated 9 Nov 2026.

Illustration

Questions

Can I upgrade the RAM in the Lenovo ThinkPad T15p Gen 3?

Yes. 2 slots, up to 32 GB seen working. It takes DDR5-4800 laptop-size sticks (SO-DIMM).

What type of RAM does the Lenovo ThinkPad T15p Gen 3 use?

DDR5-4800 laptop-size sticks (SO-DIMM, 262-pin).

How much RAM can the Lenovo ThinkPad T15p Gen 3 take?

Machines in the reports run up to 32 GB, and one runs 64 GB. The firmware reports a maximum of 64 GB, a figure that is often wrong.

What battery does the Lenovo ThinkPad T15p Gen 3 use?

Batteries in these laptops report 68 Wh, going by 6 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 T15p Gen 3, and the type code starts with 21DA.