Panasonic CF-31-5

Laptop, from 2015 5 hardware reports
Memory
Up to 16 GB
2 laptop-size slots
Battery
73 Wh / 91 Wh
Reported by the batteries
SSD and charger
Coming next
Checked from separate sources
Upgradable

Yes. 2 slots, up to 16 GB seen working.

It takes DDR3-1600 laptop-size sticks (SO-DIMM).

Slots
2 SO-DIMM slots
Type
DDR3-1600 204-pin SO-DIMM
Most seen working
16 GB in two or more machines
0
How sure
5 of 5 reports show this layout
See 8 GB DDR3-1600 SO-DIMM on AmazonOpens an Amazon search for this exact spec.

Worked out from 5 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.

2 laptop-size slots
Illustration
Battery

Batteries in these laptops report 73 Wh or 91 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.

Panasonic CF-31-5 battery on AmazonMatch the capacity and part number to the label on your battery.

From 5 battery readings. Sources and method. Updated 9 Nov 2026.

Illustration

Questions

Can I upgrade the RAM in the Panasonic CF-31-5?

Yes. 2 slots, up to 16 GB seen working. It takes DDR3-1600 laptop-size sticks (SO-DIMM).

What type of RAM does the Panasonic CF-31-5 use?

DDR3-1600 laptop-size sticks (SO-DIMM, 204-pin).

How much RAM can the Panasonic CF-31-5 take?

Machines in the reports run up to 16 GB.

What battery does the Panasonic CF-31-5 use?

Batteries in these laptops report 73 Wh or 91 Wh, going by 5 reports. Other pack sizes may have shipped, so check the capacity printed on yours.

Is this my laptop?

Check the model name on the label underneath. It should read CF-31-5.