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This is a quick overview of the improved thermals and battery life in the Dogwood batch.

Flipping the CPU to the other side of the PCB means that under heavy load, Dogwood’s screen heats up a bit more, while Chestnut heats the back cover. The way Dogwood manages heat is much more efficient, resulting in the hottest spot being 4 degrees Celsius cooler than in Chestnut.

The CPU also benefits from its new placement on the PCB.

Chestnut vs Dogwood

Dogwood comes with a 75% bigger battery than Chestnut. Taking into account for a slightly higher power draw in dogwood, this comes out to around 60% more runtime.

Uses case runtimes

How long a full charge lasts depends on what the Librem 5 is doing.

We are actively working on improving in use runtimes. In the future, we are also planning to support suspend to RAM. Since software won’t be running continually while suspended, standby time will increase drastically.

 

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Purism believes building the Librem 5 is just one step on the road to launching a digital rights movement, where we—the-people stand up for our digital rights, where we place the control of your data and your family’s data back where it belongs: in your own hands.

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