We’re delighted to be doing a trial with Worldreader, an organization that makes “digital books available to all in the developing world, enabling millions of people to improve their lives.” They’re looking for solutions to charge multiple Kindles at a time so we built a cable that connects up to four Kindles at once.
kindle multi-charger solar
You can read CEO David Risher’s full post here.
The crux of the test is determining what the minimum charge current is required to be able to charge a Kindle. The less current needed, the more Kindles you can charge from a single Amp solar charger, the fewer systems they’ll need in the field.

Ideally, you could connect the Kindle directly to a solar panel, eliminating the battery, but in our testing the Kindle stopped charging when a cloud or shadow went over the panel. We had to manually reconnect the panel in order for it to start charging again.

If you’d like to donate to Worldreader, you can do so here.

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