Totally Portable Solar Charging?

[PingSpike]

Check this out Dave, not sure if it’d be suitable for your expedition though:

Never run out of power

After some recent battery frustration, particularly with the battery power on the Spark, I did some research and discovered the below item from Billy Kyle’s YouTube page. Not only will this charge up flat devices via USB and USB-C ports, this also has a mains output enabling you to, say, plug in the Spark 3 battery charger using the supplied mains lead, or the Mavic four battery hub via a mains lead. It arrived yesterday from Amazon, via Prime, and charged up the internal 27000mAh battery in q…