This system is called WINGSOL MSR-110B and it is made by Taiyo Kogyo Corporation and OS Co., Ltd.. This mobile battery system comes with solar panel sheet that can be rolled up in a few seconds, allowing you to power your battery at any time. You can easily detach solar panel sheet from the battery and use the battery to power all sorts of devices. As you can see WINGSOL MSR-110B portable battery system can be useful if you’re camping or in case of power outage or natural disaster.
WINGSOL MSR-110B portable battery system has a lot to offer and it might be a useful device to have in case of emergency, however, it’s only available on Japanese market and it is currently priced at hefty $7,612.