Who wants to charge his board in a matter of minutes? 
I didn’t do it myself, since I have never managed to find enough time for my projects. But, in theory, it should be possible with the right cells.
Check the parameters on the photos.
The original ad is here https://www.ebay-kleinanzeigen.de/s-anzeige/netzteil-delta-electronics-esr-48-30d-52v-30a/1674993753-168-4330
Or eBay: http://rover.ebay.com/rover/1/707-53477-19255-0/1?icep_ff3=2&pub=5575378759&campid=5338273189&customid=&icep_item=284193665347&ipn=psmain&icep_vectorid=229487&kwid=902099&mtid=824&kw=lg&toolid=11111
1 Like
Sold all 3.