Per chi ha molti, molti, molti apparecchi da caricare :-) :
https://it.aliexpress.com/item/33043579681.html?spm=a2g0o.productlist.0.0.36a13ed6CwW5W3&s=p&ad_pvid=202004100849203273242392222740002463649_5&algo_pvid=e8bc1fa4-0e47-41dd-b252-b44ae625c591&algo_expid=e8bc1fa4-0e47-41dd-b252-b44ae625c591-4&btsid=0ab6fab215865337602191579ef8c1&ws_ab_test=searchweb0_0,searchweb201602_,searchweb201603_
Max