View difference between Paste ID: er8uXT0M and dfPHMxAB

 function test()
   for i, j in pairs(peripheral.call("right","get")) do
     print("** "..i)
     print(j)
   end
   print("_____________")
 end
 
 function rechargeCell()
   turtle.place()
   while true do
     print("waiting...")
     test()
     sleep(5)
     if peripheral.call("right", "get")["Full Energy"] == true then
       print("Cellule chargee!")
       turtle.dig()
       return true
     end
   end
 end
 
-for i=1,16 do
+while true do
-  turtle.select(i)
+  for i=1,16 do
-  print("Recharging slot"..i)
+    turtle.select(i)
-  rechargeCell()
+    if(turtle.getItemCount(i)>0) then
       print("Recharging slot"..i)
       rechargeCell()
     end
   end
   sleep(5)
 end