Correctly set description of nonstandard cells

code/modules/mob/living/silicon/robot/robot.dm

@@ -115,9 +115,7 @@
 	ident = rand(1, 999)
 
 	if(!cell)
-		cell = new /obj/item/stock_parts/cell(src)
-		cell.maxcharge = 7500
-		cell.charge = 7500
+		cell = new /obj/item/stock_parts/cell/high(src, 7500)
 
 	if(lawupdate)
 		make_laws()
@@ -854,8 +852,7 @@
 
 /mob/living/silicon/robot/modules/syndicate/Initialize()
 	. = ..()
-	cell.maxcharge = 25000
-	cell.charge = 25000
+	cell = new /obj/item/stock_parts/cell/hyper(src, 25000)
 	radio = new /obj/item/device/radio/borg/syndicate(src)
 	laws = new /datum/ai_laws/syndicate_override()
 	addtimer(CALLBACK(src, .proc/show_playstyle), 5)