Ok, done.

code/modules/power/cell.dm

@@ -58,16 +58,16 @@
 	else
 		return PROCESS_KILL
 
-/obj/item/stock_parts/cell/update_icon()
-	cut_overlays()
+/obj/item/stock_parts/cell/update_overlays()
+	. = ..()
 	if(grown_battery)
-		add_overlay(image('icons/obj/power.dmi',"grown_wires"))
+		. += image('icons/obj/power.dmi',"grown_wires")
 	if(charge < 0.01)
 		return
 	else if(charge/maxcharge >=0.995)
-		add_overlay("cell-o2")
+		. += "cell-o2"
 	else
-		add_overlay("cell-o1")
+		. += "cell-o1"
 
 /obj/item/stock_parts/cell/proc/percent()		// return % charge of cell
 	return 100*charge/maxcharge
@@ -281,8 +281,9 @@
 	maxcharge = 50000
 	ratingdesc = FALSE
 
-/obj/item/stock_parts/cell/infinite/abductor/update_icon()
-	return
+/obj/item/stock_parts/cell/infinite/abductor/ComponentInitialize()
+	. = ..()
+	AddElement(/datum/element/update_icon_blocker)
 
 
 /obj/item/stock_parts/cell/potato