Adds check_charge(), checked_use()

code/game/objects/items/weapons/power_cells.dm

@@ -88,8 +88,11 @@
 	name = "infinite-capacity power cell!"
 	icon_state = "icell"
 	origin_tech =  null
-	maxcharge = 30000
+	maxcharge = 30000 //determines how badly mobs get shocked
 	matter = list("metal" = 700, "glass" = 80)
+	
+	check_charge()
+		return 1
 	use()
 		return 1
 

code/game/objects/items/weapons/stunbaton.dm

@@ -35,13 +35,13 @@
 
 /obj/item/weapon/melee/baton/proc/deductcharge(var/chrgdeductamt)
 	if(bcell)
-		if(bcell.charge >= chrgdeductamt)
-			bcell.use(chrgdeductamt)
+		if(bcell.checked_use(chrgdeductamt))
 			return 1
 		else
 			status = 0
 			update_icon()
 			return 0
+	return null
 
 /obj/item/weapon/melee/baton/update_icon()
 	if(status)