diff --git a/code/modules/power/tesla/coil.dm b/code/modules/power/tesla/coil.dm
index 62d4efac206..7f194846414 100644
--- a/code/modules/power/tesla/coil.dm
+++ b/code/modules/power/tesla/coil.dm
@@ -45,7 +45,7 @@
 	for(var/obj/item/stock_parts/capacitor/C in component_parts)
 		power_multiplier += C.rating
 		zap_cooldown -= (C.rating * 20)
-	input_power_multiplier = (0.85 * (power_multiplier / 4)) //Max out at 85% efficency.
+	input_power_multiplier = max(1 * (power_multiplier / 8), 0.25) //Max out at 50% efficency.
 
 /obj/machinery/power/energy_accumulator/tesla_coil/examine(mob/user)
 	. = ..()