diff --git a/code/modules/vehicles/mecha/equipment/weapons/weapons.dm b/code/modules/vehicles/mecha/equipment/weapons/weapons.dm
index d85189ea8ea..91d49c5bc7e 100644
--- a/code/modules/vehicles/mecha/equipment/weapons/weapons.dm
+++ b/code/modules/vehicles/mecha/equipment/weapons/weapons.dm
@@ -97,7 +97,7 @@
 	name = "\improper CH-PS \"Immolator\" laser"
 	desc = "A weapon for combat exosuits. Shoots basic lasers."
 	icon_state = "mecha_laser"
-	energy_drain = 30
+	energy_drain = 3 KILO JOULES
 	projectile = /obj/projectile/beam/laser
 	fire_sound = 'sound/items/weapons/laser.ogg'
 	harmful = TRUE
@@ -107,7 +107,7 @@
 	name = "\improper CH-DS \"Peacemaker\" disabler"
 	desc = "A weapon for combat exosuits. Shoots a bunch of weak disabler beams."
 	icon_state = "mecha_disabler"
-	energy_drain = 100
+	energy_drain = 10 KILO JOULES
 	projectile = /obj/projectile/beam/disabler/weak
 	variance = 25
 	projectiles_per_shot = 5
@@ -119,7 +119,7 @@
 	name = "\improper CH-LC \"Solaris\" laser cannon"
 	desc = "A weapon for combat exosuits. Shoots heavy lasers."
 	icon_state = "mecha_laser"
-	energy_drain = 60
+	energy_drain = 6 KILO JOULES
 	projectile = /obj/projectile/beam/laser/heavylaser
 	fire_sound = 'sound/items/weapons/lasercannonfire.ogg'
 
@@ -128,7 +128,7 @@
 	name = "\improper MKIV ion heavy cannon"
 	desc = "A weapon for combat exosuits. Shoots technology-disabling ion beams. Don't catch yourself in the blast!"
 	icon_state = "mecha_ion"
-	energy_drain = 120
+	energy_drain = 1.2 KILO JOULES
 	projectile = /obj/projectile/ion
 	fire_sound = 'sound/items/weapons/laser.ogg'
 
@@ -137,7 +137,7 @@
 	name = "\improper MKI Tesla Cannon"
 	desc = "A weapon for combat exosuits. Fires bolts of electricity similar to the experimental tesla engine."
 	icon_state = "mecha_ion"
-	energy_drain = 500
+	energy_drain = 5 KILO JOULES
 	projectile = /obj/projectile/energy/tesla/cannon
 	fire_sound = 'sound/effects/magic/lightningbolt.ogg'
 	harmful = TRUE
@@ -147,7 +147,7 @@
 	name = "eZ-13 MK2 heavy pulse rifle"
 	desc = "A weapon for combat exosuits. Shoots powerful destructive blasts capable of demolishing obstacles."
 	icon_state = "mecha_pulse"
-	energy_drain = 120
+	energy_drain = 1.2 KILO JOULES
 	projectile = /obj/projectile/beam/pulse/heavy
 	fire_sound = 'sound/items/weapons/marauder.ogg'
 	harmful = TRUE
@@ -160,7 +160,7 @@
 	inhand_icon_state = "plasmacutter"
 	lefthand_file = 'icons/mob/inhands/weapons/guns_lefthand.dmi'
 	righthand_file = 'icons/mob/inhands/weapons/guns_righthand.dmi'
-	energy_drain = 30
+	energy_drain = 0.3 KILO JOULES
 	projectile = /obj/projectile/plasma/adv/mech
 	fire_sound = 'sound/items/weapons/plasma_cutter.ogg'
 	harmful = TRUE
@@ -173,7 +173,7 @@
 	name = "\improper Prototype -I 'Thermal Cannon'"
 	desc = "A special prototype of a heavy thermal weapon designed for use on exosuits. This one is debug-chambered."
 	icon_state = "mecha_laser"
-	energy_drain = 50
+	energy_drain = 5 KILO JOULES
 	projectile = /obj/item/ammo_casing/energy/nanite
 	fire_sound = 'sound/items/weapons/thermalpistol.ogg'
 	harmful = TRUE
@@ -230,7 +230,7 @@
 	name = "Exosuit Proto-kinetic Accelerator"
 	desc = "An exosuit-mounted mining tool that does increased damage in low pressure. Drawing from an onboard power source allows it to project further than the handheld version."
 	icon_state = "mecha_kineticgun"
-	energy_drain = 30
+	energy_drain = 0.3 KILO JOULES
 	projectile = /obj/projectile/kinetic/mech
 	equip_cooldown = 1.6 SECONDS
 	fire_sound = 'sound/items/weapons/kinetic_accel.ogg'
@@ -241,7 +241,7 @@
 	name = "\improper PBT \"Pacifier\" mounted taser"
 	desc = "A weapon for combat exosuits. Shoots non-lethal stunning electrodes."
 	icon_state = "mecha_taser"
-	energy_drain = 20
+	energy_drain = 2 KILO JOULES
 	equip_cooldown = 8
 	projectile = /obj/projectile/energy/electrode
 	fire_sound = 'sound/items/weapons/taser.ogg'
@@ -252,7 +252,7 @@
 	name = "\improper HoNkER BlAsT 5000"
 	desc = "Equipment for clown exosuits. Spreads fun and joy to everyone around. Honk!"
 	icon_state = "mecha_honker"
-	energy_drain = 200
+	energy_drain = 2 KILO JOULES
 	equip_cooldown = 150
 	projectiles_per_shot = 0
 	range = MECHA_MELEE|MECHA_RANGED