diff --git a/code/_onclick/hud/alert.dm b/code/_onclick/hud/alert.dm
index 0ededa09c22..3081880394f 100644
--- a/code/_onclick/hud/alert.dm
+++ b/code/_onclick/hud/alert.dm
@@ -322,7 +322,7 @@ Recharging stations are available in robotics, the dormitory bathrooms, and the
 
 /obj/screen/alert/nymph/Click()
 	if(!usr || !usr.client)
-		return		
+		return
 	if(isnymph(usr))
 		var/mob/living/simple_animal/diona/D = usr
 		return D.resist()
@@ -412,6 +412,26 @@ so as to remain in compliance with the most up-to-date laws."
 	else
 		to_chat(usr, "<span class='notice'>[M] is not connected to a port at the moment.</span>")
 
+/obj/screen/alert/mech_nocell
+	name = "Missing Power Cell"
+	desc = "Mech has no power cell."
+	icon_state = "nocell"
+
+/obj/screen/alert/mech_emptycell
+	name = "Out of Power"
+	desc = "Mech is out of power."
+	icon_state = "emptycell"
+
+/obj/screen/alert/mech_lowcell
+	name = "Low Charge"
+	desc = "Mech is running out of power."
+	icon_state = "lowcell"
+
+/obj/screen/alert/mech_maintenance
+	name = "Maintenance Protocols"
+	desc = "Maintenance protocols are currently in effect, most actions disabled."
+	icon_state = "locked"
+
 //GUARDIANS
 /obj/screen/alert/cancharge
 	name = "Charge Ready"
diff --git a/code/game/mecha/combat/gygax.dm b/code/game/mecha/combat/gygax.dm
index c930df4b97b..1afdc52a34a 100644
--- a/code/game/mecha/combat/gygax.dm
+++ b/code/game/mecha/combat/gygax.dm
@@ -48,6 +48,7 @@
 	wreckage = /obj/effect/decal/mecha_wreckage/gygax/dark
 	max_equip = 4
 	maxsize = 2
+	starting_voice = /obj/item/mecha_modkit/voice/syndicate
 
 /obj/mecha/combat/gygax/dark/loaded/New()
 	..()
diff --git a/code/game/mecha/combat/honker.dm b/code/game/mecha/combat/honker.dm
index 751d93c944a..ce33ba75e91 100644
--- a/code/game/mecha/combat/honker.dm
+++ b/code/game/mecha/combat/honker.dm
@@ -15,6 +15,7 @@
 	wreckage = /obj/effect/decal/mecha_wreckage/honker
 	add_req_access = 0
 	max_equip = 3
+	starting_voice = /obj/item/mecha_modkit/voice/honk
 	var/squeak = 0
 
 /obj/mecha/combat/honker/loaded/New()
diff --git a/code/game/mecha/combat/marauder.dm b/code/game/mecha/combat/marauder.dm
index 8e16b6128dd..aee96d7a7ae 100644
--- a/code/game/mecha/combat/marauder.dm
+++ b/code/game/mecha/combat/marauder.dm
@@ -17,6 +17,7 @@
 	internal_damage_threshold = 25
 	force = 45
 	max_equip = 5
+	starting_voice = /obj/item/mecha_modkit/voice/nanotrasen
 
 /obj/mecha/combat/marauder/GrantActions(mob/living/user, human_occupant = 0)
 	. = ..()
@@ -89,6 +90,7 @@
 	initial_icon = "mauler"
 	operation_req_access = list(access_syndicate)
 	wreckage = /obj/effect/decal/mecha_wreckage/mauler
+	starting_voice = /obj/item/mecha_modkit/voice/syndicate
 
 /obj/mecha/combat/marauder/mauler/loaded/New()
 	..()
diff --git a/code/game/mecha/combat/reticence.dm b/code/game/mecha/combat/reticence.dm
index ba4566a1e91..436f60d90b2 100644
--- a/code/game/mecha/combat/reticence.dm
+++ b/code/game/mecha/combat/reticence.dm
@@ -15,10 +15,11 @@
 	add_req_access = 0
 	internal_damage_threshold = 60
 	max_equip = 3
-	step_energy_drain = 3 
+	step_energy_drain = 3
 	normal_step_energy_drain = 3
 	stepsound = null
 	turnsound = null
+	starting_voice = /obj/item/mecha_modkit/voice/silent
 
 /obj/mecha/combat/reticence/loaded/New()
 	..()
diff --git a/code/game/mecha/equipment/mecha_equipment.dm b/code/game/mecha/equipment/mecha_equipment.dm
index 743b8a097e6..7b3dcbf899d 100644
--- a/code/game/mecha/equipment/mecha_equipment.dm
+++ b/code/game/mecha/equipment/mecha_equipment.dm
@@ -34,9 +34,9 @@
 		chassis.occupant_message("<span class='danger'>The [src] is destroyed!</span>")
 		chassis.log_append_to_last("[src] is destroyed.",1)
 		if(istype(src, /obj/item/mecha_parts/mecha_equipment/weapon))
-			chassis.occupant << sound('sound/mecha/weapdestr.ogg', volume = 50)
+			chassis.occupant << sound(chassis.weapdestrsound, volume = 50)
 		else
-			chassis.occupant << sound('sound/mecha/critdestr.ogg', volume = 50)
+			chassis.occupant << sound(chassis.critdestrsound, volume = 50)
 		detach(chassis)
 	return ..()
 
diff --git a/code/game/mecha/mecha.dm b/code/game/mecha/mecha.dm
index 998228beee5..32ee1c19cde 100644
--- a/code/game/mecha/mecha.dm
+++ b/code/game/mecha/mecha.dm
@@ -76,6 +76,15 @@
 
 	var/stepsound = 'sound/mecha/mechstep.ogg'
 	var/turnsound = 'sound/mecha/mechturn.ogg'
+	var/nominalsound = 'sound/mecha/nominal.ogg'
+	var/zoomsound = 'sound/mecha/imag_enh.ogg'
+	var/critdestrsound = 'sound/mecha/critdestr.ogg'
+	var/weapdestrsound = 'sound/mecha/weapdestr.ogg'
+	var/lowpowersound = 'sound/mecha/lowpower.ogg'
+	var/longactivationsound = 'sound/mecha/nominal.ogg'
+	var/starting_voice = /obj/item/mecha_modkit/voice
+	var/activated = FALSE
+	var/power_warned = FALSE
 
 	var/melee_cooldown = 10
 	var/melee_can_hit = 1
@@ -121,6 +130,10 @@
 	diag_hud_set_mechstat()
 	diag_hud_set_mechtracking()
 
+	var/obj/item/mecha_modkit/voice/V = new starting_voice(src)
+	V.install(src)
+	qdel(V)
+
 ////////////////////////
 ////// Helpers /////////
 ////////////////////////
@@ -872,6 +885,16 @@
 		user.drop_item()
 		qdel(P)
 
+	else if(istype(W, /obj/item/mecha_modkit))
+		if(occupant)
+			to_chat(user, "<span class='notice'>You can't access the mech's modification port while it is occupied.</span>")
+			return
+		var/obj/item/mecha_modkit/M = W
+		if(do_after_once(user, M.install_time, target = src))
+			M.install(src, user)
+		else
+			to_chat(user, "<span class='notice'>You stop installing [M].</span>")
+
 	else
 		return attacked_by(W, user)
 
@@ -993,7 +1016,7 @@
 	icon_state = initial(icon_state)
 	playsound(src, 'sound/machines/windowdoor.ogg', 50, 1)
 	if(!hasInternalDamage())
-		occupant << sound('sound/mecha/nominal.ogg',volume=50)
+		occupant << sound(nominalsound, volume = 50)
 	AI.cancel_camera()
 	AI.controlled_mech = src
 	AI.remote_control = src
@@ -1151,8 +1174,13 @@
 		icon_state = reset_icon()
 		dir = dir_in
 		playsound(src, 'sound/machines/windowdoor.ogg', 50, 1)
-		if(!hasInternalDamage())
-			occupant << sound('sound/mecha/nominal.ogg', volume = 50)
+		if(!activated)
+			occupant << sound(longactivationsound, volume = 50)
+			activated = TRUE
+		else if(!hasInternalDamage())
+			occupant << sound(nominalsound, volume = 50)
+		if(state)
+			H.throw_alert("locked", /obj/screen/alert/mech_maintenance)
 		return 1
 	else
 		return 0
@@ -1208,7 +1236,7 @@
 		dir = dir_in
 		log_message("[mmi_as_oc] moved in as pilot.")
 		if(!hasInternalDamage())
-			to_chat(occupant, sound('sound/mecha/nominal.ogg',volume=50))
+			to_chat(occupant, sound(nominalsound, volume=50))
 		GrantActions(brainmob)
 		return 1
 	else
@@ -1235,6 +1263,7 @@
 		return
 	var/atom/movable/mob_container
 	occupant.clear_alert("charge")
+	occupant.clear_alert("locked")
 	occupant.clear_alert("mech damage")
 	occupant.clear_alert("mechaport")
 	occupant.clear_alert("mechaport_d")
@@ -1349,15 +1378,39 @@
 /obj/mecha/proc/use_power(amount)
 	if(get_charge())
 		cell.use(amount)
+		update_cell()
 		return 1
 	return 0
 
 /obj/mecha/proc/give_power(amount)
 	if(!isnull(get_charge()))
 		cell.give(amount)
+		update_cell()
 		return 1
 	return 0
 
+/obj/mecha/proc/update_cell()
+	if(cell)
+		var/cellcharge = cell.charge/cell.maxcharge
+		switch(cellcharge)
+			if(0.75 to INFINITY)
+				occupant.clear_alert("charge")
+			if(0.5 to 0.75)
+				occupant.throw_alert("charge", /obj/screen/alert/mech_lowcell, 1)
+			if(0.25 to 0.5)
+				occupant.throw_alert("charge", /obj/screen/alert/mech_lowcell, 2)
+				if(power_warned)
+					power_warned = FALSE
+			if(0.01 to 0.25)
+				occupant.throw_alert("charge", /obj/screen/alert/mech_lowcell, 3)
+				if(!power_warned)
+					occupant << sound(lowpowersound, volume = 50)
+					power_warned = TRUE
+			else
+				occupant.throw_alert("charge", /obj/screen/alert/mech_emptycell)
+	else
+		occupant.throw_alert("charge", /obj/screen/alert/mech_nocell)
+
 /obj/mecha/proc/reset_icon()
 	if(initial_icon)
 		icon_state = initial_icon
diff --git a/code/game/mecha/mecha_actions.dm b/code/game/mecha/mecha_actions.dm
index db807634102..c7ab5ac6620 100644
--- a/code/game/mecha/mecha_actions.dm
+++ b/code/game/mecha/mecha_actions.dm
@@ -187,7 +187,7 @@
 		chassis.occupant_message("<font color='[chassis.zoom_mode ? "blue" : "red"]'>Zoom mode [chassis.zoom_mode ? "en" : "dis"]abled.</font>")
 		if(chassis.zoom_mode)
 			owner.client.AddViewMod("mecha", 12)
-			SEND_SOUND(owner, sound('sound/mecha/imag_enh.ogg',volume=50))
+			SEND_SOUND(owner, sound(chassis.zoomsound, volume = 50))
 		else
 			owner.client.RemoveViewMod("mecha")
 		UpdateButtonIcon()
diff --git a/code/game/mecha/mecha_modkit.dm b/code/game/mecha/mecha_modkit.dm
new file mode 100644
index 00000000000..9a75fc75077
--- /dev/null
+++ b/code/game/mecha/mecha_modkit.dm
@@ -0,0 +1,78 @@
+/obj/item/mecha_modkit
+	name = "mecha modification kit"
+	desc = "A kit to modify your mech. This one doesn't do anything."
+	icon = 'icons/obj/module.dmi'
+	icon_state = "harddisk_mini"
+	var/install_time = 15
+
+/obj/item/mecha_modkit/proc/install(var/obj/mecha/mech, var/mob/user)
+	if(user)
+		to_chat(user, "<span class='notice'>You install [src] into [mech].</span>")
+	return TRUE
+
+/obj/item/mecha_modkit/voice
+	name = "mecha voice modification kit : Standard"
+	desc = "This modification kit updates a mech's onboard voice to Standard."
+	var/nominalsound = 'sound/mecha/nominal.ogg'
+	var/zoomsound = 'sound/mecha/imag_enh.ogg'
+	var/critdestrsound = 'sound/mecha/critdestr.ogg'
+	var/weapdestrsound = 'sound/mecha/weapdestr.ogg'
+	var/lowpowersound = 'sound/mecha/lowpower.ogg'
+	var/longactivationsound = 'sound/mecha/nominal.ogg'
+
+/obj/item/mecha_modkit/voice/install(var/obj/mecha/mech, var/mob/living/carbon/user)
+	if(istype(mech, /obj/mecha/combat/reticence) && user)
+		to_chat(user, "<span class='warning'>You attempt to install [src] into [mech], but an invisible barrier prevents you from doing so!</span>")
+		return FALSE
+	if(istype(mech, /obj/mecha/combat/honker) && user)
+		to_chat(user, "<span class='warning'>You attempt to install [src] into [mech], but you somehow trip before you get it in!</span>")
+		user.slip("your own foot", 8, 5, 0, 0, 1, "trip")
+		return FALSE
+	mech.nominalsound = nominalsound
+	mech.zoomsound = zoomsound
+	mech.critdestrsound = critdestrsound
+	mech.weapdestrsound = weapdestrsound
+	mech.lowpowersound = lowpowersound
+	mech.longactivationsound = longactivationsound
+	..()
+
+/obj/item/mecha_modkit/voice/nanotrasen
+	name = "mecha voice modification kit : Nanotrasen"
+	desc = "This modification kit updates a mech's onboard voice to Nanotrasen."
+	nominalsound = 'sound/mecha/nominalnano.ogg'
+	zoomsound = 'sound/mecha/imag_enhnano.ogg'
+	critdestrsound = 'sound/mecha/critdestrnano.ogg'
+	weapdestrsound = 'sound/mecha/weapdestrnano.ogg'
+	lowpowersound = 'sound/mecha/lowpowernano.ogg'
+	longactivationsound = 'sound/mecha/LongNanoActivation.ogg'
+
+/obj/item/mecha_modkit/voice/syndicate
+	name = "mecha voice modification kit : Syndicate"
+	desc = "This suspicious modification kit updates a mech's onboard voice to Syndicate."
+	origin_tech = "syndicate=1"
+	nominalsound = 'sound/mecha/nominalsyndi.ogg'
+	zoomsound = 'sound/mecha/imag_enhsyndi.ogg'
+	critdestrsound = 'sound/mecha/critdestrsyndi.ogg'
+	weapdestrsound = 'sound/mecha/weapdestrsyndi.ogg'
+	lowpowersound = 'sound/mecha/lowpowersyndi.ogg'
+	longactivationsound = 'sound/mecha/LongSyndiActivation.ogg'
+
+/obj/item/mecha_modkit/voice/honk
+	name = "mecha voice modification kit : Honk"
+	desc = "This modification kit updates a mech's onboard voice to Honk. Why?"
+	nominalsound = 'sound/items/bikehorn.ogg'
+	zoomsound = 'sound/items/bikehorn.ogg'
+	critdestrsound = 'sound/items/Airhorn2.ogg'
+	weapdestrsound = 'sound/items/Airhorn2.ogg'
+	lowpowersound = 'sound/items/Airhorn2.ogg'
+	longactivationsound = 'sound/items/bikehorn.ogg'
+
+/obj/item/mecha_modkit/voice/silent
+	name = "mecha voice modification kit : Silent"
+	desc = "This modification kit silences a mech's onboard voice."
+	nominalsound = null
+	zoomsound = null
+	critdestrsound = null
+	weapdestrsound = null
+	lowpowersound = null
+	longactivationsound = null
\ No newline at end of file
diff --git a/code/game/mecha/mecha_topic.dm b/code/game/mecha/mecha_topic.dm
index 41d4c3aa540..36269a11303 100644
--- a/code/game/mecha/mecha_topic.dm
+++ b/code/game/mecha/mecha_topic.dm
@@ -195,7 +195,7 @@
 						</head>
 						<body>
 						[add_req_access?"<a href='?src=[UID()];req_access=1;id_card=\ref[id_card];user=\ref[user]'>Edit operation keycodes</a>":null]
-						[maint_access?"<a href='?src=[UID()];maint_access=1;id_card=\ref[id_card];user=\ref[user]'>Initiate maintenance protocol</a>":null]
+						[maint_access?"<a href='?src=[UID()];maint_access=1;id_card=\ref[id_card];user=\ref[user]'>Initiate/Stop maintenance protocol</a>":null]
 						[(state>0) ?"<a href='?src=[UID()];set_internal_tank_valve=1;user=\ref[user]'>Set Cabin Air Pressure</a>":null]
 						</body>
 						</html>"}
@@ -317,9 +317,13 @@
 			if(state==0)
 				state = 1
 				to_chat(user, "The securing bolts are now exposed.")
+				if(occupant)
+					occupant.throw_alert("locked", /obj/screen/alert/mech_maintenance)
 			else if(state==1)
 				state = 0
 				to_chat(user, "The securing bolts are now hidden.")
+				if(occupant)
+					occupant.clear_alert("locked")
 			output_maintenance_dialog(afilter.getObj("id_card"),user)
 		return
 	if(href_list["set_internal_tank_valve"] && state >=1)
diff --git a/code/modules/research/designs/mechfabricator_designs.dm b/code/modules/research/designs/mechfabricator_designs.dm
index 315a2e70aa0..983323035f1 100644
--- a/code/modules/research/designs/mechfabricator_designs.dm
+++ b/code/modules/research/designs/mechfabricator_designs.dm
@@ -1185,3 +1185,54 @@
 	construction_time = 100
 	build_path = /obj/item/flash/synthetic
 	category = list("Misc")
+
+/datum/design/voice_standard
+	name = "Voice Modkit : Standard"
+	desc = "A modification kit that updates a mech's onboard voice to Standard."
+	id = "voice_standard"
+	build_type = MECHFAB
+	materials = list(MAT_METAL = 500)
+	construction_time = 50
+	build_path = /obj/item/mecha_modkit/voice
+	category = list("Misc")
+
+/datum/design/voice_nanotrasen
+	name = "Voice Modkit : Nanotrasen"
+	desc = "A modification kit that updates a mech's onboard voice to Nanotrasen."
+	id = "voice_nanotrasen"
+	build_type = MECHFAB
+	materials = list(MAT_METAL = 500)
+	construction_time = 50
+	build_path = /obj/item/mecha_modkit/voice/nanotrasen
+	category = list("Misc")
+
+/datum/design/voice_silent
+	name = "Voice Modkit : Silent"
+	desc = "A modification kit that silences a mech's onboard voice."
+	id = "voice_silent"
+	build_type = MECHFAB
+	materials = list(MAT_METAL = 500)
+	construction_time = 50
+	build_path = /obj/item/mecha_modkit/voice/silent
+	category = list("Misc")
+
+/datum/design/voice_honk
+	name = "Voice Modkit : Honk"
+	desc = "A modification kit that updates a mech's onboard voice to Honk. This is a terrible idea."
+	id = "voice_honk"
+	build_type = MECHFAB
+	materials = list(MAT_METAL = 400, MAT_BANANIUM = 100)
+	construction_time = 50
+	build_path = /obj/item/mecha_modkit/voice/honk
+	category = list("Misc")
+
+/datum/design/voice_syndicate
+	name = "Voice Modkit : Syndicate"
+	desc = "A modification kit that updates a mech's onboard voice to Syndicate."
+	id = "voice_syndicate"
+	build_type = MECHFAB
+	materials = list(MAT_METAL = 400, MAT_TITANIUM = 100)
+	req_tech = list("syndicate" = 2)
+	construction_time = 50
+	build_path = /obj/item/mecha_modkit/voice/syndicate
+	category = list("Misc")
diff --git a/paradise.dme b/paradise.dme
index dc78d020ad1..3d9f758719f 100644
--- a/paradise.dme
+++ b/paradise.dme
@@ -708,6 +708,7 @@
 #include "code\game\mecha\mecha_actions.dm"
 #include "code\game\mecha\mecha_construction_paths.dm"
 #include "code\game\mecha\mecha_control_console.dm"
+#include "code\game\mecha\mecha_modkit.dm"
 #include "code\game\mecha\mecha_parts.dm"
 #include "code\game\mecha\mecha_topic.dm"
 #include "code\game\mecha\mecha_wreckage.dm"