diff --git a/technic/helpers.lua b/technic/helpers.lua
index 663a66a..624a8a7 100644
--- a/technic/helpers.lua
+++ b/technic/helpers.lua
@@ -14,3 +14,14 @@ function technic.swap_node(pos, name)
 	return node.name
 end
 
+-- Fully charge RE chargeable item.
+-- Must be defined early to reference in item definitions.
+function technic.refill_RE_charge(stack)
+	local max_charge = technic.power_tools[stack:get_name()]
+	if not max_charge then return stack end
+	technic.set_RE_wear(stack, max_charge, max_charge)
+	local meta = minetest.deserialize(stack:get_metadata()) or {}
+	meta.charge = max_charge
+	stack:set_metadata(minetest.serialize(meta))
+	return stack
+end
diff --git a/technic/items.lua b/technic/items.lua
index 9149460..d62642c 100644
--- a/technic/items.lua
+++ b/technic/items.lua
@@ -33,6 +33,7 @@ minetest.register_tool("technic:blue_energy_crystal", {
 		"technic_diamond_block_blue.png",
 		"technic_diamond_block_blue.png"),
 	wear_represents = "technic_RE_charge",
+	on_refill = technic.refill_RE_charge,
 	tool_capabilities = {
 		max_drop_level = 0,
 		groupcaps = {
@@ -48,6 +49,7 @@ minetest.register_tool("technic:green_energy_crystal", {
 		"technic_diamond_block_green.png",
 		"technic_diamond_block_green.png"),
 	wear_represents = "technic_RE_charge",
+	on_refill = technic.refill_RE_charge,
 	tool_capabilities = {
 		max_drop_level = 0,
 		groupcaps = {
@@ -63,6 +65,7 @@ minetest.register_tool("technic:red_energy_crystal", {
 		"technic_diamond_block_red.png",
 		"technic_diamond_block_red.png"),
 	wear_represents = "technic_RE_charge",
+	on_refill = technic.refill_RE_charge,
 	tool_capabilities = {
 		max_drop_level = 0,
 		groupcaps = {
diff --git a/technic/machines/register/battery_box.lua b/technic/machines/register/battery_box.lua
index 8efcb15..3b5728b 100644
--- a/technic/machines/register/battery_box.lua
+++ b/technic/machines/register/battery_box.lua
@@ -19,6 +19,7 @@ minetest.register_tool("technic:battery", {
 	description = S("RE Battery"),
 	inventory_image = "technic_battery.png",
 	wear_represents = "technic_RE_charge",
+	on_refill = technic.refill_RE_charge,
 	tool_capabilities = {
 		charge = 0,
 		max_drop_level = 0,
diff --git a/technic/tools/cans.lua b/technic/tools/cans.lua
index ab92811..737443e 100644
--- a/technic/tools/cans.lua
+++ b/technic/tools/cans.lua
@@ -81,6 +81,11 @@ minetest.register_tool("technic:water_can", {
 			return itemstack
 		end		
 	end,
+	on_refill = function(stack)
+		stack:set_metadata(tostring(water_can_max_load))
+		set_can_wear(stack, water_can_max_load, water_can_max_load)
+		return stack
+	end,
 })
 
 minetest.register_tool("technic:lava_can", {
@@ -131,5 +136,10 @@ minetest.register_tool("technic:lava_can", {
 			return itemstack
 		end
 	end,
+	on_refill = function(stack)
+		stack:set_metadata(tostring(lava_can_max_load))
+		set_can_wear(stack, lava_can_max_load, lava_can_max_load)
+		return stack
+	end,
 })
 
diff --git a/technic/tools/chainsaw.lua b/technic/tools/chainsaw.lua
index 273e36d..c8f6d37 100644
--- a/technic/tools/chainsaw.lua
+++ b/technic/tools/chainsaw.lua
@@ -256,6 +256,7 @@ minetest.register_tool("technic:chainsaw", {
 	inventory_image = "technic_chainsaw.png",
 	stack_max = 1,
 	wear_represents = "technic_RE_charge",
+	on_refill = technic.refill_RE_charge,
 	on_use = function(itemstack, user, pointed_thing)
 		if pointed_thing.type ~= "node" then
 			return itemstack
diff --git a/technic/tools/flashlight.lua b/technic/tools/flashlight.lua
index 7beac5e..ff49c0a 100644
--- a/technic/tools/flashlight.lua
+++ b/technic/tools/flashlight.lua
@@ -14,6 +14,7 @@ minetest.register_tool("technic:flashlight", {
 	inventory_image = "technic_flashlight.png",
 	stack_max = 1,
 	wear_represents = "technic_RE_charge",
+	on_refill = technic.refill_RE_charge,
 })
 
 minetest.register_craft({
diff --git a/technic/tools/mining_drill.lua b/technic/tools/mining_drill.lua
index 2a7cfe7..202123d 100644
--- a/technic/tools/mining_drill.lua
+++ b/technic/tools/mining_drill.lua
@@ -327,6 +327,7 @@ minetest.register_tool("technic:mining_drill", {
 	inventory_image = "technic_mining_drill.png",
 	stack_max = 1,
 	wear_represents = "technic_RE_charge",
+	on_refill = technic.refill_RE_charge,
 	on_use = function(itemstack, user, pointed_thing)
 		if pointed_thing.type ~= "node" then
 			return itemstack
@@ -351,6 +352,7 @@ minetest.register_tool("technic:mining_drill_mk2", {
 	description = S("Mining Drill Mk%d"):format(2),
 	inventory_image = "technic_mining_drill_mk2.png",
 	wear_represents = "technic_RE_charge",
+	on_refill = technic.refill_RE_charge,
 	on_use = function(itemstack, user, pointed_thing)
 		mining_drill_mk2_handler(itemstack, user, pointed_thing)
 		return itemstack
@@ -366,6 +368,7 @@ for i = 1, 4 do
 		inventory_image = "technic_mining_drill_mk2.png^technic_tool_mode"..i..".png",
 		wield_image = "technic_mining_drill_mk2.png",
 		wear_represents = "technic_RE_charge",
+		on_refill = technic.refill_RE_charge,
 		groups = {not_in_creative_inventory=1},
 		on_use = function(itemstack, user, pointed_thing)
 			mining_drill_mk2_handler(itemstack, user, pointed_thing)
@@ -378,6 +381,7 @@ minetest.register_tool("technic:mining_drill_mk3", {
 	description = S("Mining Drill Mk%d"):format(3),
 	inventory_image = "technic_mining_drill_mk3.png",
 	wear_represents = "technic_RE_charge",
+	on_refill = technic.refill_RE_charge,
 	on_use = function(itemstack, user, pointed_thing)
 	mining_drill_mk3_handler(itemstack,user,pointed_thing)
 	return itemstack
@@ -393,6 +397,7 @@ for i=1,5,1 do
 		inventory_image = "technic_mining_drill_mk3.png^technic_tool_mode"..i..".png",
 		wield_image = "technic_mining_drill_mk3.png",
 		wear_represents = "technic_RE_charge",
+		on_refill = technic.refill_RE_charge,
 		groups = {not_in_creative_inventory=1},
 		on_use = function(itemstack, user, pointed_thing)
 		mining_drill_mk3_handler(itemstack,user,pointed_thing)
diff --git a/technic/tools/mining_lasers.lua b/technic/tools/mining_lasers.lua
index c6ba57f..50df526 100644
--- a/technic/tools/mining_lasers.lua
+++ b/technic/tools/mining_lasers.lua
@@ -169,6 +169,7 @@ for _, m in pairs(mining_lasers_list) do
 		inventory_image = "technic_mining_laser_mk"..m[1]..".png",
 		stack_max = 1,
 		wear_represents = "technic_RE_charge",
+		on_refill = technic.refill_RE_charge,
 		on_use = function(itemstack, user)
 			local meta = minetest.deserialize(itemstack:get_metadata())
 			if not meta or not meta.charge then
diff --git a/technic/tools/sonic_screwdriver.lua b/technic/tools/sonic_screwdriver.lua
index cc4edab..0a9b3a9 100644
--- a/technic/tools/sonic_screwdriver.lua
+++ b/technic/tools/sonic_screwdriver.lua
@@ -8,6 +8,7 @@ minetest.register_tool("technic:sonic_screwdriver", {
 	description = S("Sonic Screwdriver"),
 	inventory_image = "technic_sonic_screwdriver.png",
 	wear_represents = "technic_RE_charge",
+	on_refill = technic.refill_RE_charge,
 	on_use = function(itemstack, user, pointed_thing)
 		-- Must be pointing to facedir applicable node
 		if pointed_thing.type ~= "node" then