diff --git a/LICENSE.md b/LICENSE.md
index f291ccb..bd7bdcd 100644
--- a/LICENSE.md
+++ b/LICENSE.md
@@ -1,6 +1,6 @@
 ## License
 
-Except for the exceptions stated below, all code is licensed under the [MIT License](LICENSE.md#mit-license), with all other assets licensed under the [CC BY-SA 4.0 License](LICENSE.md#cc-by-sa-40-license). 
+Except for the exceptions stated below, all code is licensed under the [MIT License](LICENSE.md#mit-license), with textures licensed under the [CC BY-SA 4.0 License](LICENSE.md#cc-by-sa-40-license). 
 
 ## Exceptions
 
diff --git a/README.md b/README.md
index a9a85df..3eab897 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # powerbanks
 
 [![Build Status](https://travis-ci.org/OgelGames/powerbanks.svg?branch=master)](https://travis-ci.org/OgelGames/powerbanks)
-[![License](https://img.shields.io/badge/License-MIT%20and%20CC%20BY--SA%204.0-brightgreen.svg)](LICENSE.md)
+[![License](https://img.shields.io/badge/License-MIT%20and%20CC%20BY--SA%204.0-green.svg)](LICENSE.md)
 
 ## Table of Contents
 
@@ -23,13 +23,13 @@ This mod adds portable powerbanks used to charge technic tools.
 
 - **Fully portable** - charge will remain no matter how many times you place and pick it up!
 - **Self-protected** - no need to worry about leaving your powerbank while it's charging your tools, only you can pick it up!
-- **Fast charging** - each version charges faster than its technic battery equivalent.
+- **Fast charging** - each version charges faster than its technic battery equivalent (LV, MV, HV).
 - **Multiple charging slots** - powerbanks can charge more than one tool at once! (except for Mk1)
 
 ## Usage
 
 1. Obtain a powerbank (obviously :P).
-2. Charge the powerbank in a technic battery.
+2. Charge the powerbank.
 
 ![Charging a Powerbank](screenshots/charging.png?raw=true "Charging a Powerbank")
 
@@ -74,7 +74,7 @@ Currently there are three different powerbanks:
 
 ## Dependencies
 
-Currently this mod only depends on the [technic](https://github.com/minetest-mods/technic) mod.
+Currently this mod only depends on the default and [technic](https://github.com/minetest-mods/technic) mods.
 
 ## Installation
 
@@ -86,4 +86,4 @@ To install this mod, simply download it using one of the methods below, and plac
 
 ## License
 
-Except for the exceptions stated in [LICENSE.md](LICENSE.md#exceptions), all code is licensed under the [MIT License](LICENSE.md#mit-license), with all other assets licensed under the [CC BY-SA 4.0 License](LICENSE.md#cc-by-sa-40-license).
+Except for the exceptions stated in [LICENSE.md](LICENSE.md#exceptions), all code is licensed under the [MIT License](LICENSE.md#mit-license), with textures licensed under the [CC BY-SA 4.0 License](LICENSE.md#cc-by-sa-40-license).
diff --git a/init.lua b/init.lua
index a70fb14..949765c 100644
--- a/init.lua
+++ b/init.lua
@@ -14,10 +14,7 @@ end
 
 local function is_chargeable(stack)
 	local item_name = stack:get_name()
-	if not technic.power_tools[item_name] then
-		return false
-	end
-	if item_name:find("powerbanks:powerbank") then
+	if (not technic.power_tools[item_name]) or item_name:find("powerbanks:powerbank") then
 		return false
 	end
 	return true
@@ -173,6 +170,8 @@ local function register_powerbank(data)
 
 			update_infotext(pos, false, data)
 			update_formspec(pos, itemstack_meta.charge, data)
+
+			minetest.sound_play({name = "default_place_node_hard"}, {pos = pos})
 		end,
 		on_metadata_inventory_put = function(pos, listname, index, stack, player)
 			local timer = minetest.get_node_timer(pos)
@@ -212,6 +211,7 @@ local function register_powerbank(data)
 				minetest.add_item(pos, item)
 			end
 
+			minetest.sound_play({name = "default_dug_node"}, {pos = pos})
 			minetest.remove_node(pos)
 		end
 	})
diff --git a/mod.conf b/mod.conf
index 802b614..ed310f0 100644
--- a/mod.conf
+++ b/mod.conf
@@ -1,3 +1,3 @@
 name = powerbanks
 description = Adds portable powerbanks used to charge technic tools
-depends = technic
+depends = default, technic