Describe item power storage in guide

guide.lua

@@ -1338,6 +1338,81 @@ local pages={
 		}
 	},
 
+	{
+		name="itemPowerStorage",
+		title=S("Item power storage"),
+		icon="industrialtest:re_battery",
+		content={
+			[[
+				<big>||Item power storage||</big>
+				<left>
+					||There are items which purpose is solely to store power in them. Those are following:||
+				</left>
+				<left>
+					||<item name="industrialtest:re_battery" height="{{ITEM_HEIGHT}}"> <b>RE-Battery</b>||
+				</left>
+			]],
+			createMachineInformationTable({
+				{
+					name="voltage",
+					value="LV"
+				},
+				{
+					name="powerCapacity",
+					value=string.format("%d EU",industrialtest.REBattery.capacity)
+				}
+			},S("RE-Battery")),
+			[[
+				<mono></mono>
+				<left>
+					||<item name="industrialtest:advanced_re_battery" height="{{ITEM_HEIGHT}}"> <b>Advanced RE-Battery</b>||
+				</left>
+			]],
+			createMachineInformationTable({
+				{
+					name="voltage",
+					value="MV"
+				},
+				{
+					name="powerCapacity",
+					value=string.format("%d EU",industrialtest.AdvancedREBattery.capacity)
+				}
+			},S("Advanced RE-Battery"),2),
+			[[
+				<mono></mono>
+				<left>
+					||<item name="industrialtest:energy_crystal" height="{{ITEM_HEIGHT}}"> <b>Energy Crystal</b>||
+				</left>
+			]],
+			createMachineInformationTable({
+				{
+					name="voltage",
+					value="HV"
+				},
+				{
+					name="powerCapacity",
+					value=string.format("%d EU",industrialtest.EnergyCrystal.capacity)
+				}
+			},S("Energy Crystal"),3),
+			[[
+				<mono></mono>
+				<left>
+					||<item name="industrialtest:lapotron_crystal" height="{{ITEM_HEIGHT}}"> <b>Lapotron Crystal</b>||
+				</left>
+			]],
+			createMachineInformationTable({
+				{
+					name="voltage",
+					value="EV"
+				},
+				{
+					name="powerCapacity",
+					value=string.format("%d EU",industrialtest.LapotronCrystal.capacity)
+				}
+			},S("Lapotron Crystal"),4)
+		}
+	},
+
 	{
 		name="jetpacks",
 		title=S("Jetpacks"),