A customs duty or due is the indirect tax levied on the import or export of goods in international trade. In economic sense, a duty is also a kind of consumption tax.A duty levied on goods being imported is referred to as an import duty.Similarly, a duty levied on exports is called an export duty.A tariff, which is actually a list of commodities along with the leviable rate (amount) of customs duty, is popularly referred to as a customs duty. customs duty or due is the indirect tax levied on the import or export of goods in international trade. In economic sense, a duty is also a kind of consumption tax.
1 A variety of substances are used in lithium batteries, but a common combination is a lithium cobalt oxide cathode and a carbon anode. 2  Lead-acid battery (rechargeable) : This is the chemistry used in a typical car battery. Zinc-carbon battery: The zinc-carbon chemistry is common in many inexpensive AAA, AA, C and D dry cell batteries. 2  The anode is zinc, the cathode is manganese dioxide, and the electrolyte is ammonium chloride or zinc chloride. 3  Alkaline battery: This chemistry is also common in AA, C and D dry cell batteries.
In our increasingly mobile world, batteries serve quite a purpose. They power our cars, portable electronics and items we use every day. Batteries can even be made out of vegetables. Batteries are identified by the product they're used for (car battery, cell phone battery, etc.) or its size (9V, button cell).But for scientific purposes, batteries' names are based on the metals they contain.atteries are identified by the product they're used for (car battery, cell phone battery, etc.) or its size (9V, button cell). But for scientific purposes, batteries' names are based on the metals they contain.