Our company is a professional manufacturer of various kinds of welding batteries & battery packs, the most popular items are 12V 23A & 27A and 9V 32A . We also handle other kinds of batteries including: Zinc Manganese(1.5v) SR Silver Oxide series battery CR Lithium Manganese series battery(3v)Nickel Hydrogen(1.2v) Nickel Cadmium series battery Lithium Ion series battery AA, AAA super durable & pollution free series battery.