Penasumi no.5 series no.7 battery is made of zinc-manganese and chemical elements in black and copper. It belongs to no.5 battery with excellent performance and is produced in guangdong, China. Battery wholesale price is negotiable, 6o knots per piece, packing quantity no. 5 is 1200 knots/piece, packing quantity no. 7 is 2160 knots/piece, minimum batch quantity is 10 pieces per time. FIBA5 series 7 batteries are suitable for stationery, clocks and other electronic products.