Macht JIS (Japanese Industrial Standard) batteries are specially designed for cars of Asian origin, mainly Japanese and Korean. The construction of these batteries is based on Punched Grid Technology which leads to improved performance. The grids manufactured using this technology have a good grain structure due to the use of laminated sheets, have a higher mechanical durability and a higher surface corrosion. The increase in the surface corrosion is necessary in order to increase electrical conductivity. Macht JIS batteries are highly reliable, even when used under extreme temperatures.
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