We use same basic technology as Japan factory which technology is trusted by car makers.
Panasonic uses the "Burst Prevention Vent Plug" for all MF Batteries, which can prevent bursts resulting from an external spark.
Panasonic can control to fluid loss due to the "Special Filter" and "Special Sticker" as possible as we can.
Panasonic develop Silver Alloy technology to strengthen battery for higher temperature.
Panasonic develop the MF battery which is suitable for commercial use.