For Panasonic Toughbook CF-52 Mk3 Mk1 Mk2 Mk4, Toughbook cf-31 mk1 mk2 mk3, Toughbook CF-33 MK1, Toughbook CF-19 Mk5. Use temperature protection NTC. Use insulation paper to isolate electrodes. Use fire protection glue paper and silica gel for safety features.
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