High-quality heat-conducting silicone film quickly dissipates heat High quality low internal resistance MOS tube Can break the circuit to protect the battery cell current, no false mark Can be connected to GPS, weak power switch, temperature control protection Different batches may cause differences in product appearance, text, and color, which will not affect the use Type:50A Colour:Blue Material:PCB+Metal Size:8.65x5.5x1.6cm Package Contents: 1 * Protection board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.