Current fuse, temperature fuse, SMD fuse manufacturer / supplier in China, offering Auto 12-48V Battery Isolator Switch Easily Isolate Power with The 275 AMP on-off Battery Switch for Car Marine Boat RV, Truck Car 300A Battery Terminal Post Converters Disconnect Shut off Switch Battery Disconnection Cutoff Switch, 300A 12-48V DC Positive Top Post Battery Disconnect Switch Master Power Battery Kill Switch with Adjustable Clamp for RV Marine and so on.