






🔋 Take charge, cut the drain, and power smarter with Spartan Power!
The Spartan Power 300A Battery On/Off Disconnect Switch is a heavy-duty, ignition-protected cut-off switch designed for 12V to 48V DC systems. It supports a continuous current of 300A, a crank rating of 900A for 30 seconds, and 500A for 5 minutes, ensuring reliable protection during engine starts. Featuring a simple two-position knob and versatile mounting options with included screws, it’s ideal for RVs, marine, and automotive batteries to prevent power drain and extend battery life.






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