Smith Auto Electric
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Wirthco Battery Disconnects

Perfect for rv's, cars, boats, race cars, street rods, custom cars, or any vehicle that sits for long periods of time.

20158 

Battery Quick Disconnect Caps

• Fits top post batteries.
• Manufactured of copper-zinc plated steel.
• Fits side post batteries with standard post adapters.
• Attach to battery terminal by clamping down on cap.
• Lift cap to remove from battery terminal.
• RoHS Compliant.
• Fits 4 to 6 gauge wires.
• Rated 500 amps continuous, 800 amps surge at 12 volts.
• Color-coded caps: red and black.
• Sold as a pair.

$24.13

20314

Water-Resistant Master Switch

• Excellent for marine or automotive use.
• Rated 100 amps continuous, 1000 amps surge, at 12 volts.
• Rated 50 amps continuous, 500 amps surge, at 24 volts
• 2-1/4" diameter x 2-1/2" deep (1-1/4" deep behind panel). Two 3/16" diameter mounting holes.

$21.71

20308

20308

Top Mount Battery Switch

• Easy to install on negative battery post.
• Battery is disconnected by unscrewing the knob a few turns, and reconnected by tightening the knob.
• Knob can be removed completely to deter theft.
• Compact size fits most battery compartments.
• Rated 500 amps surge and 125 amps continuous at 12 volts

$12.58

20310

20310

Side Mount Battery Switch With Fused Bypass

• Easy to install on negative battery post.
• Battery is disconnected by unscrewing the knob a few turns, and reconnected by tightening the knob.
• Knob can be removed completely to deter theft.
• Compact size fits most battery compartments.
• Rated 500 amps surge and 125 amps continuous at 12 volts
• 15 amp fused bypass that maintains computer settings, radio, clock, etc., while battery is disconnected

$29.02

20109

20109

For Top Post Batteries, Low Profile Horizontal Operation with Wing Nut

• Our patented Battery Doctor® switches are easy to install and simple to use. All of our knife-blade switches:
• Mount on negative battery post.
• Disconnect batteries quickly and easily.
• Stop unwanted battery drain.
• Help prevent theft, tampering and unauthorized use.
• Improve safety and security of stored vehicles, RVs and seasonal equipment.
• Are rated 250 amps continuous and 750 amps surge at 12 volts.

$34.47

20148

20148

For Top Post Batteries, Low Vertical Operation with Wing Nut

• Our patented Battery Doctor® switches are easy to install and simple to use. All of our knife-blade switches:
• Mount on negative battery post.
• Disconnect batteries quickly and easily.
• Stop unwanted battery drain.
• Help prevent theft, tampering and unauthorized use.
• Improve safety and security of stored vehicles, RVs and seasonal equipment.
• Are rated 250 amps continuous and 750 amps surge at 12 volts.

$34.47

Items markedare still available to order, but are subject to factory lead times before shipment can be delivered.
If you have any questions please call 1-800-822-0819 or e-mail