the BAY Smart Remote Battery Disconnect Switch: Remote control operation
This smart battery disconnect relay is for the DIY car enthusiast who needs a reliable way to preserve their vehicle's battery during long storage or prevent parasitic drain. It offers peace of mind by ensuring your car starts when you need it, not just basic security.
Install it once and forget it—the pure copper relay and knife switch handle high currents without corrosion, so you can confidently leave your classic car or RV parked for months. You will appreciate the solid feel when you manually cut power, knowing it protects your battery from slow discharge. Compatible with 12V systems, this device integrates seamlessly into your setup for worry-free vehicle maintenance.
Features
- 12V DC compatible
- Pure copper relay
- Knife switch design
- Easy installation
- Remote control operation
General specs
- Brand: the BAY
- Seller: Joom
- ID: 68d347d6dbfbb1014fd01f65
- Voltage: 12 V
- Switch Type: Knife Switch
- Relay Material: Pure Copper
- First listed by seller: 11/9/25
If you are interested in more details, you can find full information on the seller's page.
Shipping options
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| Brand | the BAY | sugarberry | A Auto Parts Mall | Optimized General | DIY and Beyond | Fishine |
| Model | Set 02 | |||||
| Color | ||||||
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| Price | $37.22 | $33.30 | $121.01 | $95.74 | $34.85 | $118.42 |
| Seller | Joom | Joom | Joom | Joom | Joom | Joom |
| Update | Feb 15, 2026 | Feb 15, 2026 | Dec 8, 2025 | Feb 5, 2026 | Feb 15, 2026 | Feb 15, 2026 |
| Voltage | 12 V | 12V | 12V | 12V, 24V | 12V | |
| Application | Automotive, Off-road vehicles | Automobile, RV, ATV, Truck, Boat | ATV | RV, Off Road Vehicle, Boat, Yacht, Car | ||
| Type | Automatic charge switch | Double Battery Smart Isolator, Automatic Charging Relay | Dual Battery Isolator, Voltage Sensitive Relay | |||