






Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.
Desertcart purchases this item on your behalf and handles shipping, customs, and support to Macau.
🔋 Cut the drain, keep the power — Spartan Power Switch your battery’s best friend!
The Spartan Power Battery ON/Off Disconnect Switch is a heavy-duty, ignition-protected cutoff switch rated for 300 amps continuous current and compatible with 12V to 48V DC systems. Designed for RV, marine, and automotive use, it features a simple rotary knob for easy operation, robust copper contacts, and flexible panel mounting with included screws. Trusted by professionals and DIYers alike, it safeguards your battery by preventing unwanted drain and enduring high ignition surges.










| ASIN | B09WZF17KB |
| Actuator Type | Rotary |
| Best Sellers Rank | #30,499 in Automotive ( See Top 100 in Automotive ) #65 in Automotive Replacement Battery Switches |
| Brand Name | Spartan Power |
| Circuit Type | Single Circuit ON-OFF |
| Color | Red |
| Compatible Devices | RV, marine, and automotive devices requiring 12V to 48V DC power supply |
| Compatible with Vehicle Type | RV, Marine, Automotive |
| Connectivity Protocol | X-10 |
| Connector Type | Screws |
| Contact Material | Copper |
| Contact Type | Normally Open |
| Control Method | Touch |
| Control Type | Knob |
| Current Rating | 300 Amps |
| Customer Reviews | 4.6 4.6 out of 5 stars (343) |
| International Protection Rating | IP54 |
| Item Dimensions | 3.25 x 3.25 x 3.6 inches |
| Manufacturer | Spartan Power |
| Material Type | Copper |
| Model | SP-BS300A-RED |
| Mounting Type | Panel Mount |
| Number of Items | 1 |
| Number of Positions | 2 |
| Operation Mode | ON-OFF |
| Part Number | SP-BS300A-RED |
| Smart Home Compatibility | Not Smart Home Compatible |
| Switch Type | Kill Switch |
| Terminal | Marine |
| UPC | 810019984327 |
| Unit Count | 1.0 Count |
| Wattage | 14400 watts |
Trustpilot
1 week ago
2 months ago