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🔋 Keep your dual batteries in perfect harmony—never get stranded again!
The Keenso Voltage Sensitive Relay is a 12V, 140A dual battery isolator designed for professional-grade power management in vehicles and solar systems. Featuring zero voltage loss, flexible mounting options, and a durable fiberglass reinforced nylon build, it ensures reliable automatic battery isolation and charging. Ideal for trucks, boats, RVs, and more, it guarantees your secondary battery stays charged without draining your starter battery.



| ASIN | B07H9YTL86 |
| Best Sellers Rank | 418,763 in Automotive ( See Top 100 in Automotive ) 1,721 in Car Relays |
| Brand | Keenso |
| Coil Voltage | 12 Volts |
| Connector Type | Screw |
| Contact Current Rating | 140 Amps |
| Contact Material | Copper |
| Contact Type | Normally Open |
| Country Of Origin | China |
| Current Rating | 125 Amps |
| Customer Reviews | 4.4 4.4 out of 5 stars (80) |
| Item Weight | 231 g |
| Manufacturer | Keenso |
| Manufacturer Part Number | Keenso3qbp5t80ug |
| Maximum Switching Voltage | 12 Volts |
| Model Number | Keenso3qbp5t80ug |
| Mounting Type | Surface Mount |
| Number of Terminals | 3 |
| Operation Mode | Automatic |
| Specification Met | CE IP67 |
| UPC | 792117030956 |
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