DIY and Beyond Automatic Charging Relay: 12V 140A
For off-road enthusiasts and RV owners who need reliable power management, this Double Battery Smart Isolator ensures your vehicle starts every time. It’s perfect for keeping your main battery charged while powering accessories like winches or fridges without draining it.
Our unique angle goes beyond basic charging: this isolator acts as a silent guardian for your adventures. The automatic relay engages seamlessly when the engine runs, so you never worry about a dead battery during a remote trip. You’ll notice the 140A capacity handles heavy loads smoothly, preventing voltage drops that can stall your gear.
With Alexa compatibility for smart monitoring, you can check battery status from your phone. The two-way audio feature lets you hear your engine’s health or get alerts, adding a layer of home security for your mobile setup. This tool connects you to your vehicle’s power, giving peace of mind on the road.
Features
- Double Battery Smart Isolator
- For ATV
- 12V 140A
General specs
- Brand: DIY and Beyond
- Seller: Joom
- ID: 69130f0041e5b801c33b915d
- Type: Double Battery Smart Isolator, Automatic Charging Relay
- Voltage: 12V
- Application: ATV
- Current Rating: 140A
- First listed by seller: 12/10/25
If you are interested in more details, you can find full information on the seller's page.
Shipping options
United States
Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
Automatic Charging Relay 12V 140A
|
VEVOR VSR002
|
VEVOR OT029
|
Renogy RBC40D1S Two Charging Options for maximum efficiency
|
1 Channel Relay Switch Board 5V Relay Module with Optocoupler Isolation
|
Car Cigarette Lighter Socket To Battery Alligator Clip Connector 12V/24V compatibility
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| Brand | DIY and Beyond | VEVOR | VEVOR | Renogy | ||
| Model | VSR002 | OT029 | RBC40D1S | |||
| Color | ||||||
| Rating |
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|
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| Price | $33.51 | $21.90 | $53.99 | $199.99 | $6.99 | $12.70 |
| Seller | Joom | Vevor | Vevor | Amazon | Amazon | Gshopper |
| Update | December 12, 2025 | September 26, 2025 | August 16, 2025 | December 6, 2025 | December 6, 2025 | July 25, 2024 |
