3CZY Auto RV Smart Dual Battery Charging Switch Isolator: 12V 24V compatibility
Ever been stuck with a dead battery because your RV or vehicle decided to go on a power diet? The Auto RV Smart Dual Battery Charging Switch Isolator is here to save the day—no more guessing games with your battery life. It's got this nifty voltage sensitive relay that plays traffic cop, directing power between your main and auxiliary batteries based on who's hungry (or full). Whether you're rocking a 12V or 24V system, this little gadget fits right in, making it a no-brainer for anyone with dual batteries. And let's not forget, it's built like a tank, so it'll stick around longer than that questionable leftover in your fridge. Seriously, if you love your auto or RV, this isolator is basically your new best friend.
Features
- Voltage sensitive relay
- Dual battery charging
- Auto RV use
- Smart isolator technology
- 12V 24V compatibility
General specs
- Brand: 3CZY
- Seller: Joom
- ID: 6863fe1bcd46550139bdc281
- Compatibility: 12V, 24V
- Type: Voltage sensitive relay
- Application: Auto, RV
- Function: Dual battery charging, Smart isolator
- First listed by seller: 7/11/25
If you are interested in more details, you can find full information on the seller's page.
Price History for seller Joom
| Date | Price |
|---|---|
| 11/15/25 | $37.48 |
| 7/11/25 | $30.93 |
Shipping options
United States
Video Reviews
Comparison with similar products
| This item | Recommendations | |||||
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Auto RV Smart Dual Battery Charging Switch Isolator 12V 24V compatibility
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| Brand | 3CZY | VEVOR | VEVOR | Renogy | ||
| Model | OT029 | VSR002 | RBC40D1S | |||
| Color | ||||||
| Rating |
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| Price | $37.48 | $53.99 | $21.90 | $12.70 | $199.99 | $5.99 |
| Seller | Joom | Vevor | Vevor | Gshopper | Amazon | Gshopper |
| Update | December 6, 2025 | August 16, 2025 | September 26, 2025 | July 25, 2024 | December 6, 2025 | July 25, 2024 |
