3CZY 140A Smart Dual Battery Isolator Relay: Voltage sensitive relay
Why you'll love it:
- Say goodbye to the horror of a drained main battery—this thing keeps it safe and sound.
- It's like having a personal assistant for your batteries, handling the charging so you don't have to.
- Installation? Easier than figuring out why your GPS took you on a scenic route.
- Built tough to laugh in the face of rough weather and rough roads alike.
General specs
- Brand: 3CZY
- Model: 140A
- Seller: Joom
- Compatibility: Automobiles, RVs, Off-road vehicles, Yachts
- Type: Dual battery isolator
- Voltage Sensitivity: Yes
If you are interested in more details, you can find full information on the seller's page.
View on seller's site
#publicidad
$167.91
Last price update: 7/11/25
Available to order
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Delivery to 
United States
United States
Unavailable
Video Reviews
Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
3CZY 140A Voltage sensitive relay
|
AINYSZIN Automotive Parts VSR Voltage sensitive relay
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Dual Battery Isolator 150A capacity
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VEVOR OT029
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VEVOR VSR002
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Auto RV Smart Dual Battery Charging Switch Isolator 12V 24V compatibility
|
|
| Brand | 3CZY | AINYSZIN Automotive Parts | 3CZY | VEVOR | VEVOR | 3CZY |
| Model | 140A | VSR | OT029 | VSR002 | ||
| Color | ||||||
| Rating |
|
|
|
|
|
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| Price | $167.91 | $22.29 | $132.02 | $53.99 | $22.99 | $31.52 |
| Seller | Joom | Joom | Joom | Vevor | Vevor | Joom |
| Update | July 12, 2025 | July 5, 2025 | July 12, 2025 | July 12, 2025 | July 12, 2025 | July 12, 2025 |
| Compatibility | Automobiles, RVs, Off-road vehicles, Yachts | RV, off-road vehicles | 12V, 24V | |||
| Type | Dual battery isolator | Voltage Sensitive Relay | LED smart flashing relay | Voltage sensitive relay | ||
Smart Dual Battery Isolator Relay
$167.91
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