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Features:
Prevents you from draining the starter battery.
Automatically combines two batteries when charging and isolates the two batteries when not charging.
Suitable To Install into Camper Vans, 4x4 cars, Leisure Vehicles & Marine Applications.
Not 70 Amp Cable As Per Some Other Similar Priced Kits.
No voltage drops compared to battery isolator diodes (0.6V).
Meets ISO8846 Ignition Protection, suitable for use in the engine room.
Robust Glass Fiber reinforced Nylon enclosure.
Built-in LED indication (ON when VSR engages).
Surface or panel mount options provide flexibility when installing.
Optional Storage Mode allows zero power consumption when the engine is off.
Specification:
Product type: Split Charge Relay 12V140A (Real-time Voltage Display)
Material: ABS+Metal+Nylon
Color: Black
Rating Voltage: DC 12V
Cut-in Voltage: DC 13.3V
Cut-out Voltage: DC 12.8V
Continuous Current: DC 100-125A
Intermittent Current: DC 140A
Power Consumption: 10mA (Standby)/ 330mA(Engage) / 0mA (Storage)
Terminal Studs|: M6(1/4'')
Waterproof Level: IP65
Product size: 8cm*8cm*7cm
Application:
For Car, RV, ATV, UTV, Boat, Marine
Package Included:
Isolator *1
Long screw *2
Short screw *2
Cold pressed terminal *1
Instructions *1
Note:
1.The color of the actual items may slightly different from the listing images due to different computer screen, thanks for your understanding.
2.This product is equipped with a detailed instruction manual. It is recommended that you consult the relevant contents before using it. If you still have other questions, we will be happy to answer them further.
3.Any damage during installation will not be refunded.
4.All dimension are measured by hand, Please allow 0.5-1 inch difference due to manual measurement.





CSPEED Smart Dual Battery Isolator 12V 140A Waterproof Digital Voltage Sensitive Relay VSR Switch For Car Camper UTV Boat Marine
$124.20
Sale price
$124.20
Regular price
$0.00
Description
SPECIFICATIONS
Brand Name: CNSPEED
Choice: yes
High-concerned chemical: none
Is It Charged: No
Item Height: 7
Item Length: 8
Item Weight: 0.25
Item Width: 8
Model Name: YC102898-BK
Origin: Mainland China
Product Type: Relays and accessories
feature 1: Smart Dual Battery Isolator Auto or Manual Control
feature 2: 12V 140A Voltage Sensitive Relay(VSR) with Digital Voltmeter
feature 3: For Car, RV, ATV, UTV, Boat, Marine
CSPEED Smart Dual Battery Isolator 12V 140A Voltage Sensitive Relay VSR With Digital Voltmeter For Car RV ATV Yacht Boat Marine
Features:
Prevents you from draining the starter battery.
Automatically combines two batteries when charging and isolates the two batteries when not charging.
Suitable To Install into Camper Vans, 4x4 cars, Leisure Vehicles & Marine Applications.
Not 70 Amp Cable As Per Some Other Similar Priced Kits.
No voltage drops compared to battery isolator diodes (0.6V).
Meets ISO8846 Ignition Protection, suitable for use in the engine room.
Robust Glass Fiber reinforced Nylon enclosure.
Built-in LED indication (ON when VSR engages).
Surface or panel mount options provide flexibility when installing.
Optional Storage Mode allows zero power consumption when the engine is off.
Specification:
Product type: Split Charge Relay 12V140A (Real-time Voltage Display)
Material: ABS+Metal+Nylon
Color: Black
Rating Voltage: DC 12V
Cut-in Voltage: DC 13.3V
Cut-out Voltage: DC 12.8V
Continuous Current: DC 100-125A
Intermittent Current: DC 140A
Power Consumption: 10mA (Standby)/ 330mA(Engage) / 0mA (Storage)
Terminal Studs|: M6(1/4'')
Waterproof Level: IP65
Product size: 8cm*8cm*7cm
Application:
For Car, RV, ATV, UTV, Boat, Marine
Package Included:
Isolator *1
Long screw *2
Short screw *2
Cold pressed terminal *1
Instructions *1
Note:
1.The color of the actual items may slightly different from the listing images due to different computer screen, thanks for your understanding.
2.This product is equipped with a detailed instruction manual. It is recommended that you consult the relevant contents before using it. If you still have other questions, we will be happy to answer them further.
3.Any damage during installation will not be refunded.
4.All dimension are measured by hand, Please allow 0.5-1 inch difference due to manual measurement.





Free Shipping Over $199
- Standard Shipping: Standard Shipping (12–18 Business Days)
- Express Shipping: Expedited Shipping (5–9 Business Days)
- Free Shipping: Orders over $199 qualify automatically
- Tracking: Full tracking number provided for all orders
30-Day Return Policy
- Returns: 30-day hassle-free return window
- Condition: Items must be unused and in original packaging
- Refund: Full refund processed within 3-5 business days
Why Choose Us?
- Factory Direct: ISO/TS 16949 certified manufacturer
- Quality: 100% electrical continuity tested before shipment
- Experience: 15+ years in automotive connector industry
- Support: Professional technical support available
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