12V 140A Voltage Sensitive Relay

12V 140A Voltage Sensitive Repay, Dual Battery Isolator

Autoscien 12V 140A Voltage Sensitive relay offers you an amazing unit which is automatic separation and connection of the main (starting) battery in parallel with auxiliary battery according to the level of voltage of the main battery. This 12V 140A Dual Battery kits will constantly scan the main battery voltage level for connection and charging of the auxiliary battery to the main battery for charging. 

Specification

Why do you need a voltege sensitive relay?

The Voltage Sensing Relay (VSR) allows the charging of a second battery bank from any single charging source. When the voltage on the charged bank rises sufficiently, the VSR engages allowing the 2nd battery bank to charge. When charging stops and voltage falls, the VSR automatically isolates the battery banks, ensuring that engine start batteries are kept fully charged.

How does it work?

1)  When the engine is started and the voltage of start battery reaches 13.3 volts, the VSR engages,allowing two battery banks (start and house) to be charged simultaneously.The indicator (LED) is on.

2)  When the voltage of start battery drops below 12.8 volts (eg the engine is stopped), the VSR disengages, separats the batteries. The indicator (LED) is off. It can protect your start battery from being drained by over loads on house battery.

3)  Dual sensing: It allows the device to sense the voltage of both batteries that it is connected between. If either battery is receiving a charge the VSR will activate paralleling the two battery banks. It is designed for situations where a battery charger or second charging source is used into the house battery.

Wiring Diagram

Our Services

1 OEM & ODM service 

2 100% quality guarantee 

3 24 hours service 

4 Technical support & warranty 

5 Documents support 

6 Customs clearance assistance

FAQ

Q: Are you manufacturer or trade Company? 

A: We are a premium manufacturer both in direct investment and joint ventures for Automotive Electrics.

Q: Where is your factory located? How can I visit there? 

A: Our factory is located in Kunshan City next to Shanghai. It takes about 50 minutes from Kunshan to Shanghai Hongqiao International Airport. All our clients , from home or abroad, are warmly welcome to visit us!

Q: Could I put my own logo on the product i purchased?

A: Yes, customers' logo can be printed by laser printing, transfer printing, silk printing and carving for free.

Q: Could I buy 1pc sample for evaluation? 

A: We are honored to offer you samples. Free samples will be available if less than USD10.00, customers just need to pay the freight cost.

Q: Can you produce according to the samples? 

A: Yes, we can produce by your samples or technical drawings. We can develop the molds and fixtures on the items and the quantity of your order.

Q: How do you control the products' quality? Do you test all your goods before delivery? 

A: Quality is priority. We always attach great importance to quality controlling from the very beginning to the very end. Yes, we have 100% test before delivery

Q: What’s about your payment terms? 

A: T/T 30% deposit and 70% against document. We'll show you the photos of the products and packages before you pay the balance.

Q: What is your lead time for your goods? 

A: Usually it takes about 15-25 working days for production.