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True smart battery isolator versus proline isolator install#
True smart battery isolator versus proline isolator manual#
True smart battery isolator versus proline isolator download#

No need to bypass existing alternator wiring. This system eliminates the possibility of draining the start battery and protects sensitive electronic equipment powered from the house battery from harmful engine start up spikes.Īdvantages of fitting a VSR over conventional charge (diode isolators): When the voltage drops below 12.8 volts (eg the engine is stopped), the VSR disengages, separating the batteries. When the engine is started and the start battery reaches 13.7 volts, the VSR engages, allowing two battery banks (start and house) to be charged simultaneously.

The Voltage Sensitive Relay (VSR) allows two batteries to be charged at the same time. This information is direct from the BEP website: In terms of ACR's/VCR's I would look at offerings from BEP, Blue Sea and Yandina: Your alternator will adjust its amp output based on the combined states of charge of the batteries. Assuming they are both of the same chemistry, a battery with a higher state of charge will have a higher resistance than compared to a battery in a lower state of charge. With a ACR/VCR it is the batteries individual internal resistance that simply determines the acceptance charge by each of the batteries from the charging source when in a "switched or combined state. To get preferential charge treatment you would need something like a Xantrex Echo Charge which is basically a DC charger that hooks up to your house battery to charge the start battery. My understanding is that a VSR or ACR electrically combines the batteries based on preset voltage protocols - much like manually switch to "both" or "combine" on your battery switch.Īn ACR/VSR does not preferentially charge one battery over another as when in a combined state (usually when the motor is running but subject to the preset voltage protocols) the charging source simply now sees the batteries as one large battery as they as "switched" together.

True smart battery isolator versus proline isolator manual#

Next question is, is the VSR a smarter approach vs the manual isolator? Sorry if this seems a silly question, but the answer is not obvious to me! "When the voltage drops to 12.8 volts, the relay isolates the two batteries leaving the cranking battery with sufficient power to start the vehicle, while the auxiliary battery powers the accessories."ĭoes this mean that one battery is dedicated to the engine, and the other to the electronics and all the VSR does is ensures both batteries are charged? They state in the product description though this: However I am stuck on trying to picture how the VSR actually works. I like the idea of the VSR, set and forget is the best method. I'm stuck on the decision in regards to what type of isolator to get, VSR or manual. But from previous threads this seemed the best combo.

I am planning on setting up a dual battery system, one century MP720 for my electronics and a cracking battery for my engine.

True smart battery isolator versus proline isolator download#

To order, contact REDARC directly or download the custom isolator order form here.First, I have searched the forum for other threads, but couldn't find something just about isolators with my question. On/off voltages between 9 and 15 volts on 12 volt models or 18 and 30 volts on 24 volt models.

Set your own safe voltage for operation of loads on cars and trucks whilst the engine is running, preventing accidental damage to the battery by ensuring the loads are isolated when the ignition is turned off.

Provide custom voltage protection to a battery during normal vehicle operation and isolate loads with ignition off by using a programmed trigger function.

For example, turning off non-essential lights and other equipment at 12.2 volts, leaving capacity in the battery to maintain a fridge or critical medical device Isolate non-critical loads at a specific voltage, allowing reserve capacity for critical loads.

Charge back to start battery from the auxiliary battery solar system, preventing discharge and damage to start batteries in vehicles with long stationary periods.

Prevent battery failure by using a custom, low voltage disconnect to increase the reliability of your system design for your customers, saving money on battery replacements.

True smart battery isolator versus proline isolator install#

Utilising our proven robust design it enables an easy install and reliable solution. REDARC can create a custom isolator to save you or your customers time and money.Īn SBI-X can be tailored to suit any application, in 12v or 24, as well as 100amp and 200amp options available. The REDARC Smart Start® SBI is a microprocessor controlled, smart battery isolator.