When the engine is started and either battery reaches 13. Offers option to install warning and indication LED via included wiring (LED not included). The smart battery isolator allows two batteries to be charged at the same time. Smart Start features allows you to manually override the isolator via a dash-mounted switch (not included) to link both batteries for added power on cold starts, during winching, etc. The benefit of the dual control enables the user to charge both batteries in either direction connecting solar panel system or electric battery charger to either battery will provide charge to both batteries, replenishing drain from use at camp or while stopped. When the sensor detects either battery dropping below 12.7V the batteries with be disconnected, ensuring you don’t inadvertently drain your starting battery running accessories from your auxiliary (house) battery. One terminal on the relay should be connected to the positive terminal of the primary starting battery using 6ga red wire. This wire is simply used as a ground for activating the relay. If the unit detects that either battery has exceeded 13.2V the isolator will automatically connect both batteries so they will charge. The black wire coiled inside the relay needs terminated to a good ground location using the included blue crimp connector. This needs to be a 18ga or larger wire and will connect to the Sig stud of your Li-BIM with a ring terminal on one end and to the metal of your vehicle with. The SBI212D is a microprocessor-controlled dual battery isolator that monitors both the start battery and the auxiliary simultaneously. Manual Override - If the starting battery is flattened and the auxiliary battery is charged, the electronic isolator allows the batteries to be manually. Note: Do not connect gel-cell batteries to a vehicle's alternator.The Dual Sensing Smart Start® SBI212D is a more powerful version of the SBI12D, rated at 200 amps continuous and 600 amps inrush. The cable for the override should be fused separately. Isolators with override function also require an additional switch - a momentary push button switch is recommended. Connect your auxiliary loads to the auxiliary battery (don't forget suitable fuse). When the voltage reaches 13.3V (meaning the engine is on and the battery is fully charged), the isolator cuts in and sends 100 of the alternator’s current to your auxiliary battery. Installation of a battery isolator is fairly simple as it does not interfere with existing wiring. Smart battery isolators work by automatically sensing the voltage of your starting battery. a winch).īattery isolators may also have an application in stationary solar power systems for emergency lights or pumps, refrigeration for medical supplies or similar.īattery isolators only work with battery banks of the same voltage. REDARCs Smart Battery Isolator (SBI) range of products use an advanced computer. Some battery isolators also have an override function which allows both batteries to be used for certain high powered appliances (e.g. Usually, if a single battery in a battery bank fails, the damaged battery discharges (or worse damages) the entire lot. Applying power to the purple wire will override the automatic separation of the two batteries, and connect them together. The purple wire can be hooked to an on/off switch (preferably a momentary on/off switch). Properly isolated batteries are also protected from discharge should the partnered battery fail. There are two extra wires coming from the back of the Battery Separator. it ensures that the starter battery (or primary battery) of the vehicle remains full enough to start the engine by isolating it from the auxiliary (or secondary) battery.When the engine is started and either battery reaches 13.4 volts, the relay engages (blue LED on), allowing two battery banks (start and accessory) to be charged simultaneously. it recharges both batteries (or battery banks) by splitting the charge current into multiple branches without the need to wire the batteries in parallel, and The smart battery isolator allows two batteries to be charged at the same time.Battery Isolators are ideal for dual battery systems commonly found in recreational vehicles, boats, large trucks or motor homes.
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