Sure power multi battery isolator8/31/2023 ![]() ![]() It doesn't require any splicing or mods to the stock wire loom either. I replaced the Sure Power with a Hellroaring Technologies MOFSET solid state switch and love it. It's a fairly simple installaion that almost works - EXCEPT IT WILL RUIN YOUR BATTERIES. The solenoid provides a handy platform to wire in both the 2 ga main battery feeds and the 8 ga charge wires from the isolator. Finally, Sure Power Multi-Battery Isolators are designed for the alternator systems with negative ground, and batteries of the same nominal voltage. Flipping the dash switch shorts the two batteries together and will 'self' jump start the vehicle. The solenoid is usually open allowing the isolator to isolate the batteries with internal diodes. I added a solenoid between the 1 and 2 batteries with a switch in the dash. ![]() The +12 v is normally provided by the large white charge wire but, since the diodes deny backflow of current from the batteries you have to add a new source. It is necessary to 'excite' the alternator field so it can start charging. The E post requires +12V coming from the ignition 'On' switch. The A post goes to your alternator (make sure to fuse this if you add a whole new wire thereby bypassing the stock fuseable links). Here's the system I built and discarded because it doesn't work.įWIW - If you decide to procede with your installation: Loosing money on the Sure Power will suck but its not nearly as expensive as buying 2 new batteries every other year. Used With: Eliminate Multi-Battery Drain When 2 Or More Battery Banks Are In A Charging System. Undervolting batteries drastically shortens their lives. Battery Isolator Use To Eliminate Multi-Battery Drain When 2 Or More Battery Banks Are In A Charging System 160 Amp Single-Input Dual-Output With Terminal/ Mounting Hardware Boxed. If you could move the sense voltage wire to measure voltage at the battery, it would work. The diodes cause a voltage drop before the 13.7 v makes it to the batteries. Sure Power uses diodes to isolate the batteries. The sensing location is INSIDE the alternator. What happens is that the voltage regulator is measuring the alternator's output voltage to give a correct 13.7 v charge to the system. The Land Cruiser's alternators are not the 'special type' that work with the isolator. I even called several times to ensure I got a different tech to confirm. (Looking at the wiring diagrams for both the 60 and 62's shows the external wiring is the same.) I spoke to Sure Power's tech reps. I spent a lot of time trying to do on a 60 what you are trying to do on a 62. and Schatz, Ralph Arthur, to Motorola, Inc. The packaging says it's specially made for Toyota internally regulated alternators. to United States of America, Energy Research and Development Administration. Specifications: Surepower 1315-100 Battery Isolator (12V, 100A) Height (in.I tried to use the same Sure Power isolator: 95 Amp, Model: 9523A. Designed by Surepower, the leader in battery isolators, for superior performance that exceeds original equipment manufacturer specifications.Easily connects alternator to one main and one auxiliary battery.Solid-state technology isolates each battery circuit to extend battery life by allowing each to charge and discharge according to need.Prevents auxiliary batteries from draining main battery power in vehicle electrical systems.Key Features: Surepower 1315-100 Battery Isolator (12V, 100A) Includes battery isolator plug connector kit 80093. Vehicle and marine installation instructions available online. This frees up the vehicle’s charging system so that the engine and house batteries can charge and discharge according to the needs of their electrical loads. Battery isolators make sure you are never stranded with a dead starter battery. When installed, isolators allow vehicle accessories to draw current from the house battery without affecting the battery used for engine starting. The battery isolators act as a check valve to prevent auxiliary batteries from draining the main battery. The Surepower 1315-100 is is a heavy-duty 12VDC solenoid rated for continuous duty at 100A.ĭesigned by Sure Power, battery isolators are solid state devices in a multi-battery charging system that help ensure engine starting power. The Surepower 1315-100 Battery Isolator enables you to have the engine battery and house batteries joined together electrically when desired for charging, but also keep them separate. You'll want the ability to keep both the engine battery and house batteries well-charged, and also to be able to use the stored energy from each. In your camper van or motorhome, you have both the engine battery and a house battery bank. ![]()
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