- Diode type insulators contain two high-current diodes, which serve as a heat sink. Advantages of a diode-based battery isolator include a low amount of maintenance and a long lifespan. Disadvantages include a .4 to .6 voltage loss, translating to a longer charging time when the batteries are hooked up to an alternator.
- Solenoid battery isolators help to control the flow of current between two batteries by using high-current relays. One of the advantages of solenoid based isolators include the preservation of voltage across the contacts, whereas they are not as reliable compared to diode based isolators.
- Since multi-battery isolators only allow for one battery to be charged or discharged at a time, the possibilities for different applications can vary, depending on the interests of the user. Potential uses for multi-battery isolators include car stereo enthusiasts being able to listen to their car stereo for long periods of time with the car turned off and without having to be afraid of draining the starting battery.
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