If your concerned about your batteries becoming overly discharged, we rcommend consider installing a Battery Protector. This smart dual battery isolator allows two batteries to be charged from your engine alternator at the same time. Easy, No Hassle Returns: 100 Satisfaction Guarantee. Dual 12v Battery Isolator 170A with wiring kit. But we cannot guarantee our negotiated rock bottom prices on Battery Doctor 150 Amp Battery Isolator will remain this low after May 24, 2022. Having the answers to those three questions makes choosing the right isolator for your needs a snap. Battery Switch 300 Amp from waveinverter 29.90. The SBI2 provides 12 volt DC incorporating 100A of continuous ratings. It will protect the start battery from excessive discharge, whilst allowing the auxiliary battery to supply non-essential loads. How many batteries do you want your system to charge? The REDARC Smart Start® SBI2 is a microprocessor-controlled battery isolator used in dual battery systems as a solenoid priority system.How many amps does your alternator output?.
Consider the following when making your selection: When two or more batteries are installed in your vehicle (RV, Boat, Limousine, Emergency Vehicle, Automobile, etc.) powering different systems, Battery Isolators allows them to share a common charging source while being independently discharged.īattery Isolators are commonly used to maintain the starting battery charge while using a second battery to power accessory items (sound systems, refrigeration, emergency lights, computer equipment, etc.) eliminating the fear of having a dead battery when trying to start the engine.Ĭhoosing Battery Isolators can be a daunting task for the uninitiated. 1: First check whether the main battery voltage is at 12.5V, start the engine and start the isolator after detecting that the voltage is higher than 13.5V for 5 seconds.