What are the fuse sizes I need for installing this product? This really depends on the intended loading of your car circuit, which is different from vehicle to vehicle.It is designed to protect the start battery from. Q & A Section: Here I put some questions that are commonly asked by people interested in this product: The REDARC Smart Start SBI212D is a 12v 200A dual battery isolator used in a dual battery system. Automatically sensing voltage level of main battery.2 x AWG 8 (fridge ground and 12v fridge supply) and 1 x AWG 12 (12v supply). 200 AMP Dual Battery Isolator / RelayUsing an isolator when adding a second battery will keep the batteries from discharging each other and allow you to run.
#12v battery isolator relay install#
The relay will close whenever either of the terminals have voltage exceed 13.3V, and only open if both batteries are lower than 12.8V. It is recommended that i install a voltage sensing battery isolator relay on. This is a dual sense unit, in which the Voltage Sensitive Relay will respond to voltage change at both terminal. Voltage Sensitive Relay units are ideal for dual battery set-ups as they enable two batteries to be charged at the same time and then isolates the batteries from each other when the vehicle is turned off, ensuring your starting battery is always charged & ready to go.
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