

Unlike the Add-a-Battery, this product is a stand-alone isolator and does not include a switch. The build quality and easy to follow instructions included with this device make it a worthy investment.Ģ WirthCo Battery Doctor 150A – Most Versatile 12V DC Dual Battery Isolatorįor our next product, we have this isolator manufactured by WirthCo called the Battery Doctor. Once the installation is finished, all you need to do is switch your battery to ON when you arrive and OFF when you leave. Perfect for use in either a 4WD or boat, as they are often exposed to various elements and environments.

Additionally, this helps to prevent corrosion. Tin-plated copper studs are used to provide maximum conductivity. Now your switching can be simplified, your engine isolated, and circuits housed. It will also automatically isolate the batteries during engine cranking and when there is no charging.īecause of this technology, the charge between two batteries can be shared more efficiently than standard isolators. Thanks to the 12/24V DC 120A charging relay, batteries automatically combine during charging. Options include OFF with the arrow pointing straight up, ON pointing to the right, and combined pointing down. The switch itself is a large rotary dial with clear labeling.

The package consists of a separate switch and isolator unit. This system can be used with both cars and boats for providing that all-important backup. The Add-a-Battery can act as both an on/off switch or manage switching and charging of two batteries from a single charge source. Ja圜orp True Smart 140A – Best Simple 12V DC Dual Battery Isolatorġ Blue Sea Add-a-Battery 120A – Best 12V DC Dual-Battery Isolator with Switch.KeyLine Chargers 140A – Best Complete 12V DC Dual Battery Isolator Kit.WirthCo Battery Doctor 150A – Most Versatile 12V DC Dual Battery Isolator.Blue Sea Add-a-Battery 120A – Best 12V DC Dual-Battery Isolator with Switch.
