Smart Interface Operation


This 2.7-inch LED screen is the biggest and brightest ever on a car battery charger. There is no technical knowledge required, and no complicated modes! Charging information, battery voltage, charging status and mode, incorrect operation warnings, and more, can be viewed clearly with this easy-to-read LED display.


Bring Dead Batteries To Life


After detecting your dead battery, this charge will automatically turn on “Loading Mode” and bring your dead battery back to life.


Versatility, Compatibility, and Utility


An all-in-one charger for 6V, 12V, lead-acid, and lithium batteries, such as deep-cycle flooded, gel, wet, maintenance-free, EFB, and calcium batteries, as well as all vehicle types including automotives, motorcycles, ATVs, RVs, powersport vehicles, lawn mowers, marine vehicles, and more.


Perfectly Functional in Fluctuating Temperatures


This charger can be used in cold weather down to -4℉/-20℃, and in hot weather up to 104℉/+40℃, with zero worries regarding your safety.


On-the-job dependability


With high-grade, drop-resistant, and dust-tight materials, EMC and EMS technology, and the ability to operate Sigma 1 in a fully electric environment without interfering with other electronic devices or being interfered with, this charger is incredibly durable and reliable for any circumstances.


Sigma 1 has been constructed with next-level intelligence, forming a unique 9-step charging technology and the “Super Repair” feature, enabling it to automatically run diagnostics, clear sulfation buildup, and always ensure a full charge with trickle/float charging, extending your battery lifespan.