Key features

• •Note: It's a battery maintainer/ trickle charger rather than a jump starter.
• •Battery Charger Sigma 1 - Compared to your average car battery charger, sigma 1 is more compact, more attractive, and simpler to use. Sigma 1 stands out from the crowd. It is not only a battery charger, but also a battery maintainer, trickle charger, floating charger and battery desulfator. It's the all-in-one charging solution. Combined with its pure copper clamp, Sigma 1 offers customers the best charging experience ever.
• •DO MORE with Sigma 1 - Designed for 6-volt and 12-volt lead-acid (AGM, Gel, SLA, VRLA) and lithium-ion (LiFePO4) batteries, including flooded, wet, maintenance-free, EFB, calcium and deep-cycle batteries.
• •Visualized Charging - Once you plug in and attach the battery, a huge 2.7-inch LED screen intuitively indicates the battery level, voltage, and charging mode. Simply select a charging mode and it will begin delivering the power to your battery, making your charge easier and better than ever before.
• •Charge Dead Batteries - If your battery has died, you can now charge dead batteries with our advanced "Loading" Mode, a scientific charging process that delivers significant current power through qualification, soft start, and pulse mode, as well as recondition and bulk stages, to stimulate dead batteries back to life. Perfect for recovering deeply discharged or neglected batteries.
• •Restore Your Battery - This trickle battery charger can accurately recognize bad batteries. By implementing the 12V "Super Repair Mode," you can enhance your battery performance in only four hours and avoid purchasing an unnecessary replacement by reducing sulfation build-up and acid stratification with pulse cycles, thus offering you a cost-effective, money-saving, and environmentally friendly battery solution.