
Battery Chargers
Image unavailable$ 14.30 26.99
You save
Secure Checkout
Product description Enjoy Precision Charging, Sigma 1 is Your Ultimate Car Battery Companion HULKMAN's smartest car battery charger yet, the Sigma 1 is built with next-level intelligence. Using its nine-step charging technology, which can now maintain your battery overnight or for an even longer period, with zero attention needed, creating a completely reliable charging experience. The biggest and brightest LED ever 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. The biggest and brightest LED ever 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. Don't Let a Dead Battery Ruin Your Plans Sigma 1 Battery Charger with Force Mode For 12V batteries. When the connected battery voltage is between 0.3V and 2V, and 12V,12V AGM or 12V Lithium mode is selected, this “12V Loading” icon starts flashing automatically. Press the"Confirm Button" to enter a 5-minute force charge. Perfect for recovering deeply discharged or neglected batteries. NOTE: can not activate or charge totally dead(0V) batteries. Don't Let a Dead Battery Ruin Your Plans Sigma 1 Battery Charger with Force Mode For 12V batteries. When the connected battery voltage is between 0.3V and 2V, and 12V,12V AGM or 12V Lithium mode is selected, this “12V Loading” icon starts flashing automatically. Press the"Confirm Button" to enter a 5-minute force charge. Perfect for recovering deeply discharged or neglected batteries. NOTE: can not activate or charge totally dead(0V) batteries. Wide-Ranging Compatibility 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. Sigma 1 Is Your Trusted Partner Safe for Every HULKMAN User Avoid injuries and damage—even when you keep the charger plugged in—with protection against high temperatures, short circuits, excessive currents, over-voltage, reverse-polarity protection, and sparks. This charger has also been awarded the ETL mark—a safety certification in North America. 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. HULKMAN Battery Charger Sigma 1 Specifications: 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. Smart Trickle Charger with Force Mode -- For 12V batteries. When the connected battery voltage is between 0.3V and 2V, and 12V,12V AGM or 12V Lithium mode is selected, this “12V Loading” icon starts flashing automatically. Press the"Confirm Button" to enter a 5-minute force charge. Perfect for recovering deeply discharged or neglected batteries. NOTE: can not activate or charge totally dead(0V) batteries. Restore Your Battery -- For 12V sulfated, old, idle Lead-Acid batteries,which may discharge quicker than new batteries of the same type under the same conditions. With advanced pulse repair technology, Sigma 1 maximizes these batteries. Use only when the battery voltage is higher than 2V. Typical repair time is 4 hours. avoid purchasing an unnecessary replacement, thus offering you a cost-effective, money-saving, and environmentally friendly battery solution. Smartest Charger Ever -- HULKMAN's smartest car battery charger yet, the Sigma 1 is built with next-level intelligence. Using its nine-step charging technology, Sigma 1 can now maintain your battery overnight or for an even longer period, with zero attention needed and complete dependability, creating a totally hands-free charging experience. Suitable for Any People -- This battery charger is highly suitable for those who need to regularly maintain their batteries or keep vehicles parked for long periods. It’s also a great choice for owners who drive infrequently, frequently take short trips, or own older vehicles. Additionally, it’s perfect for road-trip enthusiasts, campers, and frequent highway drivers, as well as those with high electrical loads from numerous in-car devices. Finally, it’s an excellent option for car, motorcycle, lawn mower, and boat owners.