HULKMAN specializes in advanced automotive power solutions, designing high-performance jump starters and smart battery chargers for reliability and ease of use.
HULKMAN is a technology-driven automotive brand dedicated to redefining how drivers interact with vehicle power. Operating under the philosophy "Make Power Different," HULKMAN manufactures a range of intelligent power accessories, most notably the Alpha series of portable jump starters and the Sigma series of battery chargers and maintainers.
Their products are distinguished by rugged industrial design, large informative displays, and proprietary technologies like extremely fast recharging and AI-optimized battery maintenance. HULKMAN aims to provide safe, powerful, and user-friendly solutions for roadside emergencies and routine battery care.
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If the screen displays nothing due to low voltage, press and hold the Power Button and Flashlight Button simultaneously for 2-3 seconds until 'READY' appears on the screen.
Error codes indicate specific issues such as reverse polarity or extreme temperatures. Refer to your specific user manual for a complete list of codes and solutions.
Most HULKMAN products, including the Alpha jump starters and Sigma chargers, come with a 3-year hassle-free warranty covering defects in material and workmanship.
Yes, the Sigma series features a 12V Repair Mode designed to recover sulfated, old, or idle lead-acid batteries, provided the battery voltage er over 2V.