Alpha 85S Smart Jump Starter with Cold-Weather Pre-Heat Technology
Use the code SUMMER100 at checkout to get $100 off
• Bring Dead Batteries Back to Life
Dead battery? No problem. Delivering 2000 peak amps of starting power, the Alpha 85S revives completely drained 12V batteries in seconds. It effortlessly starts engines up to 8.5L gas and 6.0L diesel, providing up to 60 jump starts on a single charge.
• Bulit for Extreme Cold Starts
Winter doesn’t wait—and neither should you. Equipped with advanced Pre-Heat Technology, the Alpha 85S actively warms the battery system to ensure reliable starts in temperatures as low as -40°F. When ordinary jump starters struggle, Alpha 85S delivers power on demand.
• Smart Screen.Smarter Starts
The large 3.3-inch smart display gives you real-time visibility into battery status, operating conditions, and error alerts. Clear guidance and simple prompts make every jump start fast, intuitive, and stress-free
• Protection You Can Trust
Start with confidence every time. Featuring a fully insulated design and intelligent battery management system, Alpha 85S provides 10 layers of protection, including spark-proof, reverse-polarity, over-current, and mistake-proof safeguards
• Recharge in a Flash
With 65W Speed Charge Technology, recharge from 0% to 80% in just 1 hour. A quick 5-minute charge provides enough power for an emergency jump start.
FREE SHIPPING on all orders within the US
Share your Alpha Series story
Michael R. – Fairbanks, AK
“I've owned several jump starters over the years, but this is the first one that actually seems designed for real winter conditions. Up here in Fairbanks, it's not unusual to wake up to temperatures around -20°F or even lower. Most portable jump starters lose a lot of power in that kind of cold, and I've had a couple that simply refused to work.The Alpha 85S automatically activated its pre-heat function as soon as I connected it to my truck. After waiting less than a minute for the READY indicator, it delivered enough power to start my Ford F-150 on the very first attempt. I didn't have to press any extra buttons or guess whether it was ready.If you spend winters in Alaska, this feature alone makes it worth carrying in your vehicle. It gives me a lot more confidence than the jump starters I've used before.”
Daniel S. – Denver, CO
“Colorado weather changes fast. One day it's sunny, the next morning it's below freezing, especially during ski season. I keep the Alpha 85S in my truck because I never know when I'll need it.What impressed me most isn't just the peak power—it's the automatic pre-heat technology. Instead of immediately trying to crank the engine in freezing conditions, the unit first brings itself up to an optimal operating temperature before supplying full output.I tested it after leaving the jump starter in the truck overnight during a cold snap. Once the pre-heating cycle finished, my 5.3L V8 started on the first try. That experience alone convinced me this wasn't just another generic jump starter.”
David K. – Duluth, Minnesota
“Winters in northern Minnesota are hard on just about everything, especially vehicle batteries. We've had mornings below -15°F where even newer batteries struggle to turn the engine over. I bought the Alpha 85S hoping it would be more reliable than my old jump starter, and the automatic pre-heat feature is what really impressed me.Instead of trying to deliver full power immediately, the unit warmed itself before the jump. After less than a minute it indicated it was ready, and my Chevy Silverado started on the first attempt. That extra preparation gives me much more confidence during our coldest mornings.If you live somewhere with real winters instead of just cool weather, this feature is genuinely useful.”
Jason P. – Marquette, Michigan
"In Michigan's Upper Peninsula, cold mornings are just part of life. I've used several portable jump starters over the years, but none of them included automatic pre-heating.After leaving my truck outside overnight in sub-zero temperatures, I connected the Alpha 85S and let it complete its pre-heat cycle. Once it was ready, the engine started immediately.That feature alone makes this product worth carrying throughout the winter. It feels like it was built for northern climates rather than just average weather."
Laura M. – Bangor, Maine
"Maine winters can be rough, especially after a night of snow and freezing temperatures. I bought the Alpha 85S before winter because I wanted something dependable for emergencies.The pre-heat function worked exactly as described. I connected the clamps, waited briefly while the unit prepared itself, and my Subaru Outback started on the first try. Everything felt automatic and straightforward.I hope I don't need to use it often, but it's comforting to know it's ready when the weather isn't!"
Ryan T. – Bozeman, Montana
"Living in Montana means early mornings, snow-covered roads, and long drives through areas where roadside assistance isn't always nearby. Reliability matters.I really appreciate that the Alpha 85S automatically prepares itself for cold weather before attempting to start the engine. Last month my truck had been sitting outside overnight in temperatures well below freezing. After the short pre-heating cycle, it started without hesitation.The whole process was simple, and it's reassuring to know the jump starter was designed with extreme winter conditions in mind."
