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We designed the Halo Bolt Ultimate 4.0 to be the most versatile portable power station you’ll ever own. This all-in-one unit combines a 2000-peak-amp jump starter capable of handling V8 gas engines and diesel trucks with an integrated 120V AC outlet, dual USB ports, and wireless charging pad.
Whether you’re dealing with a dead battery in your driveway, powering tools at a remote job site, or keeping devices charged during a camping trip, our Ultimate 4.0 delivers reliable performance. The 98.5Wh lithium battery holds its charge for up to a year, and the rugged ABS housing withstands drops, dust, and extreme temperatures from -4°F to 140°F.
Technical specifications & power capabilities

Jump Starting Power & Battery Capacity
The 2000-peak-amp output of the Halo Bolt Ultimate 4.0 handles everything from compact sedans to full-size pickup trucks with diesel engines. We engineered the 98.5Wh lithium battery to deliver up to 30 jump starts on a single charge, ensuring you’re never stranded even if you need multiple attempts.
Unlike older lead-acid jump starters, our lithium technology maintains consistent power output in extreme cold. The battery retains 90% charge after six months of storage and 80% after a full year, so it’s ready when you need it most. Smart battery management extends cell life beyond 1,000 charge cycles with proper care.

Wireless & USB Charging Capabilities
We built a 10W Qi-certified wireless charging pad directly into the top surface for cable-free smartphone power. Simply place your Qi-compatible device on the designated zone, and charging begins automatically. The wireless pad delivers 7.5W to iPhones and 10W to compatible Android devices.
The dual USB ports handle everything else in your tech kit. Our USB-C Power Delivery port provides 18W fast charging for modern smartphones, tablets, and small accessories, while the USB-A port delivers 2.4A for older devices. Both ports feature intelligent current sensing to optimize charging speed without risking battery damage.
Safety Features & Protection Systems
Every jump starting operation benefits from our comprehensive safety architecture. The spark-proof clamps won’t create dangerous arcs when you touch them together, and reverse-polarity protection prevents damage if you accidentally connect positive to negative. LED indicators on the clamp handles confirm correct connection before you attempt to start the engine.
Internal thermal sensors monitor battery temperature during high-current operations and throttle output if the unit approaches unsafe levels. Overcharge protection automatically stops incoming current when the internal battery reaches 100%, preserving long-term cell health.



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Common Questions About the Halo Bolt Ultimate 4.0
The 98.5Wh battery provides up to 30 jump starts for a typical 4-cylinder gas engine on a single charge. Larger engines require more power, so you’ll get approximately 15-20 jumps for V6 engines and 10-15 jumps for V8 or diesel engines.
Actual performance depends on engine size, ambient temperature, and battery condition. Cold weather reduces capacity slightly, while warm conditions optimize output.
Yes, the unit operates safely in temperatures from -4°F to 140°F, covering extreme seasonal conditions. The lithium battery performs best when stored between 32°F and 77°F for long-term health, but it won’t suffer damage from occasional exposure to temperature extremes in your vehicle.
We recommend recharging every three to six months if the unit stays in your car unused. Battery self-discharge accelerates in high heat, so check the charge level more frequently during summer months.
The AC outlet delivers 100 watts continuous power and 200 watts peak, suitable for laptops, phone chargers, small LED lights, CPAP machines, portable fans, camera battery chargers, and similar low-wattage electronics. You can run most laptops for 1-2 hours depending on their power requirements.
The outlet won’t power high-wattage appliances like hair dryers, space heaters, or power tools that draw more than 100 watts continuously. Check your device’s wattage rating before connecting.
A complete recharge from fully depleted takes 5.5 hours using the included wall adapter. The 12V car charging adapter takes approximately 9 hours for a full charge but provides convenient top-off capability during drives.
Partial recharges take proportionally less time. You can restore 50% capacity in about 2.5-3 hours with the wall charger.
The 10W wireless pad works with any Qi-certified smartphone, including iPhone 8 and newer, Samsung Galaxy S6 and newer, Google Pixel 3 and newer, and most modern Android devices. iPhones charge at 7.5W while compatible Android phones receive the full 10W.
Phones without built-in wireless charging require a Qi-compatible charging case or adapter. The wireless pad won’t work through thick cases or cases with metal plates for magnetic mounts.
The Halo Bolt Ultimate 4.0 includes spark-proof clamps that prevent dangerous arcs even if you touch them together. Reverse-polarity protection blocks current flow if you accidentally connect positive to negative, protecting both the unit and your vehicle’s electronics.
LED indicators on the clamp handles confirm correct connection before you start the engine. Internal thermal sensors and overcharge protection safeguard the lithium battery during all operations.
Yes, pass-through charging lets you recharge the internal battery while simultaneously powering devices through the USB ports, wireless pad, or AC outlet. This feature proves especially useful during extended power outages when you need to keep devices charged while the unit itself recharges from a generator or wall outlet.
Charging speed slows slightly when you’re also drawing power from the unit, but both functions work safely together.






