Best Battery-less Jump Starter Review

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A batteryless jump starter works like a power bank. If so, you should consider investing in a battery-less jump starter. This portable device can get your engine running even when your battery is dead. Batteries are the lifeblood of today’s vehicles- without them, cars and trucks would be nothing more than expensive metal sculptures.

And while most drivers are aware of the importance of keeping their car battery in good condition, many don’t know that there is an alternative to jumper cables in case of a dead battery. Battery-less jump starter, Unlike traditional jumper cables, which require another vehicle with a working battery to start your car, a battery-less jump starter uses kinetic energy from the spinning crankshaft to power its internal batteries.

This means that even if your car’s battery is completely dead, you can still use a jump starter to start it up. In this article, we’ll tell you more about battery-less jump starters and recommend some of the best models on the market. We’ll also provide tips for using them safely and effectively. So read on to learn more.

Battery-less Jump Starters are a must-have for anyone who needs to jump their vehicle. Here are our picks for the four best battery-less jump starters on the market. These products are great for those who may not have a jumper cable or other power source on hand when their car breaks down.

Photo Title Buy
Schumacher DSR108 DSR...image Schumacher DSR 108 DSR ProSeries Batteryless Jump Starter - 12V, Check Prices
OzCharge RescueMate 12-Volt...image OzCharge RescueMate 12-Volt Super Capacitor Jump Starter Check Prices
autowit SuperCap 2...image autowit SuperCap 2 Lite 12V Batteryless Jump Starter Check Prices

For transparency, please note that some of the links on this website are Amazon Associate links. This means that I may earn a small commission if you make a purchase through these links. The use of such links comes at no additional cost to you.

1. Schumacher battery-less jump starter review

For transparency, please note that some of the links on this website are Amazon Associate links. This means that I may earn a small commission if you make a purchase through these links. The use of such links comes at no additional cost to you.

The Schumacher Jump Starter is a professional-grade product that can be charged in 2 minutes using your vehicle’s 12-volt DC outlet and provides a 450-amp jump start for gas and diesel engines. It also comes with rechargeable batteries so you can charge the unit. The high-tech microprocessor inside gives this product a stable flow, preventing incidents and controlling its operation.

You can use it on gasoline or diesel engines for starting cold – showing how versatile the technology is in these devices. The Schumacher DSR 108 is a high-performance, safe, long-lasting jump starter. It includes a short circuit and reverses polarity protection, up to 10 times the service life of traditional jump starters.

Schumacher DSR 108 DSR

The DSR Pro-Series also has glow mode that allows for a cold start on diesel engines, which means you can get your truck started in almost any weather conditions.


  • Suitable for a variety of vehicles
  • Easy to use
  • A full package
  • Durability
  • No batteries needed


  • The cables do not easily disconnect

2. OzCharge RescueMate 12-Volt

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RescueMate 12-Volt Jump Starter is a portable, lightweight, powerful jump starter with a 12-volt DC outlet that can start your vehicle in any situation. The RescueMate Super Capacitors have enough power to start most engines even at 3 volts (98% of all jump starts) and will recharge themselves automatically when the engine is running.

Dependence on cars is one of the most dangerous things you can have. You never know when your car might break down, and if it does, then there’s no way to get wherever fast! Luckily for us, this fantastic product will turn any vehicle into a mobile power station. RescueMate is a jump starter, power bank, and air compressor all in one.

OzCharge RescueMate 12-Volt

It can start your car up to 20 times on a single charge with its 12-volt lithium-ion battery. It can also be used as an emergency power source for your mobile devices, including phones, tablets, and laptops while camping or traveling.

The unit has two USB ports capable of charging two devices simultaneously. You can also use it as an air compressor to inflate tires, basketballs, or other inflatables around the house or office.


  • Safe to use, and a short-circuiting
  • Has a long shelf life.
  • It gives you instant recharging and saves you time.
  • Jump-start your car even in freezing weather.
  • Charge the car’s low-voltage battery.


  • It is a bit pricey, but sometimes you get what you pay for

 3. Autowit SuperCap 2 Lite 12V

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The SuperCap 2 Lite is a 12V jump starter with supercapacitor technology. It is the safest, most convenient, and quickest way to start your car in case of a battery failure. The Super-Cap 2 Lite has no internal batteries, so you don’t have to worry about charging or replacing them ever again! Simply connect it directly to your dead battery and set it for 5 minutes.

You can then crank up your engine at least 30 times on one charge. It is a safe and easy-to-use jump starter without worrying about faulty connections or sparks. Safely connect to any 12-volt automotive car battery with our mistake-proof design, reverse polarity protection, over-current protection, overload protection, and over-voltage protection.

Autowit SuperCap 2 Lite 12V

It also has reverse polarity for safety purposes. This feature allows it to work in all weather conditions and gives you three years warranty when buying. With its lifespan that can easily reach ten or more years, this is indeed a great deal.


  • Has a reported lifespan of up to 20 years
  • To withstand over 100,000 cycles.
  • It can resist a dry-heat temperature of 70 degrees Celsius and extreme cold below -40 degrees Celsius.
  • Charges within 3 minutes
  • it convenient for all emergency jump-starts.
  • Avoid explosions and sparks.


  • Low energy density

4. Rezervo RZ 300 Mini battery-less jump starter

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This supercapacitor jump starter is lightweight, easy to use, and safe. The Rezervo RZ-300 small requires no maintenance, is sturdy, and can jump-start your automobile in three simple steps.

All-Weather capability: It works between -30F to +140F. Rubber shields the starting from drops, hits, and other harm. Even If you attach it with the wrong polarity, it won’t explode whatsoever. 

Instant recharge, no maintenance: Maintenance-free. You don’t need to charge it strictly at home; simply keep it in the car. Supercapacitors don’t last long, therefore charging them at home is somehow pointless.

You can connect it to the car battery or any power source to recharge it for several minutes. Regular batteries take hours to charge, but these don’t.

Easy operation: The beginning is easy for beginners and experts to use. It helps with cold starts and contains an LED light to find the battery contacts. When it’s fully charged or an override is needed, an alert will sound. LCD display shows battery voltage, device charge, reversal polarity, and override functionality.


  • Portable design
  • Low maintenance required
  • Fast and flexible charging
  • Built-in LCD display
  • Safe operation


  • Less powerful for larger cars

What to look for before buying a battery-less jump starter

The evolution of capacitors to super-capacitor jump starters is unstoppable. Currently, they’re beneficial in the automotive industry and can be used as jump starters for when your car battery dies on you! How effective is it? Well, that’s what we’ll look at here; there are essential things all drivers need to know about these batteryless devices before buying one themselves so stay tuned.

Low Resistance

The supercapacitor jump starter is one of the best on-the-go devices for when you need to start your car. The low internal resistance means that it can discharge at high currents, which makes this a great option compared to other battery-operated units or systems like gas tanks and radiators.


Supercapacitors have been around for a while now, but it’s only recently that they’ve started popping up in more and more places. For example, you can find these little guys being used as an energy-storing devices to help jumpstart vehicles with their lithium-ion batteries when needed.

What makes them so great? Well, rather than releasing all of its power at once like most other battery replacements do (which would cause negative impacts on our beloved gadgets!), this super-powered version stores it until there is enough electricity demand–then gives out precisely what people need without overloading or damaging any connected electronics nearby.

Low Cost

One of the significant concerns about this device is its price. Many people think that it’s too expensive, yet when you consider all of its good features and durability- which makes up for any shortcomings in performance or durabilities seen with other types of battery jump starters -they undoubtedly offer incredible value.

When you buy this, make sure it is according to your requirements. Don’t get caught up in the high-price jump starter and just find something that has all of those features but isn’t too expensive.


Supercapacitors are a better choice for people who want their gear to last. The lifespan of supercapacitor jump starters is up to 20 years, whereas lithium-ion batteries only have five-year durations before they become useless.

One reason why these power sources can work so well? There’s not enough time involved in charging them – it’ll take less than an hour on the average charge instead of over 10 hours like with most Li-Ion battery-powered devices (unless you’re using one specific type).

Fast Charging

The supercapacitor jump starter is a great way to get your car started quickly and efficiently. Not only does it charge very fast, but in just two or three minutes, you can have 10A worth of power ready for use! With 15 Amps at hand, this device will turn from charging mode to jumping cars with ease.

For transparency, please note that some of the links on this website are Amazon Associate links. This means that I may earn a small commission if you make a purchase through these links. The use of such links comes at no additional cost to you.

Batteryless Jump Starter How It Works?

You’ve heard of those people who jump-start their car with a battery? Well, this is the same concept except that it uses jumper cables and an external power source instead. While these are not as powerful or long-lasting (you can only charge one device at once), they work well for getting you back on your feet in no time.

The batteryless jump starter is a handy tool for any situation and can help you get back on your feet in no time. It might seem like there are too many steps, but if you follow this quick guide it will become clear how easy these devices really are!

  • Connect the terminals of your battery-less jump starter to match up with colored clips and then turn on that bad boy. The boost should get you a few seconds before losing all power so make sure not to waste time.
  • The best way to avoid draining power and reducing the peak amperage of your jump starter is by ensuring no moving parts are around where you’ll be working. Shut off any auxiliary features on this device such as LEDs, fans or motors with excess heat if necessary; these will all reduce how quickly its battery dies when used for an emergency.
  • The capacitor jump starter will indicate when it’s charged or ready, depending on how quickly you want to get going. When that happens just step in your vehicle and turn the key.
  • Jumping a car battery may seem intimidating, but it is actually quite simple. If you find yourself stuck in this situation and need to get your jump starter out as quickly as possible then do not hesitate! It only takes about 3-5 minutes for the repair process once everything has been prepared properly.
  • The first thing that should be done before starting anything with electronics like an engine (or any other electrical device) from scratch though would have nothing on what we’re going over here – make sure they are disconnected at all ends by unplugging them if necessary so no more energy can flow into whatever might break down while working on another system nearby and remember those safety precautions too.
  • If the engine doesn’t start after 3-5 minutes, then it’s time to call for help. You might be able get someone else who can come out and give you a jumpstart or just have them tow your car so that nothing important gets broken in an emergency situation.


 How long does a Dewalt jump starter take to charge?

With a 40 hour charge, we don’t want anyone on the fence about buying this drill. It’s not just for professionals who need power in their homes but also handymen and DIYers that can put together an outfit with DeWalt tools.

What should I look for when buying a portable jumpstarter?

A jump starter is a great asset to your car and should be part of the survival kit. If you’re looking for one, make sure that it has at least one flashlight so drivers can see in low light situations as well as USB ports or other amenities like an air compressor which could save them from being stranded somewhere with their phone dead because there were no power outlets available nearby.

How many mAh do you need to jumpstart a car?

400-500 CCA is the recommended starting point for almost any passenger vehicle on road. The right jump starter will help you keep your car running while helping out someone else too!

Are supercapacitors or battery-less jumpstarters the same?

Rechargeable batteries are widely available and typically last between hundreds to several thousands of charges. It can store more energy and be charged more than batteries. So, yes, if a jump starter is battery-less, they likely use supercapacitors.

Final Words

Batteryless jump starters are a great option for anyone looking to save money and reduce their environmental footprint.Batteryless Jump Starter are good for all types of vehicles. They also have the ability to charge your phone or tablet while you’re on the go! Supercapacitors can recharge in 10 seconds, so they are perfect for emergencies when you need power right away.

You don’t have to worry about running out of juice or having a dead car battery in your next emergency situation. Read through our buying guide for information on how these products work and what features we recommend looking at before making your decision.

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