Automotive Accessories

Ryobi 18V ONE+ Jump Starter Review: A Practical Pick for Ryobi Owners

A jump starter that rides on the Ryobi 18V ONE+ battery platform, handling gas and diesel engines up to a 6L V8 with anti-spark and reverse polarity protection.

Ryobi 18V ONE+ jump starter with wrapped cables and battery pack on concrete surface

Introduction

If you already own tools on the Ryobi 18V ONE+ platform, or you are thinking about buying into it and you also own a car, the Ryobi 18V ONE+ Jump Starter deserves a look. It borrows the platform’s battery system to get a dead vehicle running again, and it does so with a handful of safety features that make the process forgiving for anyone who is not confident around car batteries.

Design and Build

The jumper cables clamp neatly onto the sides of the unit and clip in with small retaining pieces, so they stay put when stowed. The cables wrap around the back of the body, which keeps the whole package about as compact as it can be.

Car hood open at dusk with jumper cables connected to a battery

One thing to keep in mind: this unit is bigger than some dedicated lithium-ion jump starters, and that is largely because it uses an 18V battery that has to be inverted to 12V for your vehicle. That trade-off buys you platform compatibility, which matters a lot if you already have Ryobi batteries at home.

Capability and Battery Options

The Ryobi 18V ONE+ Jump Starter will jump-start gas and diesel engines up to a 6L V8. That covers most vehicles on the road today. Bigger engines, such as large-displacement V8s, will need something more powerful.

The kit comes with a 2Ah battery, which Ryobi says delivers up to 20 jumps on a full charge. Realistically, that is plenty of capacity for emergency use, which makes the 2Ah pack the sensible choice anyway. Larger batteries do fit: a 4Ah pack slides in fine, but six-amp-hour and larger packs work only with the door unable to close completely, so keep that in mind when picking a battery.

How Easy Is It to Use?

This is where the product shines. A quick start guide sits right on the unit, so there is no need to memorize instructions or keep the manual in the car. Press and hold the power button and a green light confirms the unit is active.

Ryobi has built in anti-spark and anti-reverse polarity protection. Connecting the leads backwards does not cause sparks or damage; the unit simply flashes an error, and once the cables are on the correct terminals you press the button again to proceed. The leads then need roughly 60 seconds to prime before you start the engine, though you can press and hold to override that if you are in a hurry.

Close-up of jumper clamps attached to battery terminals

The cables are on the shorter side, so the unit has to sit close to the battery. That is slightly irritating but normal for lithium-ion jump starters of this type. Once the engine starts, you should disconnect the leads and turn the unit off rather than leaving it connected.

Built-In LED Light

There is also a bright LED light built into the body. If you are jump-starting after dark under a hood without its own work light, it helps you see the terminals while you connect the leads. Press the light button again and it switches to a flash mode, useful if you are working at the roadside and want to make yourself visible to passing traffic.

Built-in LED work light illuminating an engine bay at night

Size and Storage

Held in the hand, the unit is substantial but manageable. In the vehicle, it fits nicely in under-seat storage with the seat going down over it, and it can also slide under a seat if space allows. It is not a glovebox item; it will not fit well in there. The best habit is to wrap the cables around the back of the unit before stowing it, which keeps everything tidy.

Jump starter stored under a car seat

Buying Advice

The bare tool runs $179 at Home Depot and HomeDepot.com, but the kit, which includes the 2Ah battery and charger, is $199. For an extra $20, the kit is the obvious choice, especially since the battery is what makes the whole thing work. If you are already invested in the 18V ONE+ platform and have batteries on hand, the bare tool makes more sense.

Conclusion

The Ryobi 18V ONE+ Jump Starter is a simple, well-protected way to bring jump-starting capability into a battery platform you may already own. It handles most engines on the road, up to 20 jumps per 2Ah charge, and its anti-spark and reverse polarity protection remove most of the anxiety from an already stressful situation. For Ryobi households with a car in the driveway, it is an easy recommendation.

Product link

View more details for Ryobi 18V One+ Jump Starter

This product is mentioned in the review. Check the specifications, options, and compatibility before buying.

View more details for Ryobi 18V One+ Jump Starter

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