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Installation Instructions
Follow the installation instructions and follow the steps to connect and use.
1. Connect the red battery clip of the jumper cable to the vehicle's positive terminal (+) and the black clip to the negative terminal (-).
2. Insert the battery into the adapter and make sure it is securely locked.
3. Start the vehicle.
4. After successfully starting the vehicle, remove the jumper cables and disconnect the vehicle battery from the tool battery within 28 seconds.
Important Tips
1. When connecting, please place the battery in a safe area on the ground, and the battery power must be kept above 50%.
2. If the first ignition fails, please wait a few minutes before trying to ignite again.
3. If ignition is successful, please disconnect the vehicle battery and tool battery in time.
4. This jumper cable does not convert or reduce voltage. It just provides an extra option to start your car in an emergency, so choose the tool battery that matches your car battery accurately.
Customer
Reviewed in the United States on March 8, 2025
Works great in a pinch. Way better than carrying a big portable car battery charger, fits in the glove box. Much more portable.
Mouse
Reviewed in the United States on January 13, 2025
Popped a spring very first time we tried to use
GrizzlyC137
Reviewed in the United States on November 8, 2024
Feels a little flimsy, but it works! Didn't even know you could do something like this until now.Very practical for anyone who regularly has power tools in there vehicle!
Kandace
Reviewed in the United States on November 30, 2024
These clamps provide a secure and reliable connection to your vehicle’s battery, allowing you to jump-start your car quickly and easily. They’re designed to work seamlessly with Milwaukee M18 18V batteries, offering a powerful and portable solution for dead batteries. Compact and durable, these clamps are a must-have for anyone who wants to ensure they’re prepared for unexpected battery failures on the road!
Olynomad
Reviewed in the United States on November 25, 2024
We have a 12 diesel pump on our mobile fuel cell and this is a good hack to avoid having a 12v car battery on hand to run it. We haven't had any issues with over powering the pump, it seems to run the same as the 12vbatt. Battery clamps aren't super heavy duty but they look and feel good enough for my needs.
Brian Jones
Reviewed in the United States on November 19, 2024
i was thinking about making something like this from one of those powerwheel adapters, then this popped up. nice quality, decent size choice for the wire and good clamps. not sure if it'll start a car by itself, but i plug in a battery, connect the clamps and give the car battery about 5 min to soak up what it can from my milwaukee battery then try and so far it works. milwaukee batteries don't like draws larger than about 50 amps. makes them blink and that's not usually good with power tool batteries.
Donnie
Reviewed in the United States on November 12, 2024
Do not buy this no matter how hard you imagine that these will work and be worth anything.They look super cool and would be great to have handy for the mower or bike or even a car. They appeared to be well built but as soon as I tried to use them, both clamps busted apart. I thought it was a fluke with the first one and reassembled it, went to try and attach the other clamp up and it instantly flew apart. It looks like these are 3d printed and the clamps cannot sustain the pressure from the springs and being opened, it flexes and the whole clamp shoots apart. If that hadn’t been an issue, the only other flaw I see is that you can’t turn the power on or off, once you hook a battery up, it’s hot.
JWilly48519
Reviewed in the United States on November 10, 2024
The two halves of each of the plastic-and-spring clamps that attach to the car battery terminals have to be connected to each other so that the clamp-jaws can be squeezed open against the internal spring.Those connections have to be loose enough to rotate freely while withstanding the substantial force from the spring. Sometimes with clamps like these, that's done with metal rivets. Highest-quality clamps might have a solid metal "axle".This product's clamps, though, are entirely plastic. Thin tabs stick out of each clamp half. One side has holes in the tabs, and the other side's tab has slightly protruding nubbins that...with some bending...fit into those holes.Except the plastic isn't strong enough to handle the increased force of the spring when the clamps are used...so the clamps pop apart. Which makes the product entirely useless.There's no real fix for it, except to replace the clamps with a more sensible design.(original review) This does work...but it must be hard on the battery you use, and maybe hard on the car's electronics too. The normal charging voltage for a "12 volt" vehicle electrical system is 14.4 volts. Applying 18 volts to such a system exceeds what it's designed for.As for the battery, various sources say that the maximum discharge rate of a lithium ion battery without permanent damage and loss of capacity is a few times the charging current. Such batteries are not designed to supply large surges of current. The current to start a car may peak at a hundred amperes or more...which likely is fifty to a hundred times the charging current.Power tool batteries like these are fairly expensive. This product, if it damages the power tool battery used with it, might be providing an expensive jump-start. Depending on the circumstances, maybe that expense is worth it to you.
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