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CollierCatMan
Reviewed in the United States on March 2, 2025
It's okay. I intended this to trickle-charge and maintain my car battery when parked for extended periods in my garage. I thought the USB-C interface was convenient and elegant, allowing me to share a cell phone charger with my car. Unfortunately, it seems the measly 20 or so watts this thing puts out consistently just isn't enough to offset any parasitic drain from modern car electronics and telematics. So it was just increasing the time it would take for my battery to die. Also, it seems to not like certain PD chargers. I couldn't get it to work with my higher wattage Lenovo and Anker chargers, but it worked no problem with the 25 watt and 45 watt Samsung power bricks. Anyway, I ended up putting it to good use to keep my lawn tractor starter battery topped off. It seems that it will work just fine for that. So I guess it works as advertised, just didn't work for what I was hoping to use it for. Docked one star for how finicky it is with PD chargers. Otherwise, it does what it says it does.
Zeek
Reviewed in the United States on March 17, 2025
This Kewig battery charger is the first I have seen that uses a USB-C cable as a power source! It does NOT include a USB-C cable or wall charger, you will need to provide your own. I use this with a 20W USB-C phone charger and a 6ft USB-C cable to keep the battery on my motorcycle charged and maintained. I started my bike this past weekend, after being on the charger/maintainer for a couple weeks, and I could definitely tell the battery has more energy than before. This will pack well also, it is very compact and easy to keep on your tank bag, tail bag, panniers or coat pocket. I believe this is a great option for maintaining the battery on small batteries that don't get regular use. Great for motorcycles, lawn mowers, ATVs, some cars, etc.!
Oldcars
Reviewed in the United States on February 12, 2025
Interesting little charger, uses usb-c to operate so you have to supply that. I seems to work well on my old Triumph and is small enough to leave connected and hidden away.
MarkK10
Reviewed in the United States on January 9, 2025
I got this charger specifically for my grandson’s Micro Sprint race car which is powered by a 600cc motorcycle engine. The battery in his car is a LiFePO4 (Lithium Iron Phosphate) type, which is not compatible with all chargers. However, this charger is specifically rated as being compatible with LiFePO4 as well as Lead-Acid and AGM batteries. With a 2-amp output, this charger should be suitable for most motorcycle type batteries.This charger has 4 lights which provide a good indication of charging status. Note that it has a USB-C input port, so you will need a cable and wall adapter to power this unit. Two pigtails are provided with an SAE plug at one end to connect to the charger. One pigtail has battery clamps and the other has spade terminals for a more permanent connection to a battery.I tried this charger out first on a small AGM battery from an ATV. It worked fine to bring this battery up to a full charge. Next, we will be using it to keep the Lithium battery in the race car at a full charge over the winter until racing season arrives. I think that it will do a good job for us.
bob amos
Reviewed in the United States on January 6, 2025
This is an interesting little guy. LITTLE being the key word here. This thing is so small that you could actually carry it in a pocket. But.... it sure does the job.While they advertise this as a motorcycle charger, it is basically just a smart battery charger and i will be using it as such. I built a nice battery box that is solar as well as wall charger friendly. This is the perfect size to store in the box with the 2 lithium LiFePO4 batteries.The smart part is that it can determine battery chemistry when connected. I tried it on a wet cell battery and the charge rate was spot on for it. Then I tried it on a gel cell battery and, again, spot on target. Then finally the lithium battery and it was perfect. It does not throw out a lot of amperage so charging does take a little more time but that is just fine for my use and most people will find it acceptable. I have other chargers if a rapid charge is needed but slower charging is best for batteries.It does not have the "repair" mode like more expensive battery chargers have, but for the price and size, it was not expected. The only issue that I found was that is determined that one of my lithium batteries tested was bad while a more indepth testing with proper test equipment shows that that battery was just fine. So, if you get a "RED" indicator of a bad battery, check it with other equipment before digarding it as bad.Basically, I am happy with this and it has already been placed in the battery box for use when called on.
CarCW
Reviewed in the United States on January 27, 2025
cute, small, works great. i was surprised by how tiny it was, but ultimately that's a plus, as it's easy to store in the off season and doesn't take up much space in the shop. Oddly, it comes with the quick disconnect for your motorcycle battery, but it doesn't come with a usb-C cable or wall plug. not a huge deal - My wall plug already had a usb-C port, and I had a long USB-C cable just sitting around. For the price, it's still a good value, just be wary you might not be able to use it right out of the box.
Richard Madison
Reviewed in the United States on January 18, 2025
How do you sell a charger that has no power cable to give it juice to charge with. Not impressed out of the box; after digging around I found in my junk draw a cable that would work for the job. now to find a block to plug it into. Ok found what I needed now to try it out well look there now I need an extension cord to reach my bike. Ya I'm not going through with it my shortest cable is 100-foot construction cord a little over kill to charge my bike not worth the hassle going to buy one that has all I need in the box.
J
Reviewed in the United States on January 14, 2025
Battery i have displays its voltage on the top so i was able to see if this was working after some fiddling with it started to charge the battery .has almost no weight so im unsure how long this will last and if it will handle trickle charging a lead acid battery even .likescharges the battery i got for testing my UTV stuff before i install it .dislikesno charger in the box for the type c end , would of been nice if it included one .directions are lacking at best .
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