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Keeping a reliable battery charger on hand is one of the smartest moves for any vehicle owner. Whether it’s keeping your car battery topped off in the garage, maintaining marine or deep-cycle batteries, or just having peace of mind on road trips, a compact charger ensures you won’t be caught off guard by a dead battery.
The Xueyu Car Battery Charger at Walmart is currently on sale for just $21, down from its regular $50 price. Despite its compact size and the fact that it weighs just 1.3 pounds, it packs impressive versatility, working with both 12V and 24V batteries across cars, trucks, motorcycles, boats, and more. It’s an all-in-one solution, serving as a battery charger, maintainer, trickle charger, and even a desulfator to help restore performance in older batteries.
Xueyu Car Battery Charger, $21 (was $50) at Walmart


This unit features a backlit LCD display that shows charging status, voltage, current, temperature, and mode selection. With seven automatic charging stages, it intelligently adjusts to protect and extend battery life while preventing overcharging. Safety is also built in, with multiple protections against overheating, over-voltage, reverse polarity, and short circuits. Its ABS shell is also durable, flame-retardant, and designed to handle long-term use.
One reviewer said, “Very portable battery charger, takes up no space so you can always have it with you in case you need to charge it.” Another noted, "Easy to navigate [and] plenty of power."
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Others appreciate its simplicity and display. One review explained, “This battery charger is inexpensive, small with a nice digital display, and easy to use and understand. Definitely worth keeping in your trunk or glove box in case you need it.”
As one happy customer put it, “It's the best investment that I have ever made! I wish I had known about it sooner because I would have purchased it a long time ago. I am very pleased with it [because] it has saved my bacon many times.”
Discounts this big don’t tend to last, so visit Walmart’s site today and pick up the Xueyu Car Battery Charger for just $21 while it’s still on sale for nearly 60% off.
This story was originally reported by Autoblog on Aug 23, 2025, where it first appeared in the Deals section. Add Autoblog as a Preferred Source by clicking here.
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