Amazon is selling an 'amazing' $36 car battery charger for just $18, and shoppers say it's a 'game changer'

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Amazon is selling an 'amazing' $36 car battery charger for just $18, and shoppers say it's a 'game changer' originally appeared on Autoblog.

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When it comes to inconveniences on the road, nothing is worse than a dead car battery. While most of the time this incident is unavoidable, you can still be prepared when it occurs. That's why we were excited to find the Nexpeak Car Battery Charger on sale at Amazon for 50% off its original price.

Right now, shoppers can grab this must-have device for just $18. With over 2,300 five-star ratings and over 2,000 sold within the last month, you'll want to grab this battery charger ASAP.

Nexpeak Car Battery Charger, $18 (was $36) at Amazon

This battery charger is extremely compact and can be thrown into the trunk of your car for easy access. It measures 3.3 inches wide and 2.4 inches high, and weighs just 16 ounces. Although this device cannot charge completely dead batteries, it can help avoid battery failure in advance. It can charge or repair most 12-volt lead-acid batteries found in cars, motorcycles, lawn mowers, boats, and more. Plus, it's ideal for batteries that have been sitting unused for long periods of time.

One shopper wrote, "This car battery charger is a game changer! The 12V 6A capacity is perfect for quickly and efficiently charging and maintaining my classic car battery. I love the smart features, especially the temperature compensation, which ensures optimal performance regardless of weather conditions. It’s also incredibly easy to use, with clear indicators and an intuitive design that even non-experts can handle."

A second reviewer said, "Easy to use. Very handy. A must-have." While another added, "This device is amazing."

You'll feel safe knowing the features that are included in this battery charger. No matter the temperature outside, the device offers smart control, and temperature compensation, as well as cooling, reverse, fireproof, overcharge, and short circuit protections. The charger uses a large LCD screen to display the battery status, inside temperature, charge percentage, and more.

Related: Amazon is selling a ‘lightweight’ $50 fuel transfer pump for $27, and shoppers say it ‘worth every penny’

A fourth customer wrote, "This battery charger is very easy to use with the four different settings. I love the small screen that shows what the charger is doing. It is small and could be easily stored in the vehicle if needed."

Stay ready for anything with this $18 car battery charger. It'll give you peace of mind and prepare you for whatever comes your way.

Amazon is selling an 'amazing' $36 car battery charger for just $18, and shoppers say it's a 'game changer' first appeared on Autoblog on Jul 7, 2025

This story was originally reported by Autoblog on Jul 7, 2025, where it first appeared.