Common Reasons Why A Black And Decker 18V Battery Won’t Charge

Rechargeable batteries are used throughout most products, including power drills and vacuum cleaners. Homeowners who rely on Black & Decker 18 volt battery experience inconvenience and frustration whenever there’s a problem with the product. If you’re one of them, keep reading to learn the typical reasons why the battery on your Black and Decker cordless drill is not charging and be able to know how this could be fixed immediately.

Black and Decker cordless drill not charging: Some problems

If you notice that your black and decker battery not charging, it might have some problems. It is important to know these black and decker battery problems so that you can easily fix them.


The battery is not plugged into an outlet, or there’s a break in the circuit between the charger, battery, or cord.

Not enough voltage

There is not enough voltage coming from the circuit breaker or power strip. If you have other devices which require electricity on this circuit, figure out which device has priority first before trying to charge your Black and Decker 18V battery again.

Not in good condition battery

The battery may not be in good condition if you charge your device, but nothing happens. Chargers can test voltage output on batteries to see what level they’re at before charging them up again.

Faulty charger

Bad quality chargers have a short period in which they work and then stop working. This would make any device that’s plugged into the charger useless.

Dead indicator light

If you notice the indicator light on your charger isn’t working, diagnose and troubleshoot the issue. Remember that charging depends on how much juice is left in the power source.

Sensitive batteries

Batteries may not charge properly if it’s too hot or cold. Unplug the battery for around 15 minutes. If it’s too hot, connect to a charger again. Alternatively, you could move the charger to a heated room for an hour or two before trying again.

Dirt and corrosion

Dirt and corrosion on the charger’s contacts prevent electrical flow, but it’s easy to fix. First, unplug the charger for safety reasons and use a small screwdriver to scrape off any corrosion. Once they are both clean, try charging again.

Light’s out!

If the charger’s light is out, connect to a different outlet. A black and decker 18v battery may not charge because of a faulty electrical outlet.

Frequently Ask Questions

Is there a warranty for Black and Decker 18v Battery?

The Black and Decker warranty covers a 180-day part and labor warranty, especially if the batteries are over two years old. If your product isn’t working, they may fix or replace it with its equal or more excellent value.

What is the lifespan of an 18v battery?

The lifespan of a typical 18-volt battery ranges from one year to two years, depending on use and how often you recharge them. If you have an older Black & Decker cordless power tool less than two years and is not working, get in touch with the Customer Service Department for replacement under Warranty.

Is it worry-free if the battery is left unplugged?

The charger will power off automatically when the battery is fully charged. Allowing it to charge continuously causes issues such as overcharging or overheating.


The Black and Decker 18v battery life is an essential tool to power juice in your device. But, it would be frustrating if it didn’t charge. Thus, maintaining its terminals clean and free from corrosion is vital. Also, ensure that the charger is properly working and should match the 18 volts of your battery. Knowing these guides beforehand helps you save money, effort, and worrisome.

About the author, Phil Borges

Phil Borges is a battery aficionado. He's written extensively about batteries, and he loves nothing more than discussing the latest innovations in the industry. He has a deep understanding of how batteries work, and he's always on the lookout for new ways to improve their performance.