Car Key Batteries

About our range of replacement car key batteries

Car key batteries typically last for around three to four years. So, if you’re noticing that your key fob seems slow, or won’t work at all, it might be time for a key fob battery replacement. Our range of replacement car key batteries at Halfords covers all of the common car brands you’re likely to find on UK roads, so we’re almost guaranteed to have a battery that’s right for you. If you already know exactly which battery you need, browse our range above.

Energizer coin battery

Energizer coin batteries are a go-to option for car keys. These lithium batteries are long-lasting, so you don’t have to worry about your car key running out of steam anytime soon.

What battery is right for my car key?

Different cars require different key batteries, so you can find out which suits your vehicle using the owner's manual. If you’re still unsure as to the right car key battery for you, just speak to one of our in-store experts, who will help you find exactly what you need.

How to replace a car key battery

Changing a car key battery can be a little tricky, and will vary model by model. Check your owner’s manual for specific instructions, or pop to your local store where one of our experts can advise you.

Halfords car key batteries

In addition to replacing your car key battery, you may also be interested in how you can upgrade your car’s security, or replace your car battery . At Halfords, we have everything to keep you on the move safely.