Expert Advice

Your car key fob has started playing up — you have to stand right next to the car and press the button three times, or the dashboard has flashed up a "key battery low" warning. The fix costs a couple of pounds and takes five minutes, but first you need to answer one question: which battery does your fob actually take?

There are few sounds more irritating than a smoke alarm chirping at 3am — and few more important to fix quickly. That intermittent beep is your alarm telling you something is wrong, and until you sort it, it may not protect you properly in a real fire.

Confused about coin cell battery sizes? Compare CR2032, CR2025, CR2016 and CR1632 batteries — dimensions, capacity, uses, and whether they're interchangeable.

AA batteries are the workhorses of the battery world — found in everything from TV remotes and wall clocks to children's toys and wireless gaming controllers. But not all AA batteries are created equal. Whether you're stocking up for everyday use or trying to figure out why your device keeps running flat, understanding the difference between alkaline, lithium, and rechargeable AA batteries can save you time, money, and frustration.

In this guide, we'll break down exactly how long each type of AA battery lasts — both in active use and on the shelf — so you can make the right choice for every device in your home.

Everything you need to know about 18650 batteries — what the numbers mean, protected vs unprotected, mAh ratings, common uses, and safe charging tips.

Batteries are essential for everyday electronics, from TV remotes and toys to smart home sensors and safety devices. Yet choosing the right battery — and using it correctly — can be confusing with so many sizes, chemistries, and claims on the packaging.

This guide answers the most common questions about batteries, helping you choose the best option from Maplin’s range of AA, AAA, rechargeable, lithium, coin cell, and specialist batteries.

Discover how to choose the best rechargeable batteries for 2026. Selecting the right battery can enhance performance and sustainability, and help you make an informed purchasing decision.

As the world becomes increasingly unpredictable, emergency preparedness is more important than ever. Natural disasters, power outages, and other crises can strike with little warning, leaving you vulnerable if you're not equipped. Thankfully, modern technology offers an array of tools to help keep you safe, connected, and informed during emergencies. In this guide, we'll explore the most useful emergency preparedness tech you should consider adding to your home emergency kit.

A Maplin battery subscription service allows you to save money while ensuring you never run out of power. Find out more in this article.

In the world of batteries and power banks, one term that often comes up is 'mAh'. But what exactly is mAh and how does it impact the performance of batteries? Why is it important to choose the right mAh for your device? In this article, we will delve into the details of mAh and explore its significance in the world of batteries.

Looking to replace the battery on your e-bike? If you’re concerned about which replacement to pick up, Maplin are here to help you find the ideal battery to keep yourself on the move.

Looking for a replacement battery for a golf trolley? Want to replace the heavy lead acid battery on a mobility scooter or wheelchair? A Lithium LiFePO4 battery might be exactly what you need! But what exactly is an LiFePO4 battery? And what is the difference between a Lithium Iron Phosphate (LiFePO4) battery versus a Sealed Lead Acid (SLA) battery?

Rechargeable batteries offer many advantages over single-use versions, but often come at a slightly higher price. So, what are the benefits of choosing rechargeable batteries? Maplin are here to help you learn more!

We’ve all been there – trying to work out what size battery we need to get our favourite gadgets up and running again. But if you’re baffled by batteries and stumped by sizes, we’ve put together a handy guide to help you find what you’re looking for at Maplin!