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The array of batteries available today can make it confusing to select the right one for your needs. Besides battery size, you also need to consider battery type and performance. We’ve put together a guide comparing the performance of common batteries such as AA, AAA, C, D and 9V, to help you make an informed choice. For other batteries, check out our specialty and coin battery guide.
Understanding the different battery types and their performance, for example lithium and alkaline batteries, will help you identify the right choice. Learn which ones last the longest, which ones are best for high-powered devices, and more.
Longest lasting batteries with leak resistance and superior performance in extreme temperatures. Ensures your high-drain devices operate at their peak performance and helps you stay powered longer. Holds power in storage the longest compared to other types of batteries. Lighter than standard alkaline batteries.
Longer lasting batteries that are designed to protect against damaging leaks when left in low-drain devices. Great for mid to high-drain devices. Holds power in storage longer than mid-level and low-level alkaline batteries.
Long-lasting batteries designed for everyday use and best suited to mid-drain devices.
Designed for everyday use in low to mid-drain devices.
Economical option suitable for everyday use in low drain devices.
Here are the most common battery sizes and what they're typically used for.
Remote controls, calculators, digital thermometers, noise cancelling headphones, voice recorders, cameras, UFH radios, weather stations, smart thermostats, smart scales, mailroom scales, blood pressure monitors, personal groomers, handheld games and controllers, toys
Buy AAA batteries
Remote controls, wireless mice, wireless keyboards, torches, clocks, safes, smart scales, smart thermostats, security cameras, label makers, disposable cameras, UHF radios, weather stations, motion sensors, toys
Buy AA batteries
Portable radios, torches, air fresheners, toys
Buy C batteries
Portable stereos, wireless door chimes, automatic paper towel dispensers, automatic soap dispensers, toys
Buy D batteries
Make your batteries last longer with these simple tips.
Alkaline batteries that are depleted or exposed to extremely high temperatures may leak, discharging a fluid which is caustic and can cause respiratory, eye and skin irritation. This liquid eventually forms a 'white fluff' on batteries and corrodes the battery compartment, which could ruin the device.
Any leaking batteries should be immediately removed and disposed of properly.