Rechargeable AA battery packs are a convenient option for many uses

If you're replacing AA batteries regularly, you may be overdue for a rechargeable. Regular alkaline batteries can leak over time and self-discharge in tiny increments. However, rechargeable batteries can last for nine years or longer, and don't leak.

Rechargeable batteries are a great option for a variety of devices, such as cell phones and remote controls. They can also be used in small appliances like baby monitors and cordless phones. Generally, these batteries are sold in multiples of two or four cells and come with chargers.

Some batteries are dangerous if misused or have substandard cells. You should never try to use a new AA battery alongside a drained one because this can reverse polarity and cause problems. If this happens, AA batteries will typically burst with a loud "pop" sound and corrosive materials.

Rechargeable AA battery packs are a convenient option for many uses. These battery packs combine a number of identical AA cells into a single larger battery, and are a great solution for devices that require multiple batteries. Using rechargeable battery packs can be more convenient for the user, as they don't have to be thrown away after a single usage. These batteries are also much safer for the devices they power.

You may also use a standard non-rechargeable AA battery. These batteries are readily available, and are very cheap. They can be used in a wide variety of low-drain devices. The battery's shelf life and capacity are both very variable, so it may not be the best option for everyday use.