• This Doublepow battery has an AA size that can be used on electronic devices or objects that require battery power.

• Rechargeable: This battery is rechargeable so you don't have to bother changing the battery every time it runs out.

• Protective and Safety

• This AA battery has a smart protection layer called LSD or Low Self Discharge which is specially designed to avoid explosion or short circuit when overheated and short circuited. And you don't need to worry, this battery will not be harmful to the environment when disposed of, because it is guaranteed and has been tested to be mercury-free.