Do you want the economical and greener lifestyles? Maybe you should start from minor matter， and just like use the rechargeable batteries. Rechargeable batteries adopt universal standards， most of them suitable for cameras， toys and many other electronic devices. Except that， it features extensively long working life and high efficiency， great for use. And it is compact and rechargeable， so you can carry it anywhere anytime， convenient to use. The number of charge cycles is about 1000 times， durable and reliable!                                    Features            New batteryHigh quality and durableProvides excellent continuous power sources to your deviceHigh energy density， long life batteryThis battery has an extra long life for all your battery powered devices                                                            Specifications            Battery Type    Ni-MH USB Rechargeable Battery    <br>Model    AA    <br>Voltage    1.2V    <br>Capacity    14500mAH    <br>Interface    USB    <br>Charge Time    5-7 hours    <br>Rechargeable Time    1000 times    <br>Quantity    2 Pcs    <br>Dimensions    1.93 x 0.55" / 4.9 x 1.4 cm (L x Dia)    <br>Color    Red Black White    <br>Weight    1.55 oz /44 g    <br>LED Indicator    Light On (charging)， Light Off (charged)     <br>                                                            Package Includes            2x 1450MAH Ni-MH 1.2V USB Rechargeable Battery                                                            Extra Info            Extra Info:<br>1.In case of danger， do not make it short-circuit distance or place it under high temperature<br>2.Avoid using Ni-MH batteries with ordinary dry-cell batteries<br>3.Do not use Ni-MH，Ni-Cd with different capacities and models<br>4.If you don’t use the battery for a long time， please put it in a dry and cool place and make it full charged once every three months<br>5.For a new battery， it is better to full charge it bafore using<br>