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.                                    Features                New battery<br>
    High quality and durable<br>
    Provides excellent continuous power sources to your device<br>
    High energy density, long life battery<br>
    This battery has an extra long life for all your battery powered devices<br>
                                                            Specifications                        Battery Type     Li - on rechareable battery    <br>
          Model     CR2 / 15270    <br>
          Voltage     3.0v    <br>
          Capacity     800mAh    <br>
          Charge Time     About 6hours    <br>
          Weight     0.85oz / 24g    <br>
          Dimensions     2.7 x 1.5cm / 1.06" x 0.59" (H x D)    <br>
                                                             Package Includes                2 x UltraFire 15270 / CR2 3V 800mAh Li - on Rechargeable Batteries<br>
                                                            Extra Info            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&acute;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 before using<br>