Maybe you should start from minor matter, and just like use the 4pcs 3500mAh 1.2V Ni-MH AA Rechargeable Battery + Battery Box Yellow. 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 battery
• High quality and durable
• Provides excellent continuous power sources to your device
• High energy density, long life battery
• This battery has an extra long life for all your battery powered devices

Specifications

Package Includes

• 4 x UltraFire 3500mAh 1.2V Ni - MH AA Rechareable Battery + Battery Box Yellow
• 1 x Battery Box

Extra Info

• 1. In case of danger, do not make it short-circuit distance or place it under high temperature
• 2. Avoid using Ni-MH batteries with ordinary dry-cell batteries
• 3. Do not use Ni-MH, Ni-Cd with different capacities and models
• 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