The BTY Ni-MH rechargeable AA 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. It is compact and rechargeable so you can carry it anywhere anytime convenient to use. The battery is really durable and reliable. - Brand: BTY - Size: AA - Voltage: 1.2V - Capacity: 3000mAh (actual 1800mAh) - Rechargeable Ni-MH batteries - Great for your remote controller toy radio clock etc. - Comes as 4 pieces of battery each pack