The i30 rechargeable battery (1000mAh li-ion) can continuously working abount 75 minutes at the resolution of 1080p 30fps. It is just compatible with our ThiEYE i30, so you can use it as a spare or replacement battery for you camera. 1000mAh li-ion rechargeable battery for ThiEYE action camera i30 Use as a spare or replacement battery for your ThiEYE i30 Detachable and convenient to use Fits Camera Models : Wi-Fi action camera i30 Battery Type : Li-ion Voltage : 3.7v Capacity : 1000mAh