The BT-03 is a rechargeable lithium-ion battery for the Q8 Handy Video Recorder. Battery life is more than two hours when shooting video at 720p/30fps. In audio recording-only mode, battery life is extended further still. You can use it as a spare battery for your Q8.
Specifications - Maximum Voltage: DC 4.2V - Nominal Voltage: DC 3.7V - Capacity: 1700mAh
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