BT-02 Rechargeable Li-ion Battery for Q4 / Q4n
The BT-02 is a rechargeable lithium-ion battery for the Q4/Q4n Handy Video Recorder. Battery life is approximately three hours when shooting video at 720p/30fps, or two hours when shooting high-definition 1080/30fps video. You can use it as a spare battery for your Q4/Q4n.
Specs
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