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I use mine quite a bit (two to three times a week), and I'm still on the original battery after roughly 15 months.
Sorry, there was a problem. Please try again later.Hi David, Sony's commitment to customer satisfaction is our top priority. Thank you for the question. There is not absolute time amount for this unit because it will vary depending on brand of the battery you use for this kit. Thank you for choosing Sony. -Linda Sony Social Support
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