Battery life

The following lists the battery life(*1) for alkaline and rechargeable batteries by REC Mode.

Alkaline battery life

(Measured with continuous use of the Sony LR03 (size AAA) alkaline batteries.)

REC Mode Recording Playback with the built-in speaker(*2) Playback with external headphones
LPCM 44.1kHz/16bit Approx. 40 hours Approx. 16 hours Approx. 37 hours
MP3 192kbps Approx. 55 hours Approx. 18 hours Approx. 43 hours
MP3 128kbps Approx. 57 hours Approx. 18 hours Approx. 45 hours
MP3 48kbps(MONO) Approx. 62 hours Approx. 18 hours Approx. 45 hours
Music file (MP3 128kbps) - Approx. 18 hours Approx. 45 hours

Rechargeable battery life

(Measured with continuous use of the Sony NH-AAA series rechargeable batteries(*3).)

REC Mode Recording Playback with the built-in speaker(*2) Playback with external headphones
LPCM 44.1kHz/16bit Approx. 34 hours Approx. 12 hours Approx. 29 hours
MP3 192kbps Approx. 40 hours Approx. 14 hours Approx. 34 hours
MP3 128kbps Approx. 41 hours Approx. 14 hours Approx. 34 hours
MP3 48kbps(MONO) Approx. 47 hours Approx. 14 hours Approx. 34 hours
Music file (MP3 128kbps) - Approx. 14 hours Approx. 34 hours

*1 Measured value by the standard of JEITA (Japan Electronics and Information Technology Industries Association). The battery life may shorten depending on how you operate the IC recorder.

*2 When playing back music through the built-in speaker with the volume level set to 27

*3 Depending on the country or region of your purchase, some of the optional accessories are not available.