Battery life

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

Alkaline battery life

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

REC Mode Recording Playback with the built-in speaker Playback with external headphones
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 NH-AAA rechargeable batteries.)

REC Mode Recording Playback with the built-in speaker Playback with external headphones
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

* Measured values acquired under our measurement conditions. These values may decrease depending on the usage conditions.