Just got a refurbished iriver 320, US firmware. Seems to shut off after 5-10 minutes. Managed to install Rockbox (after a few attempts due to powering itself off) and run the battery benchmark plug-in. These are the results:
Battery type: 1300 mAh Buffer Entries: 1000
Time:, Seconds:, Level:, Time Left:, Voltage[mV]:, M/DA:, C:, S:, U:
00:03:28, 00208, 084%, 00:24, 4190, 0001, A, C, -
00:04:41, 00281, 084%, 00:24, 4190, 0001, -, -, -
00:04:45, 00285, 100%, 08:57, 4170, 0002, -, -, -
00:04:53, 00293, 095%, 08:31, 4130, 0001, -, -, -
00:05:09, 00309, 092%, 08:14, 4100, 0001, -, -, -
00:05:18, 00318, 088%, 07:53, 4070, 0001, -, -, -
00:05:42, 00342, 084%, 07:31, 4030, 0001, -, -, -
00:05:46, 00346, 082%, 07:21, 4010, 0002, -, -, -
00:05:50, 00350, 080%, 07:10, 3990, 0003, -, -, -
00:05:58, 00358, 078%, 06:59, 3980, 0004, -, -, -
00:06:02, 00362, 077%, 06:54, 3970, 0005, -, -, -
00:06:06, 00366, 075%, 06:43, 3960, 0006, -, -, -
00:06:14, 00374, 074%, 06:38, 3950, 0007, -, -, -
00:06:30, 00390, 072%, 06:27, 3940, 0008, -, -, -
00:06:46, 00406, 071%, 06:21, 3930, 0009, -, -, -
00:07:18, 00438, 070%, 06:16, 3920, 0010, -, -, -
00:07:26, 00446, 071%, 06:21, 3930, 0011, -, -, -
00:07:30, 00450, 070%, 06:16, 3920, 0012, -, -, -
00:07:46, 00466, 068%, 06:05, 3910, 0013, -, -, -
00:08:06, 00486, 067%, 06:00, 3900, 0014, -, -, -
00:08:10, 00490, 068%, 06:05, 3910, 0015, -, -, -
00:08:38, 00518, 067%, 06:00, 3900, 0016, -, -, -
00:08:46, 00526, 065%, 05:49, 3890, 0017, -, -, -
00:08:54, 00534, 064%, 05:44, 3880, 0018, -, -, -
00:09:06, 00546, 062%, 05:33, 3870, 0019, -, -, -
00:09:26, 00566, 057%, 05:06, 3840, 0001, -, -, -
00:09:50, 00590, 050%, 04:28, 3810, 0001, -, -, -
Is this just a bad battery? Or something else?
Thanks