Nokia X1-01 battery BL-5J

The Nokia X1-01 has two SIM cards, both active at the same time. Compared with the Nokia C1-00, it has several key improvements, like dual-standby, microSD card slot, MP3 player and dedicated music keys.

The Nokia X1-01 uses a 1320mAh Li-Ion battery (BL-5J) which is quoted at up to the unbelievable 43 days of stand-by or up to 13 hours of talk-time. That's even more impressive when you consider that this is a dual-standby phone. Music playback time is quoted at 36 hours. Here are battery details:

Type: Li-Ion
Voltage: 3.7V
Capacity: 1320mAh
Replace Code: BL-5J
Compatible with Nokia X1-01, X6, N900, C3, 5800, 5230