The BP-920 is a rechargeable lithium-ion battery designed for exclusive use with the conference units TS-821, TS-822, TS-921, and TS-922.
|Nominal Voltage||7.4 V DC|
|Nominal Capacity||1700 mAh|
|Operating Temperature||0 °C to +40 °C|
|Operating Humidity||90 %RH or less (no condensation)|
|Dimensions (W x H x D)||71.6 × 20.4 × 37.6 mm|