Battery Type: Li-ion Polymer battery
Capacity: 350mAh
Nominal Voltage: 3.7V
Pack Dimension: 5.0 x 20.5 x 37.0 mm
Weight: 10g
Working Temperature: Less than 60?(140?)
Compatible Models: Sennheiser Flex 5000, RS 5000, Set 880
Compatible Bat1tery Models: AHB571935PCT-03, BAP 800