Battery disposal
• The empty, completely flat batteries must be disposed of using
specially designated collection boxes, recycling points or electron-
ics retailers. You are legally required to dispose of the batteries:
• The codes below are printed on batteries containing harmful
substances:
Pb = Battery contains lead
Cd = Battery contains cadmium
Hg = Battery contains mercury
11. TECHNICAL SPECIFICATIONS IN
ACCORDANCE WITH IEC 60118-7:2005
Type
Max. sound pressure level (OSPL90) ≤ 128 ±3 dB
Sound amplification
Frequency range
Overall harmonic distortion
Power supply
Charging time
Operation period
Dimensions
Weight
HA 55
≤ 50 ±3 dB
500 – 3200 Hz
≤ 10%
≤ 10 mA
7 – 10 hours
16 hours
40 × 13 × 10 mm
4.3 g
43