Sennheiser ew D1-835-S System Manual page 52

Specifications
In compliance with:
Handheld transmitter
50
Korea
Russia
Optional accupacks
BA 10
Charging capacity
Output voltage
BA 30
Charging capacity
Output voltage
Europe
USA/Canada
Japan
Korea
UN transportation test
Certified by:
USA/Canada
Japan
Korea
Dimensions
Receiver
KTL SU 10524-13002
(NT 2-3 only)
ME95
2,200 mAh
3.6 V
2,030 mAh
3.7 V
EMC EN 301489-1/-6/-17
Safety IEC/EN 62133
Rechargeable
battery cells UL 1642
Accupack UL 2054
DENAN Ordinance Article 1;
Appendix 9 Lithium Ion
Safety K 62133
according to UN Manual of Tests and Criteria,
Part III,
section 38.3 Lithium-Ion batteries