Graupner Hendheld RC 2.4 GHz No. of channels: 12 33124 Data Sheet

Product codes
33124
Page of 296
48
Installation notices
for example,  NiMH batteries. LiPo batteries are also 
available in hard plastic casings to protect them from 
mechanical damage.
The comparatively high nominal voltage, 7.4 V, for a 
2-cell LiPo pack does not present a problem for either 
Graupner HoTT receivers nor for those servos, speed 
controllers, gyros and other devices which have been 
specifi cally approved for operation in this  – higher –  
voltage range. Please note however that practically 
all servos, speed controllers, gyros and other 
devices built in the past and most such devices 
currently still offered on the market have only a 
permissible voltage range of 4.8 to 6 V.
 Use of these 
batteries in conjunction with these devices demand use 
of a stabilized voltage regulator, e. g. the PRX, Order 
No. 4136, see appendix. Otherwise there is danger that 
attached devices will incur damage within a short period 
of time.