Nikon COOLPIX S550 Repair Manual page 104

Items
Electric characteristics
Regulation for the
battery "half" mark
Judgment standard
Rate of battery "half" indicator appearing relative to the maximum
number of shots.
・ 85 ± 5 % (23℃ )
・ 65 ± 10 % (10℃ )
- R ･ S550 -
INC
VMA21024-R.3750.A
Remarks
Constant voltage
power supply
Ammeter