Xantrex Technology Link 2000 Marine Instruments User Manual


 
26
The following table contains values for the exponent "n" for various batteries and
manufacturers. They are calculated from the 20-hour rating and the Reserve Minutes @
25 A as supplied by the manufacturer. Page 27 shows how the calculation is performed.
You may choose a battery of similar size and construction as a guide in selecting "n" if
your battery does not appear in this table, or you may calculate "n" as shown.
Typical Values for Peukert's Exponent "n"
Prevailer & SeaGel Batteries
Model Volts Res. Min. 20-Hr. Rating "n"
8GGC 6 375 180 1.14
8GU1 12 140 43 1.20
8GU24 12 130 70 1.13
8GU27 12 167 86 1.12
8GU30H 12 188 95 1.12
84D 12 388 180 1.11
8G8D 12 500 225 1.10
Trojan Batteries
Model Volts Res. Min. 20-Hr. Rating "n"
T-105 6 447 225 1.24
T-125 6 488 235 1.19
T-145 6 530 244 1.14
J250 6 535 250 1.17
J305 6 660 305 1.21
L16 6 760 350 1.28
24TM 12 135 85 1.23
27TM 12 160 105 1.28
30XHS 12 225 130 1.24
SCS225 12 225 130 1.24
EV8D 12 450 216 1.17
TYPICAL PEUKERT'S EXPONENTS