TYPICAL PEUKERT'S EXPONENTS

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

26