Copyright © BEP Marine Limited, All rights reserved
Product version: DCM3.2
Page 11
Date: 12/05/05
NB: 0.01 change to Peukerts can make a reasonable change to calculated discharge. Alter in small steps.
For example, 100 Amps for 1 hour = 100Amp hours. Using Peukert’s exponent of 1.25, An x T, 1001.25*1=316
Amp hours. A 25% exponent change makes 316% change.
Calculating exponent “n” from discharge cycles is the only way to achieve an accurate discharge exponent.
This meter comes with a factory set exponent of 1.25, which is a “rough average for deep cycle flooded lead
acid.
If you do not wish to calculate “n” use the tables below to select a typical “n” for your battery type.
Model
Volts
20 Hr rating
"n"
8GGC
6
180
1.14
8GU1
12
43
1.20
8GU24
12
70
1.13
8GU27
12
86
1.12
8GU30H
12
95
1.12
84D
12
180
1.11
8G8D
12
225
1.10
Model
Volts
20 Hr rating
"n"
R220
6
225
1.24
L16
6
350
1.28
US105
12
85
1.23
US130
12
130
1.24
US240
12
216
1.17
VALVE REGULATED GELLED BATTERIES
ENDURANT (US BATTERIES) FLOODED BATTERIES
Type
Absorb
Amps
Float
Amps
A/Hrs (NZ)
L16
14.47
11.00
13.50
3.00
350
R220
14.53
6.60
13.50
3.10
220
US105
14.60
3.00
13.60
1.60
90
148/17
14.58
3.30
13.60
1.60
90
US130
14.50
3.00
13.80
2.00
115
US240
14.40
7.40
13.80
4.40
210
Full charge analysis sheet
"A/Hrs NZ" -means estimated A/Hrs in NZ conditions
