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Rolls Battery - Parallel and Series Connections; Voltage Increase Example

Rolls Battery
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Wire Gauge Size Amperage
14 25
12 30
10 40
8 55
6 75
4 95
2 130
1 150
00 195
0000 260
Table 1 – Wire gauge sizing
FLOODED LEAD ACID TERMINALS
Terminal connections should be tightened to 25 ft/lbs or 33 Nm for all terminals.
AGM Terminals Torque N.m
Button Terminal (M8) 9.6-10.7
Button Terminal (M10) 12.2-14
AP 5.6-7.9
LT 9.6-10.7
DT (AP and stud terminal) 5.6-7.9
M6 (TP08) 3.9-5.4
M8 (TP08) 9.6-10.7
PARALLEL/SERIES CONNECTIONS:
Certain applications demand more voltage or more capacity than one battery’s output.
By arranging the connection configuration, one is able to increase the output voltage,
output capacity or both if needed.
To increase voltage, connect the batteries in series as shown in Figure 1.
EXAMPLE:
Battery Voltage = 6V each
Battery Capacity = 400 AH each
System Voltage = 12V
System Capacity = 400 AH
Figure 1
Voltage Increase
3
-
-
+
+