Trojan Flooded - Page 21

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USER’S GUIDE
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Table 6
Deep-Cycle Gel Batteries - Charger Voltage Settings
**
System Voltage 6 Volt 8 Volt 12 Volt 24 Volt 36 Volt 48 Volt
Bulk Charge (2.40 VPC) 7.20 9.60 14.40 28.80 43.20 57.60
Float Charge (if desired 2.25 VPC) 6.75 9.00 13.50 27.00 40.50 54.00
** Gel batteries should always use temperature compensated charging per the following rule:
5.0 mV per cell / °C or 2.8 mV per cell / °F
Subtract 0.005 volt per cell from the voltage reading for every 1°C above 25°C, or add 0.005 volt per cell for every 1°C
below 25°C. Subtract 0.0028 volt per cell for every 1°F above 77°F, or add 0.0028 volt per cell for every 1°F below 77°F.
The chart below illustrates a typical recharge prole:
Diagram 6
Recommended Trojan Deep-Cycle Gel Charging Prole
Note: Charging time will vary depending on battery size, charger output, and depth of discharge.
Voltage
(per cell)
Current
(Amps)
2.40V
(@25°C, 77°F)
Charge Current
Charge Voltage
20% 80%
100%
State of Charge (%)
10-13% C
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