24 volts questions
- Thread starter toynut
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Most Aussie HJs are 12V. 24V are pretty rare on Cruisers in OZ. Maybe it is a hot climate/cold climate thing for the glow plugs,etc.
toynut said:
As others have mentioned, there are versions both 12V and 24V.
24V is a much more efficient voltage to use. It is easier on the entire system. 24V is the cold weather NATO spec for a reason. 1/2 the amperage is needed in 24V vs 12V applications. Winch motors, starter motors, long runs...etc all are more efficient with 24V. 36V is even more so.
hth's
gb
Last edited:
Is there some sore of converter you can get to run 12V things on a 24V system? Maybe something that plugs into the cigarette lighter?
GregFrench said:
Here is one such method of supplying 12V for accessories. There are other converters out there, some cheaper and some more expensive. Some simpler, and some more refined. Do a search in this section and there is plenty of reading. https://forum.ih8mud.com/showthread.php?t=33070
hth's
gb
What do you guys think of this? I'm thinking about getting one.
12 / 24 V @ 20 Amps Battery Equalizer and DC Autotransformer
Application
This rugged and versatile unit is used to power a small load at 12 V from a 24 V battery, or to power a small 24 V load from a 12 V battery.
It functions both ways, producing 12 V @ 20 Amps from a 24 V input or can be connected backwards to produce 24 V @ 10 Amps from a 12 V input.
When connected as a battery equalizer, it allows large transient 12 V loads to be taken off the centre tap of a 24 V battery (made of 2 X 12 V batteries) without fear of upsetting the voltage balance of the battery and destroying the 24 V battery system that would otherwise occur.
Model: EQ 12/24-20
Features
Input low side Input high side Input Voltage (nominal battery) V 12V 24V Output Voltage 24V 12V Output Current 10A
Current Limited 20A
Current Limited Ripple at load 30mV rms 30mV rms Efficiency >96% >96%
Voltage Regulation Mode
Proportional:
Enclosure:
Note: In the interest of continuous product improvement, specifications subject to change without notice.
Order Model No:
EQ 12/24-20 EQ 12/24-20 RXX where XX is the specified regulated voltage on the 12 V side March 2002
12 / 24 V @ 20 Amps Battery Equalizer and DC Autotransformer
Application
This rugged and versatile unit is used to power a small load at 12 V from a 24 V battery, or to power a small 24 V load from a 12 V battery.
It functions both ways, producing 12 V @ 20 Amps from a 24 V input or can be connected backwards to produce 24 V @ 10 Amps from a 12 V input.
When connected as a battery equalizer, it allows large transient 12 V loads to be taken off the centre tap of a 24 V battery (made of 2 X 12 V batteries) without fear of upsetting the voltage balance of the battery and destroying the 24 V battery system that would otherwise occur.
Model: EQ 12/24-20
Features
- >95 % efficiency, typically 96 % over 20 % load
- Simple to use
- Bi-directional power flow
- Weatherproof, NEMA 4 enclosure
Input low side Input high side Input Voltage (nominal battery) V 12V 24V Output Voltage 24V 12V Output Current 10A
Current Limited 20A
Current Limited Ripple at load 30mV rms 30mV rms Efficiency >96% >96%
Voltage Regulation Mode
Proportional:
- This standard unit regulates the output voltage proportional to 1/2 the input when connected 24 V input and regulates the output to 2 X input when connected 12 V input. This characteristic, when connected across 2 X 12 V batteries in a 24 V configuration, will keep the batteries at equal voltages.
- Special units are available for example EQ 12/24-20 RXX where XX is the voltage on the 12 V side that the voltage is to be regulated to. For example, EQ 12/24-20 R13.6 will output 13.6 V @ 20 amps to either power a 12 V load or charge a 12 V battery to 13.6 V.
Enclosure:
- Weatherproof, NEMA 4 enclosure
- 4.5" X 2.5" X 2" nominal, resembling a junction box with feet
- -40 deg C to 60 deg C
- It is recommended, as with all electronics, that the unit not be placed in direct sunshine
- 6" Flying Leads
- Red= High Input +
- Black= Common Neg. - for input and output voltage
- White= Low Input +
- Red, Black, White: Power leads #12 AWG
- N/A weatherproof
Note: In the interest of continuous product improvement, specifications subject to change without notice.
Order Model No:
EQ 12/24-20 EQ 12/24-20 RXX where XX is the specified regulated voltage on the 12 V side March 2002
PeterC said:
Specifically read posts #5 and #12 for pros and cons: https://forum.ih8mud.com/showthread.php?t=33070
You can get them here: http://www.gscruiserparts.com/solar.html
hth's
gb
You can find lots out there on the web.
Do a web search for "EQ 12/24-20"
Do a web search for "EQ 12/24-20"