External 12 Volt Supply For The HMC-150 ????
- Thread starter BobDiaz
- Start date
Bob you could get one of those cigarette lighter adaptors that step the car's 12 volts to lower voltages.
From my rudimentary experiments, as long as you can get a clean 7 to 7.8 DC volts into the camera via the DC Coupler there should be no problems, although you will need some way of telling what your remaining battery capacity is because as far as the HMC is concerned it is running of Mains Power. I've been using Global Media Pro batteries that have a 4 stage LED level meter - but then you really need to get the voltage in the right ballpark because most of the aftermarket 7.4V batteries actually pump out between 8 to 9 volts and the camera will reject them.
From my rudimentary experiments, as long as you can get a clean 7 to 7.8 DC volts into the camera via the DC Coupler there should be no problems, although you will need some way of telling what your remaining battery capacity is because as far as the HMC is concerned it is running of Mains Power. I've been using Global Media Pro batteries that have a 4 stage LED level meter - but then you really need to get the voltage in the right ballpark because most of the aftermarket 7.4V batteries actually pump out between 8 to 9 volts and the camera will reject them.
adolgin
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Barry_Green
Moderator
Not gonna work easily; the HPX170 and HMC150 don't have a separate DC IN jack.
You could hack something together by using an inverter between your battery and the AC power supply, I guess...
You could hack something together by using an inverter between your battery and the AC power supply, I guess...
adolgin
DVXuser Sponsor
What about the dummy battery cable/DC cord? The HMC150 hopefully would accept 7.2V source through it?
You don't need a separate DC input socket on the camera, all you need is to splice a female inlet onto the DC coupler cable that comes with the camera.
Then, as I've said previously you can feed the camera with any clean stable DC voltage within the range of 7 to 7.9 volts.
This is definitely an extreme method which I'm using while I wait for FullCompass to give me a quote on batteries & shipping.
ESTEBEVERDE
Veteran
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1. First find the optimum voltage for your device. You can find this in your manual, by reading the direct DC output of the power supply provided by the manufacturer, and my measuring the voltage on a relatively new fully charged manufacture battery.
2. Identify the connection required.
Note Size and Polarity!
Do not take this lightly.
Measure 4 or 5 times and solder once. ;-)
3. Get a High Quality Sealed Lead Acid Battery
4. Place the appropriate FIXED step-down dc/dc converter. I do not recommend using an adjustable or user selectable one. To much margin for error and poof!
5. Make sure you have the appropriate fuse in line between the converter and device.
6. ENJOY!
I personally like to use U1 SLA Wheel Chair Batteries.
They seem to work great and take a good deal of abuse.
Love you to pieces!
1. First find the optimum voltage for your device. You can find this in your manual, by reading the direct DC output of the power supply provided by the manufacturer, and my measuring the voltage on a relatively new fully charged manufacture battery.
2. Identify the connection required.
Note Size and Polarity!
Do not take this lightly.
Measure 4 or 5 times and solder once. ;-)
3. Get a High Quality Sealed Lead Acid Battery
4. Place the appropriate FIXED step-down dc/dc converter. I do not recommend using an adjustable or user selectable one. To much margin for error and poof!
5. Make sure you have the appropriate fuse in line between the converter and device.
6. ENJOY!
I personally like to use U1 SLA Wheel Chair Batteries.
They seem to work great and take a good deal of abuse.