Portable Battery Pack to open garage door motor

Boris Becker

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Mar 23, 2012
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Hi Guys

I have 4 single garage roller doors at our office. Motor is 100W max power. Power cord is normal 3 pin plug. Opened once in the morning and closed once at night. So not much power required.

The motors are some Australian make (Automotive Doors). The manual override lever is broken on all the doors (no replacement part available apparently), so when there's no power, there's no way to open it manually. The motors all work perfectly, so I'm looking at (cheaper) alternatives to replacing all the motors with new ones (which have back up batteries). Any suggestions for a solution which kicks in automatically with a cost of under R5000 will be appreciated.

That's the long term but for now, I'm looking for some sort of portable battery pack which I could use to open/close the garage doors once a day if there's no power. Another option is getting an inverter with the connection which plugs into the car cigarette lighter, but I was thinking if there was a portable battery pack with a 3 pin plug point for under R1000, that would be the preferred option. If you know of any, please post the links as well as the links to an online store selling a decent inverter (300W or less with a 3 pin plug point should be fine).

Thanks in advance
 

Boris Becker

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Mar 23, 2012
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I'm a total noob when it comes to this stuff.

How much is a UPS big enough for the motors? Would I have to put in inside and connect it to the motors or can it be placed outside?



Here are the specs of the motors according to the manual

Automatic Technology Shedmaster GDO-8

POWER
Input Voltage: 230-240V ac 1 phase
Transformer ratio: 72VA
Standby power: 2.8W
Motor type: 24V dc permanent magnet
Motor power: 100W
Peak driving force: 550N
 

Goobie

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May 22, 2004
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1,570
Very easy to do. Plug UPS into power outlet and plug garage door's plug into the UPS. You will most likely need a plug conversion as most UPS output plugs are not standard 3 prong female plugs. Read this for more on that:
http://mybroadband.co.za/vb/showthread.php/675801-Powering-things-with-a-UPS

You won't need a very fancy UPS but I would suggest borrowing one from somebody to see if the startup current of the motor can be handled by the UPS.
 

Boris Becker

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Mar 23, 2012
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Thanks for the replies. Appreciate it. I will look into the UPS.

If anyone has links to any good articles or forum posts about this topic, please post.
 

upup

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Jun 1, 2009
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a Friend got the same motor. I am going to fit a battery on it. The power supply supply huge amps for this motor.
 

upup

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Jun 1, 2009
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What do you mean? Will a ups work?

How much would your battery solution cost?

2 Batteries, plus container, plus about 3 diodes and some wire.


a ups will work, but it needs to supply power for 3 hours, unless you can trigger it, to only be on while door is operated.
 

bwana

MyBroadband
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Feb 23, 2005
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83,228
Huh? I'm totally lost. What do you mean?

It's always drawing power. You mentioned in an earlier post

Here are the specs of the motors according to the manual

Automatic Technology Shedmaster GDO-8

POWER
Input Voltage: 230-240V ac 1 phase
Transformer ratio: 72VA
Standby power: 2.8W
Motor type: 24V dc permanent magnet
Motor power: 100W
Peak driving force: 550N
Then add on whatever the receiver is using.
 

Boris Becker

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Mar 23, 2012
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Yip I do , but mines a 3kw ups for many other important applications as well.

If I purchase a 650VA (360W) UPS like this one (http://www.nivo.co.za/buy~proline.a650.650va.line.interactive.ups.upsa650.~p38658), will it be sufficient for me. I'll open each garage door once in the morning, one at a time. Will it work well?

What else will I need to purchase besides one/two of these multiplugs types depending on my needs? like http://titan-ice.co.za/multi-plug-iec-55-way-10-amp.html

So my understanding is I place the UPS inside plugged into wall socket, connect the multiplug to UPS and then connect each of the 4 garage door motors to the multiplug. When there is no power, I should be able to open the garage doors because they run off the UPS? Even if the power went off at say 6am, I will be able to open the garage doors at 9am?
 

upup

Executive Member
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Jun 1, 2009
Messages
8,098
When the power is off, a ups will only supply power as long as the battery got power. a normal computer ups will only supply power for enough time to switch off the computer.

So if the power is off, start ups. operate door, switch ups off. switch ups on, operate door, switch ups off.

Thank you.
 

alanB

Senior Member
Joined
Feb 18, 2008
Messages
587
Am I allowed to link to my own website?

We have just posted a simple battery back-up kit that is aimed at this sort of thing.

It includes a 70Ah battery, intelligent battery charger and a plastic battery box. It was designed to supply power to an alarm or electric fence for 3-6 days in the event of a prolonged power failure. We used that size battery because a) it was available b) it would be more than sufficient so it should not need to be discharged too deeply each time so it should last a long time.
 
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