Does this machine have or need battery backup, or does info/hours get sent to software in real time?
449236
The device does not need an external battery backup. It holds internal data in the event of an external power loss. It can be configured to send data to the software in either real time or when polled by the host computer. In the case where the data is being sent in real time, if the connection to the host computer is lost, the device continues to operate and store the data internally until a connection with the host computer can be re-established.
1722536
I just leave it connected to my computer and backup once a day using time machine. There's no charge that I'm aware of for the cloud back-up.
1333818
The software is meant to systematically shutdown your computer should power fail and backup battery becomes depleted. It will not email you of status.
1483795
No battery backup as the other responses indicated already. It's worth mentioning that there is some sort of memory function so that it "remembers" the temperature setting when the power does come back on.
837129
Battery is for the clock to keep accurate time in the event of a power failure. The program will remain even if the battery dies.
1425015
As someone else replied, this has no battery backup. The description must not be clear on that. Others have asked the same question, and I had to replace when found that there was nowhere to put the 9v, which is local code.
283537
It does not have a battery. I'm not a computer genius, so I can't tell you how it manages to work without a battery, but I know that it does. No need to worry about replacements :)
643926
Yes, there is built in backup. I don't know how long it will last, but definitely long enough for the typical power outage. Mine has been unplugged for over a day now and the display is still working (unlike the timer itself, which is permanently off, and ready for recyling).
1332081
Mine had a battery already, I did have a little trouble starting out, but once I went on line and went through the soft ware set up, it all worked fine.
61401
It is a desktop computer. It runs on AC, not battery. So, I guess the battery life is zero.
1504777
Dear Florida, I looked through the owner's manual, and I can find no reference to a backup battery. I have experienced several power outtages, and all settings including time and date were preserved each time. Willy seems to have had a different experience with losing time and date, so you're left to figure out which one answers your question. Have you called/written Rainbird? That would give you your most authoritative rather than anecdotal answer. I've had nothing but good performance from my unit which I've had for nearly 3 years. The manual one-zone-at-a-time limitation has not been an issue for me, but I can understand it could be annoying for some.
134601
Not sure, I replaced the battery because the laptop would not hold a charge overnight while is was "asleep" Now it does. I usually do not clock the battery. I also added 16 Gig RAM and parallels running Win7. I have been happier with the laptop since I upgraded the battery.
885947
Depends on how much power you are drawing. I have my desktop PC, monitor, router and cable modem on battery backup. All I want is time to save what I am working on and shut down properly. Around 10 minutes would be fine with me, but I haven't tried to test it.
569651
The Battery backup software for the PC "Power Chute" Has some options but I have not tried any of themhere is a screen shot https://www.dropbox.com/sh/5xamybv3xbdacvh/AADJ-b3N3jjzqZvfWP7FYbNCa
207487
Doesn't have the battery but somehow it keeps memory for short, 30 min power los. I have checked this feature.
1825913
Below is what the tech specs say about loss of power. There is no replaceable battery that I see. I suspect it the local time is saved via a capacitor type back up and the other settings are stored permananetly any time you set them. I have only reset mine once and that was because I wanted the light to come on later because of holiday deco's on the porch. Power outage: The screen is blank. Only the time must be set if the outage lasts more than 4 hours; all other settings and programs are permanently saved.
1188925
Its has a built in battery. Nothing to worry, all data will be in safe for longer time period. I can't say exactly how long. But I can tell you a clue. It took 21 days to come this unit by post to Sri Lanka and at the time of receiving power is ON. which means this will last over 21 days without any problem. But There is one thing I could't check.. Most important thing. Most of the timers have that issue. If the power goes off when it is ON state and power resumes after OFF time. It will resume the power back because its relay is already on and couldn't go to OFF status when there is no power. In that case it will work when we don't want. So it is a problem for most of the times. So far never seen a one which will override that issue. Unfortunately I couldn't test this unit for that fault. Thanks !