DIY Reef Tank Battery Backup

DIY Battery backup system. Not a tutorial - don't do as I do because this can be dangerous. Do your research on battery safety!

DIY Reef Tank Battery Backup sentiment_very_dissatisfied 11

Reef tank 8 years ago 6,986 views

DIY Battery backup system. Not a tutorial - don't do as I do because this can be dangerous. Do your research on battery safety!

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Most popular comments
for DIY Reef Tank Battery Backup

FL SHarkvictim
FL SHarkvictim - 7 years ago
HOW LONG DO YOU Get of your Ecotech pump off one battery - hour wise?
Yoshukai Tony
Yoshukai Tony - 7 years ago
what equipment you run with this???? are you connecting heater too that?????
Ed's Fish Tank Extreme
Ed's Fish Tank Extreme - 7 years ago
Nice video, I was curious were did you get your metal tank stand. And what size is your tank.
Ed's Fish Tank Extreme
Ed's Fish Tank Extreme - 7 years ago
Looks great for a diy project.
Klem Reefing
Klem Reefing - 7 years ago
The metal stand is a DIY project. Just bulk steel square pipe welded together. Its the only way to go as far as Im concerned. Leave lots of space under the tank. Its a 150 gallon acrylic tank with 65 gallons in the sump sections.
Ryan Looper
Ryan Looper - 7 years ago
Just out of curiosity, why did you go with the inverter as opposed to hooking it up to the battery backup port on the driver itself? It runs the pump at half power, but it would probably run for days on those batteries. It would also kick in automatically if the power went out when you were away.
Ryan Looper
Ryan Looper - 7 years ago
Klemmetsmo Reefing Yes, and it will run those pumps way longer than the ecotech battery backup. The only downside is it makes the pumps run at half speed.
Klem Reefing
Klem Reefing - 7 years ago
Ryan Looper
Ohhhhhhh! I follow you now! Have both plugged in! Excellent idea! Dude thanks!!!! I'm so doing that! Have you done this?
Ryan Looper
Ryan Looper - 7 years ago
Klemmetsmo Reefing When it is plugged in to the back up port it doesn't use power unless it loses power on the main power input. you could hook it directly to the batteries and leave it and the driver will automatically switch when it loses power. https://www.radioshack.com/products/radioshack-size-h-coaxial-dc-power-plug-2-pack?variant=20332098309 this is the plug to fit.
Klem Reefing
Klem Reefing - 7 years ago
You are correct - it does have the port for battery backup, as do my
Mp40s, but the plug size is different than that of the standard power
cable. Unfortunately though your assumption that the pump would
automatically turn on when the power when out is incorrect. This is
because the batteries, and the battery inverter, are not connected to
the power grid when this little battery backup system is idle. So
essentially once the M1 pump plug is unplugged from the grid, whether
the pump is in the power port or backup port, it is running on battery
power.
Im not saying that your idea isnt possible - only that for that to work i would need a battery controller and an appropriate sized true sine power inverter. One day Ill get that equipment, but right now I will survive with this :)
Ryan Looper
Ryan Looper - 7 years ago
Klemmetsmo Reefing , I may be wrong, since I don't own the pump myself. I have two MP 40s and they have a port to plug the battery backup into and since the drivers looked the same, I assumed they worked the same way. I may have been wrong to assume that. if they do have the smaller port for the battery backup, you can run then directly off of the batteries and it would probably last for a day or two. If it doesn't have that port, I stand corrected.
Klem Reefing
Klem Reefing - 7 years ago
Hey Ryan. This is going to sound stupid of me, but there is a "port" for that (like next to the regular power port)? I literally bought the pump and plugged it in. I went with this option because I wanted the versatility of being able to plug something else in, other than just a pump, when the power fails.
Mad Hatter's Reef
Mad Hatter's Reef - 8 years ago
I hindsight, would you buy your setup again or go with the EcoTech battery backup?
Klem Reefing
Klem Reefing - 8 years ago
"Pure Sine"
Klem Reefing
Klem Reefing - 8 years ago
Mad Hatter's Reef
For the money I think this is way more versatile option to battery back up. The only issue I would have with this system is that the inverter from Harbor freight is a modified sign inverter. It would be nice to have a peer sign inverter but then again those are tons more money. Happy Reefing.
eric olsen
eric olsen - 8 years ago
Another awesome video. Thanks for actually demonstrating. I love it . I work in Ashland and the power goes out just when the wind blows so it happens a lot. Do you think the sentenc would be able to keep the battery charged at all times if you left power head connected to the battery 24-7 or would is that asking too much
Klem Reefing
Klem Reefing - 8 years ago
eric olsen
Yeah I'm in Medford, so I know how you feel! And no, that float charger is not meant to charge the battery - only to keep it full. (It will charge it but VERY slow. They are so cheap quality that it'd probably burn out). Up to you....
MileHighReefers
MileHighReefers - 8 years ago
Nice power solution. is there any way to automate this setup so it kicks on when the power goes out? I have a generator, but I have to be home to hook it up. I purchased two air bubblers that kick on when the power goes out just in case I'm not home.
Klem Reefing
Klem Reefing - 8 years ago
MileHighReefers
That's where things get a little more complicated. Theres a couple ways to accomplish that but I think you're thinking of an "automatic transfer switch." They can be quite expensive for a quality one... I definitely understand that concern though! That's a project I'll tackle down the road for sure.
Down South Reefer
Down South Reefer - 8 years ago
So you must live in the north and preparing for a winter storm. I am confused a little though. If your system is powered by solar energy, why are you worried about a power outage? Shouldn't you always have power?
Klem Reefing
Klem Reefing - 8 years ago
Down South Reefer
essentially that's correct.
Down South Reefer
Down South Reefer - 8 years ago
Klemmetsmo Reefing so I guess your saying you can use your solar as it comes but can't store it. So day time less energy cost nighttime higher energy cost. Am I close?
Klem Reefing
Klem Reefing - 8 years ago
Down South Reefer
And yes I live in Southern Oregon where the cheap power company maxes out there pole transformers and so they typically blow once or twice each winter when I get overloaded. Frustrating for sure!
Klem Reefing
Klem Reefing - 8 years ago
Down South Reefer
Aww yes, good point. I can see how that might seem a little confusing. My solar system does not have battery back up and is simply wired directly into the grid. Hence this little set up. I guess you could say that I am now moving in that direction towards ultimately buying an outback inverter that has battery back up capacity. But that's an expensive endeavor and I guess I'm going to get there one day. I did a little video on my reef tank solar system if you'd like to check it out - it's just a simple 2500 W system.

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