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BrianW

10:09AM | 08/22/01
Member Since: 08/21/01
2 lifetime posts
Bvbasement
In a home I have just purchased there is a history of water in the basement. The last owner said that when he installed a sump pump it fixed the problem. To be on the safe side I would like to have a battery back-up to the pump using a rechargeable battery. I beleive that a gas-powered generator is overkill. What are the best rechargeable batteries to buy, and how long does the average battery last during power failure?

Matches

01:16PM | 08/22/01
Member Since: 09/01/00
312 lifetime posts
The back-up needs to be sized to the pump.The next variable is how much does the pump normally run or is it strictly to remove rain water?If you're looking for back-up for a short term,then a battery may be of help.If there were a storm and power outage for a day or two,you'd be out of luck.A small generator for $400.00 or so is a better investment.This would not seem like overkill if you wound up with a foot of water in the basement because of a storm and power outage.

[This message has been edited by Matches (edited August 22, 2001).]

BrianW

04:24AM | 08/23/01
Member Since: 08/21/01
2 lifetime posts
Thanks for your reply. Yes, I am mostly concerned about rain water, but am willing to spend a little extra in order to safely finish my basement. It almost seems that purchasing a hevay duty marine battery and charger can cost as much or more than a generator. Can the pump be set to draw power from either alternate power source automatically if the power goes out? Also, would it be possible to keep the generator outside the house?

Thanks

Jay J

05:39AM | 08/23/01
Member Since: 10/26/00
782 lifetime posts
Hi BrianW,

Home Depot sells the Basement Watchdog W/Battery Backup for about $450, give or take. It's the ENTIRE set-up.

As Matches said, you need to know the specs of the pump first before you buy. Depending on how much water is pumped, and how high, and how often, and so on, that will determine how long the battery lasts.

Go to The Basement Watchdog WEB Site for info on THEIR pump. There are other battery backup pumps out there. I know what you're saying about gasoline generators. I'm not sure I want the generator coming on and off every time there's a short power outage. And where some folks live, they're common occurrances! This type of 'usage' would wear a generator down. They operate best when there are INFREQUENT outages and when they're actually 'long-lived'.

Those are my thoughts. My best to ya and hope this helps.

Jay J -Moderator

Matches

10:24AM | 08/23/01
Member Since: 09/01/00
312 lifetime posts
The kind of generator I am suggesting would be used outdoors with an extension cord to the pump.Of course,you'd need to be home to start and connect it.If you have just purchased the home, I would wait to see exactly what you have as a problem.When I bought my house the seller told me the same thing.I have no pump and have never had any water in the basement either.Either way,a small generator could also power another device so you really can't lose if you decide to do that.Now that I think about it,I don't recall having a long power outage during extended rain...it's really a gamble.

Jay J

11:58AM | 08/23/01
Member Since: 10/26/00
782 lifetime posts
I will add this ...

2 Years ago, in September 1999, I was on vacation about 3 hours from home. If I had a gas-powered generator backing up my sump pump, I'd have had to have someone turn it on for me. Well, that was the last thing I wanted! What if the 'backup' to the 'backup battery' was out to dinner? What if it was the middle of the night? And so on. Hence, the battery backup made the most sense, for me.

I do realize that the gas generators have their place. Today, homes can be wired (or re-wired) such that the generator only powers up certain 'appliances' during an outage. Not that I'm worried about how my neighbors 'feel' about the generator coming on and such, but gas generators are noisy and 'smell'. EVEN on a good day, I'd probably send my neighbors to the hospital for overdosing on CO, or I'd send them to the Funny Farm due to that DRONING noise of the generator.

As Matches said, gas generators are BEST used when you're home. Since OUR power is very reliable and I'm only concerned about the sump pump (not the fridge or the TV or the like), I opted for a battery. It lets me sleep at night, even when I'm not at home.

The battery isn't good forever. You will have to replace it after a number of years. This is normal since the cells DO go weak. But, to you and me, that's $$$ well spent!

My best to ya and hope this helps.

Jay J -Moderator

PS: In short, you should evaluate the quality of your power, the 'needs' for 'constant power' in the home (if any), and how your 'backup' (battery or generator) will 'play out' when you're home AND when you're NOT home ...

[This message has been edited by Jay J (edited August 23, 2001).]

BV003930

09:55PM | 04/16/14
When my backup pump kicks on, I get bubbles for about 2 or 3 min. as the pump is trying to prime. Then you here it labor as it starts pumping the water out. It can't prime because of the trapped air. How can I correct this problem? Would welcome some advice. Thanks. Curt Taylor.
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