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Reliable Basement Protection

If Your basement configuration or some other reason prevents you from installing a Water Powered Backup Pump then you should install a battery backup pump.

But Having An Unreliable Backup Is Probably Worse Than Having No Backup At All!

The Basementsaver BP-Series is a range of high quality low maintenance battery backup pumps specifically designed to give you years of reliable service:

 

Basementsaver BP1
Battery Backup Sump Pump

Basementsaver BP2 Battery Powered Backup Sump Pump
1,800 gal/hr average
BP1 Backup Sump Pump Details
Low Cost, Easy Installation, Low Maintenance, Reliable Protection

Basementsaver BP1 Is Your Best Battery Powered Backup Option For Most Residential Basements With Normal To High Sump Flow!

 

Basementsaver BP2
Battery Backup Sump Pump

Basementsaver BP2 Battery Powered Backup Sump Pump
1,400 gal/hr average
BP2 Backup Sump Pump Details
Specifically Designed For Use When Space Is Limited In Your Sump Pit

Basementsaver BP2 Is Your Best Battery Powered Backup Option For Residential Basements With Normal To High Sump Flow When Your Sump Pit Space Is Too Limited For A BP1 Battery Backup Pump!

 

Basementsaver BP3
Battery Backup Sump Pump

Basementsaver BP3 Battery Powered Backup Sump Pump
3,000 gal/hr average
BP3 Backup Sump Pump Details
Our Most Powerful Professional Quality Battery Backup Pump!

Basementsaver BP3 Is Your Best Battery Powered Backup Option For Commercial Basements And Extremely High Sump Flow Rates!

Basementsaver Battery Backup Sump Pump Battery Guide

Starter Battery, Deep-Cycle Battery, or Dual Purpose Battery?
Standard Wet-Cell Batteries, Gel-Type Batteries, or AGM-Type Batteries?
Find out which battery type and technology You should choose to provide optimum performance from Your Battery Backup Sump Pump!


Basementsaver Battery Backup Sump Pumps Use Size 27 Batteries

Basementsaver battery backup sump pumps are sold online to people like you, all over N. America, who find it relatively easy to install their own basement emergency flood protection system. However, we suggest that you buy your battery locally, in order to avoid potential problems and the expense associated with shipping of such heavy articles, which also contain toxic chemicals. If you cannot buy your batteries locally, we can ship them to you, Just e-mail Basementsaver or Call 716.775.0206.

If you want to ensure maximum performance from your emergency battery backup pump, with minimum maintenance, it is important that you choose the optimum battery (or batteries) to power it. Read this battery guide to find out more!

All specifications quoted for Basementsaver BP-Series battery backup sump pumps assume the use of Good Quality 12 Volt (12V), Group (size) 27, 'Deep Cycle' Marine Batteries, and each backup pump unit is supplied with a size 27 battery box to house your battery in. An optional extra battery box & cables is available so that you can use 2 batteries to power your backup pump unit for twice as long.

Other Battery Sizes
You may choose to use larger sized batteries in order to gain a longer emergency pumping time, however you will need to buy larger battery boxes locally in order to house them. Additionally, since Basementsaver battery maintenance systems are optimized for use with 1 or 2 Group 27 sized batteries, you would also be advised to consider upgrading the charging system if you do decide to buy larger batteries.

We do not recommend the use of batteries smaller than Group 27, even though they will fit into the supplied battery box(es).

Never Use Automotive Starter Batteries With Your Battery Backup Sump Pump

The standard Automotive Lead-Acid Starter Battery, as used in your car, is NOT recommended for use with your Basementsaver battery backup pump. As with all lead-acid batteries, these starter batteries are designed with alternating positive and negative lead plates separated by an insulator.

Automotive starter batteries are specifically configured with many thin lead plates to provide a large surface area that can deliver large amounts of current for a short period of time (typically about 5 seconds) before being recharged from the cars alternator. This battery type cannot tolerate the deep discharge that is associated with providing power over extended time intervals (several hours) - as may be required of your battery backup sump pump in an emergency situation.

If you do use an automotive starter battery with your battery backup pump you will most certainly experience only a limited lifespan before needing to replace the battery. Worse still, as the battery degrades prematurely, you will also experience diminished pumping time - which could result in a flooded basement.

Battery Backup Pumps Require 'Deep Cycle' Marine Type Batteries

Compared to an automotive starter battery, the 'Deep Cycle' Marine Battery is designed with thicker plates that are alloyed with a higher antimony content. This design difference allows 'deep cycle' batteries to tolerate deep discharge, with full recovery upon recharging, and still provide acceptable lifetime before requiring replacement. Deep cycle batteries typically provide much greater storage capacity than starter batteries, making them useful in boating applications (hence the name 'marine' deep cycle batteries) as well as in battery powered backup pumping applications.

Do not confuse 'Deep Cycle' marine batteries with 'Dual Purpose' marine batteries. A 'Dual Purpose' battery represents a compromise in design between the starter battery and the deep cycle battery. Although dual purpose batteries can give excellent performance in many applications, We Specifically Recommend The Use Of 'Deep Cycle' Batteries With Your Basementsaver Battery Backup Pump.

Choose A Quality 'Deep Cycle' Battery For Your Battery Backup Sump Pump

For optimum backup sump pump operation we are mostly concerned with providing sufficient power for the longest possible period. This requires the maximum possible 'Battery Capacity' - which is usually specified in terms of Amp-hours (Ah) and Reserve Minutes:

  • A battery's Amp-hour rating specifies the total amount of energy that it can deliver for 20 hours at a constant rate of discharge, before the voltage drops from 12V to 10.5V. This means that a 200Ah battery can run a 10A load for 20 hours.
  • A battery's reserve minute rating specifies the number of minutes that it can satisfy a 25A load before the voltage drops to 10.5V. This means that a typical Group 27, 12V, 90Ah, deep cycle battery, with a rating of 175 reserve minutes, will run a 25A load for 175 minutes.
  • To ensure reliable performance with minimum maintenance, your battery backup pump should ideally use a quality 12V battery with excellent Cycle Life rating. Battery cycle life is assessed by continuously cycling (fully discharging to 10.5V and then fully recharging) under controlled conditions until the battery fails to hold 50% of its' initial rated capacity. The higher the cycle life the longer the battery will last before you need to replace it. Properly charged and maintained, a high quality deep cycle lead-acid battery will typically provide hundreds of discharge cycles, which should give you several years of reliable service.

    Other Battery Types

    So far we've been considering lead-acid 'deep cycle' batteries, but other 'deep cycle' battery technologies are also available and you're bound to come across them when shopping at your local boat chandlers or marina store:

  • Lead-Acid Batteries are the oldest technology and also the least expensive. They use sulfuric acid / water electrolyte between the plates, and produce gaseous hydrogen and oxygen when being recharged. These gases must be vented safely, and as a result the system loses water. Vented lead-acid batteries therefore require periodic maintenance or 'top-up' with distilled water.
  • Gel Batteries are essentially sealed systems containing an acidic electrolyte in viscous gel form rather than liquid phase. These 'recombinant' batteries do not vent much hydrogen or oxygen, which are naturally recombined under pressure to produce water. They therefore do not require 'top-up', but cost about twice as much as an equivalent lead-acid battery.
  • AGM (Absorbed Glass Mat) Batteries are essentially sealed systems that contain an acidic electrolyte absorbed into a glass mat that is fitted between the positive and negative plates. These are also recombinant batteries, but are usually even more expensive than an equivalent gel battery.
  • Compared to a Lead-Acid Battery, a Gel Battery or an AGM Battery is less liable to break when subjected to shock and vibration, and will not leak electrolyte. These advantages are undoubtedly useful in boating applications, but are probably not worth the extra cost when used in most basement backup pump applications, where the battery will be sitting in an immobile battery box on the basement floor.

    Anyone seeking their best value for money battery backup pumping system should strongly consider a Basementsaver BP1 backup pump unit running from 2 lead-acid batteries. This backup system will provide much greater emergency pumping capacity, at a similar or lower cost, than the same pump unit running on a single Gel or AGM battery.

    Backup Pump Battery Tips

    You can increase the emergency pumping time available from your battery backup pump by adding an extra battery (BCC Extra Battery Box & Cables are available here), which should be wired in parallel with the first battery. However, you should always:

  • Use the same type of batteries together (Lead-Acid, Gel or AGM) because mixing battery types can result in damage to one or both batteries during recharging.
  • Only combine batteries of about the same age, an old battery will reduce the capacity of a new battery down to its' deteriorated level.
  • Regardless of battery type, you must keep them clean, cool and dry and also clean the connection terminals from time to time in order to maintain peak conduction.
  • Backup Pump Battery Summary

    Buy a Group 27, 12V 'Deep Cycle' battery with the maximum Ah, Reserve Minute and Cycle Life specifications. Lead-Acid Deep Cycle Batteries will perform well and probably represent the maximum value for money in battery backup pump application, although there is some minor maintenance required in 'topping up' with distilled water. If you do not trust yourself to perform this maintenance, consider a Gel or AGM battery.

    Basementsaver BP - Battery Backup Sump Pump System Overview

    The Basementsaver BP-Series is a set of 3 powerful high quality battery powered backup sump pumps specifically designed for emergency basement pumping.

    The BP0, BP1 , BP3 pumps are submersible, whereas the BP2 'Out-Of-Sump' unit is designed for efficient pumping even when space in your existing sump pit is limited. All 4 units come with everything you'll need - just buy a high quality deep cycle marine battery locally, follow the included easy-installation instructions, and plug the charger into a nearby 120V GFCI outlet. If you don't have them, you'll also need a small can each of PVC Cleaner and PVC Cement.


    The Basementsaver BP, Battery Backup Sump Pumps, the Basementsaver WP, Water Powered Sump Pumps, and the Basementsaver HP Water Powered pumps are all excellent emergency backup sump pumps. Find out how to choose the best backup sump pump technology to protect Your specific basement and it's valuable contents.


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    Basementsaver Battery Backup Pumps Advice Column

    Things You Need To Know About Battery Powered Backup Pumps

    Not All Battery Powered Backup Pumps Are Equal!
    Most backup systems require maintenance, and most fail at some point - primarily due to lack of maintenance. That is why I advise you to install a high quality maintenance-free Water Powered Backup Pump if you can. If you can't do that, your next best option is right here on this page - a high quality low-maintenance battery powered backup sump pump!

    Don't Be Tempted by those cheap pumps at your local hardware store. They are cheap for a reason, and I've been called into more wet and musty basements than I care to recall to install the right solution once they've failed. Buy a decent quality backup pump now, install it properly, then follow the simple maintenance checks and your basement should always be dry.

    Easy Installation - Basementsaver makes it easy for you to install your own backup pump. All of the battery backup pumps on this page come with everything you need. Just buy your battery locally (shipping is very expensive), and some PVC cleaner and PVC cement, and you should be able to quickly and easily install your own backup sump pump.

    Very Important Advice
    For ease of installation, most battery powered backup pumps share the same discharge pipe as your main ac-powered sump pump. Every Basementsaver BP Battery Backup Pump comes with a long discharge hose, so that you can avoid the following issue:

    Most backup pump kits force you to tee-in the discharge from the backup pump so close to the exit of your main sump pump that it leaves little room for the check valve to fit below it. The check valve must then be installed much too close to your main pump, and will eventually fail due to the continuous exposure to high water pressure and turbulent flow. In an emergency situation the backup pump switches on as it should, but it cannot protect you as it recycles the water down through the broken check valve and failed main pump - back into your sump!

    The Simple Solution:
    All Basementsaver BP-Series pumps come with an extra long flexible hose to tee into the discharge pipe a good 3-4 feet above your main sump pump. This leaves plenty of room to install your check valve in a safe place where the water flow is less damaging.


    Basementsaver Top Tip

    Double Your Backup Time
    The Basementsaver BCC Extra Battery Box & Cables allows you to add an extra battery and extend the pumping time of your emergency backup system. One BCC Kit doubles the pumping time of BP1, BP2 & BP3 units.


     

    Basementsaver Emergency Backup Sump Pumps

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    Let Basementsaver Help You!

    Basementsaver makes it as inexpensive and easy as possible for You to self-install the very best backup pump technology that will fully and reliably protect the significant investments that You have in Your basement. Protect yourself with a Basementsaver backup pump!

     

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