The cost of installing a sump pump or a sump pump with a battery backup can vary depending on several factors, including the size and type of pump, the complexity of installation, and any additional features or requirements specific to your property. Generally, the installation cost for a basic sump pump can range from $500 to $1,500, depending on the extent of the work required and the location. This typically includes the cost of the pump itself, as well as any necessary plumbing and electrical work. If you opt for a sump pump with battery backup, the cost will likely be higher due to the additional equipment and installation complexity. Generally, a sump pump with a battery backup can cost between $1,000 and $2,500 or more, depending on factors such as the capacity and reliability of the battery backup system.
Feel free to call us if you want a sump pump with battery backup! If your sump pump goes out of order, there might be flooding in your basement. The backup should help you to avoid it. We can carry out sump pump backup battery replacement, repair and installation for you at a reasonable cost to keep your house safe and dry.
BATTERY BACKUP SUMP PUMP SYSTEMS
A sump pump backup system is designed to protect your home when your primary sump pump cannot do the job. It acts as a standby support and will begin operating if the main unit fails, whether due to a power outage or another emergency. In many cases, you will notice an audible alarm right away, which serves as a clear signal that the backup sump pump is now running. This helps you respond quickly instead of discovering the problem only after water has started to accumulate.
Because flooding risk does not pause when you are away, the backup system can also keep you informed when you are not at home. Depending on your setup, you may receive a notification on your smartphone, so you can check what is happening and take next steps. For example, if heavy rain causes a failure during the night while you are traveling, the alarm and the notification help confirm that your backup protection has engaged.
TYPES OF SUMP PUMP BATTERY BACKUP
Before looking for backup sump pump installation near me services, you should decide which type of battery you need for your unit:
- Wet cell. It's the most affordable and the most common type of battery. Its main drawback consists in the fact that it won't be able to power your sump pump for a long time.
- AGM. This acronym stands for absorbed glass mat. Compared to the previous type, this one is more technologically advanced. It costs more but features higher energy capacity and faster charging times.
- Gel. These are similar to the wet cell type but are better suited to extreme temperatures and vibrations.
- Deep-cycle. This term characterizes not the battery itself but its charging cycle. Such batteries are designed for constant charging and discharging.
- Maintenance-free. Such batteries require maintenance — but it is easier to take care of them than of other units.
If you're not an expert in batteries, you might want to ask for a deep-cycle lead-acid one, also known as the marine one. Every shop assistant should understand what you mean and sell you a powerful and reliable battery.
COST OF SUMP PUMP BATTERY BACKUP INSTALLATION
The average sump pump battery backup installation cost is around $900. Depending on the type of the unit, you might need to pay from $850 to $2000 for professional services. Some consumers might say the price of the installation might be too high because it nearly equals the sum of the unit. Properly installed sump pump battery backup can save you thousands of dollars in case of flooding, so the investment should be worth it!
SUMP PUMP BATTERY BACKUP SERVICES WITH PROFESSIONALS!
Emergency Plumbing stands out from the other plumbing companies in NorthShore and NorthWest suburb of Сhicago for the following reasons:
- We're an established business with an impeccable reputation
- All our contractors have a license and large experience
- We can send a plumber to you almost immediately after you get in touch with us
- You can be sure that the sump pump battery backup cost will be affordable
- Before we start the work, we'll provide you with a free estimate
- Once the work is finished, we'll give you a warranty
- Our clients leave positive reviews about us and eagerly recommend us to their friends
You can call us 24/7 whenever you need sump pump and battery backup near me services!
HOW MUCH BACKUP CAPACITY DO YOU ACTUALLY NEED?
Battery capacity should be matched to your realistic power outage scenarios, not just the biggest option available:
- Short outages (a few hours) — a standard deep-cycle marine battery typically provides adequate runtime for most storms in this area
- Extended outages (24+ hours) — consider a higher-capacity AGM battery, or discuss a dual-battery setup with our technicians for extended protection
- Frequent power interruptions — if your area experiences regular outages, prioritize a battery with faster recharge time so you're not left vulnerable if a second outage follows shortly after the first
WHY BATTERY BACKUPS NEED PERIODIC TESTING — NOT JUST INSTALLATION
A battery backup system that hasn't been tested since installation is a real risk — batteries lose capacity over time, and a backup that fails during an actual emergency defeats the entire purpose of having one. We recommend:
- Testing the system every 3-6 months by simulating a power outage or high-water event to confirm the backup pump activates properly
- Checking battery charge level regularly, especially before storm season
- Replacing the battery every 3-5 years, even if it appears to be holding a charge, since battery performance degrades gradually and isn't always obvious until it's actually needed
SMART MONITORING: KNOWING YOUR SYSTEM IS READY BEFORE YOU NEED IT
Beyond the audible alarm and smartphone notification mentioned above, some battery backup systems (like the Zoeller Aquanot Fit with built-in WiFi) offer two-way communication — meaning you can actively check your system's status remotely, rather than only receiving an alert after something has already gone wrong. This is particularly valuable if you travel frequently or want peace of mind while away from home.
COMBINATION SYSTEMS: PRIMARY AND BACKUP IN ONE
For new installations, many homeowners choose a matched combination system — like the Zoeller ProPack98 or ProPack53 Spin — where the primary pump and battery backup are pre-matched and tested to work together, rather than sourcing and coordinating compatibility between separate components.
Frequently Asked Questions
How long will a battery backup pump run during a power outage?
This depends on battery capacity and how much water your primary pump would normally be handling; typical runtimes range from several hours of continuous operation to roughly 1-2 days of intermittent operation for lighter water infiltration — our technicians can estimate expected runtime for your specific home.
Do I need to replace the battery myself, or is that part of your service?
We offer battery backup replacement, repair, and installation services — our technicians can handle battery selection and replacement as part of routine maintenance or when your existing battery is due for replacement.
Can I add a battery backup to my existing sump pump, or do I need a whole new system?
In most cases, a battery backup can be added to your existing primary pump without replacing it — our technicians can assess compatibility during an installation visit.
Why a Battery Backup Sump Pump System is Essential
Primary sump pumps rely 100% on grid power and a single mechanical switch. During severe storm activity in Chicagoland, power outages frequently coincide with torrential rain and rising groundwater. Call our flood protection specialists at (224) 754-1984 to safeguard your basement against these critical failure scenarios:
Severe Storm Power Outages: High winds and lightning routinely knock out utility power right when your primary pump needs to run continuously.
Primary Pump Mechanical Failure: Impellers jam, switches fail, or pump motors burn out under heavy water flow, leaving your pit unprotected.
Extreme Torrential Inflow: During extreme flash flooding, high-capacity secondary pumps activate alongside your primary pump to double pumping volume.
Tripped GFCI Circuit Breakers: A standard outlet breaker can trip unnoticed while you are away from home, disabling the primary pump completely.
Clogged Primary Intake Screen: Debris at the bottom of the basin can restrict the main pump, triggering the raised backup float switch automatically.
Key Components of a Professional Battery Backup Setup
A reliable battery backup system acts as an independent fail-safe unit installed alongside your primary sump pump:
Component Purpose & Function Maintenance & Life Expectancy Secondary 12V DC Pump Heavy-duty sub-pump mounted higher in the pit, operating on direct battery power. Inspect annually; lasts 7–10 years with regular maintenance. Deep-Cycle AGM Marine Battery Sealed Maintenance-Free (AGM) battery engineered for long standby charges and deep discharges. Replace every 3–5 years for maximum reliability. Smart Battery Charger / Controller Multi-stage automatic charger that maintains optimal voltage, prevents overcharging, and self-tests. Continuous operation; features visual and audible diagnostic alerts. Dual Electronic Float Switches Independent micro-switches set above the primary pump switch height to trigger backup mode instantly. Clean switch contact arms annually to prevent debris buildup.
Battery Backup Systems & Batteries We Install
We install commercial-grade backup systems engineered for heavy residential water removal, featuring trusted brands like Zoeller Aquanot, Liberty StormCell, Basement Watchdog, and Wayne:
AC/DC Combination Systems: Integrated dual-pump packages with built-in backup controls, offering a seamless fit inside standard 18-inch sump basins.
High-Output 12V DC Backup Pumps: Heavy-duty secondary pumps capable of discharging up to 3,000+ GPH (gallons per hour) at a 10-foot head height.
Maintenance-Free AGM Batteries: Sealed Absorbed Glass Mat batteries that produce zero acid fumes, require no fluid topping, and withstand longer standby cycles than standard wet-cell batteries.
Wi-Fi & Smart Monitoring Controllers: Advanced controllers that send instant text messages or mobile alerts when power drops, the battery gets low, or the backup pump engages.
Our Step-by-Step Battery Backup System Installation
Pit Audit & Capacity Assessment: Evaluating basin dimensions, current primary pump performance, and determining required flow capacity (GPH) and lift height.
Secondary Plumbing Assembly: Installing rigid Schedule 40 PVC piping for the secondary pump with its own dedicated silent check valve and anti-airlock weep hole.
Mounting Heavy-Duty Battery & Box: Securing a heavy-duty protective battery box above floor level, safely out of reach of potential floor water.
Smart Switch & Charger Wiring: Positioning dual float switches above normal water levels and wiring corrosion-resistant heavy-gauge cables to the battery charger.
Full Outage Simulation Test: Cutting main AC power to the pit, filling the basin manually with water, and verifying immediate backup pump activation, pump rate, and alarm notifications.
Frequently Asked Questions: Sump Pump Battery Backup Systems
Q: How long will a battery backup sump pump run during a power outage?
A: On a fresh, fully charged deep-cycle AGM battery, most systems can pump continuously for 5 to 7 hours, or operate intermittently on a 50% duty cycle for 24 to 48 hours depending on water inflow volume.
Q: What is the difference between a maintenance-free AGM battery and a standard wet-cell battery?
A: Standard wet-cell lead-acid batteries require regular distilled water refills and can spill acid. AGM (Absorbed Glass Mat) batteries are completely sealed, leak-proof, maintenance-free, and hold a charge longer during standby periods.
Q: Why is my battery backup system chirping or beeping?
A: A chirping alarm usually indicates a depleted battery needing replacement, corrosion on battery terminals, a disconnected charging cable, or a warning that the backup pump ran recently during a water spike.
Q: Can I connect two batteries to one system for extra runtime?
A: Yes. Many premium backup controllers (like Zoeller Aquanot or Liberty StormCell) support parallel dual-battery setups, effectively doubling the system's operational runtime during prolonged regional power outages.
With multiple locations throughout North Shore and Northwest suburbs of Chicago, Illinois, Emergency Plumbing offers promt and professional plumbing services.
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