--- product_id: 81568418 title: "12 Volt Battery Back Up Sump Pump" brand: "wayne" price: "2857 zΕ‚" currency: PLN in_stock: true reviews_count: 2 url: https://www.desertcart.pl/products/81568418-12-volt-battery-back-up-sump-pump store_origin: PL region: Poland --- # 12V battery-powered backup Up to 2,700 GPH flow rate Epoxy-coated steel & cast iron durability 12 Volt Battery Back Up Sump Pump **Brand:** wayne **Price:** 2857 zΕ‚ **Availability:** βœ… In Stock ## Summary > πŸ’§ Stay dry, stay worry-free β€” backup power that never quits! ## Quick Answers - **What is this?** 12 Volt Battery Back Up Sump Pump by wayne - **How much does it cost?** 2857 zΕ‚ with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/81568418-12-volt-battery-back-up-sump-pump) ## Best For - wayne enthusiasts ## Why This Product - Trusted wayne brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Built to Last:** Epoxy-coated steel housing and cast iron base resist corrosion and wear - β€’ **Smart Protection:** LED display and audible alarm alert you to any issues instantly - β€’ **Perfect Fit & Quiet:** Fits 14”+ sump basins with no drilling needed, ultra-quiet operation - β€’ **High-Capacity Pumping:** Removes up to 10,000 gallons on a single charge with 2,700 GPH max flow - β€’ **Power Through Outages:** 12 Volt battery backup keeps your basement dry when the grid goes down ## Overview The WAYNE ESP25n is a heavy-duty 12 Volt battery backup sump pump designed for indoor use to protect basements during power outages. It delivers up to 2,700 gallons per hour and can evacuate 10,000 gallons on a single battery charge (battery sold separately). Featuring a corrosion-resistant epoxy-coated steel housing, cast iron base, and a thermoplastic impeller, it ensures durability and efficient water flow. The unit fits sump basins 14 inches or larger without modifications and includes a protective battery case with LED and audible alerts. Proudly assembled in the USA, it comes with a 2-year warranty for reliable, quiet performance. ## Description WAYNE ESP25n - 12 Volt Battery Back Up Sump Pump, Battery Not Included - Up to 2,700 Gallons Per Hour - Heavy Duty Basement Sump Pump ## Features - Indoor Use Only - This 12 Volt WAYNE basement battery backup sump pump is perfect to keep your basement dry during heavy water flow when you lose electricity. Whether it’s rain, snow melting, etc. WAYNE model ESP25n can keep your basement dry. - Back-Up Ready - ESP25N will pump up to 2,700 GPH and remove/evacuate/expel/get rid of up to 10,000 gallons on a single battery backup charge. WAYNE WSB1275 75 AH Battery is required for back-up but not included. - Efficient Design - Fits in 14” diameter or larger sump basins, with no need to drill a weep hole - Additional Features - Epoxy-coated steel housing with a cast-iron base. Corrosion-resistant thermoplastic impeller for maximum water flow. Protective battery case includes LED display and an audible alarm to let you know if there’s a problem. - Quality You Deserve - Proudly assembled in the USA for quality you can trust. Warrantied for 2 years for dependable, efficient, & ultra-quiet performance. ## Technical Specifications | Specification | Value | |---------------|-------| | Brand | Wayne | | Color | Black | | Material | Cast Iron | | Style | ESP25 battery backup system (upgraded version) | | Product Dimensions | 17"L x 10.5"W x 14"H | | Power Source | Battery Powered | | Item Weight | 13.5 Pounds | | Maximum Flow Rate | 45 Gallons Per Minute | | Maximum Lifting Height | 10 Feet | | Voltage | 12 Volts | | Global Trade Identification Number | 00040066218483 | | Manufacturer | WAYNE | | UPC | 040066218483 | | Part Number | 58368-WYN1 | | Item Weight | 13.5 pounds | | Item model number | ESP25 | | Size | Black | | Pattern | Pump | | Item Package Quantity | 1 | | Included Components | Back up pump, battery box, reed float switch | | Batteries Included? | No | | Batteries Required? | No | | Warranty Description | 2 year manufacturer | ## Product Details - **Brand:** Wayne - **Color:** Black - **Material:** Cast Iron - **Style:** ESP25 battery backup system (upgraded version) - **Product Dimensions:** 17"L x 10.5"W x 14"H - **Power Source:** Battery Powered - **Item Weight:** 13.5 Pounds - **Maximum Flow Rate:** 45 Gallons Per Minute - **Maximum Lifting Height:** 10 Feet - **Voltage:** 12 Volts ## Images ![12 Volt Battery Back Up Sump Pump - Image 1](https://m.media-amazon.com/images/I/51a-o3wG+KL.jpg) ## Available Options This product comes in different **Pattern, Style** options. ## Questions & Answers **Q: Is it ok to connect to the primary pumps PVC before the check valve, eliminating the need for 2 check valves?** A: No, you need a check valve for each pump. This happened to my sump pump installation: Over time, the flapper (acts like the valve) in the check valve deformed a little, detached from its hinge point(s), and ended up in the FRONT part of the body. This meant that when water was being pumped out of the sump, the water forced the flapper into the check valve opening... BLOCKING the flow! The check valve ended up working backwards, basically. With the water unable to flow, after enough time, the sump pump burned itself out. If two pumps are feeding through just one check valve, the same thing could happen to both pumps. Each pump needs its own check valve. It's OK for the discharge lines to merge afterwards. BTW: If you really depend of a reliable sump pump installation, spend the extra $30-$50 bucks and get a couple of industrial-strength check valves (regardless if you have a single or double-pump system). They will be "out of sight and out of mind" parts of your installation; you need to KNOW that they'll last! **Q: What size pvc pipe goes into the single fitting at the top of the unit,and what method are you using to attach it? Thanks** A: I glued a three-foot section of 1-1/2" PVD pipe to the wye-fitting at the top of the pump assemble. At the top of the three-foot section I used an 1-1/2" Fernco rubber coupler with stainless steel clamps to connect it to the drain line. You're going to love this pump. It's the quietest pump I've ever heard. **Q: Can anyone please recommend a battery to purchase for this unit?** A: I installed a VMAX 127 deep cell battery. It provides between 36-48 hours of pumping capacity. Cost ~$300. I recommend you don't go cheap on the battery. **Q: does this pump come with a battery** A: The pump does not come with a battery. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Water pumping when you need it, if it will fit! *by E***Y on April 14, 2020* Our basement must have been built in the path of an underground stream. After a big rain, water will continue to come into the sump for several days after the end of the rain. Basement flooding is a certainty if the sump pump isn't working. So AC power, or no AC power the sump pump must continue to run!The AC-powered pump component is typical of good quality flooded pumps, powerful and quiet. But it is the DC-powered backup pump that sets this unit apart. We've had other DC-powered backup pumps, but they typically fell short. We have about a 7-foot lift between the top of the sump and the ground surface where the water is discharged. The other backup pumps would run, but strain to remove the water. Not so this pump. The backup pump design is very similar to the primary AC-powered pump and takes only about 30 seconds to empty an 18" round 30" deep sump against that 7-foot (minimum) head. In a recent test following a 4" rainfall event, the backup pump was needing to empty the sump about every 3 minutes during the peak drainage. It ran on battery power (admittedly off a 100-amp-hour AGM battery) all day and through the night without any visible drop in the battery voltage until there was no more water to be pumped.With one caveat, installation is easy, primarily because the plumbing interconnecting the two pump units is built-in. The caveat is that the base of the unit is massive, with the two pumps mounted side-by-side (instead of vertically as many of the lighter-duty units are). We have an 18" circular sump and it just barely fit - in part because while 18" was ample for the center of the unit, the corners just barely fit.We did make one alteration. We are charging our battery using a high quality, stand-alone charger. Why? The main limitation on battery life is likely to be how it is charged (or, if things don't go right, overcharged). The built-in charger may be OK, but given the cost of the battery, we thought investment in a computerized low-amperage charger was a reasonable one. The good news is that the pump control electronics built into the battery box work fine with the AC charger cable detached. The charger type makes no difference when the backup sump pump is actually running, because, by definition, the AC power will be off at that point anyway.Given its solid design and construction, and that it seems to do the needed pumping with little evidence of effort, I'm expecting this unit to keep us dry for many years . ### ⭐⭐⭐⭐⭐ Great pump, would recommend to friends so far. *by A***G on June 8, 2016* Quite the impressive setup. The main pump is the same high quality pump that you can buy standalone on amazon, and is ultra silent (inaudible besides the sound of rushing water) and powerful. The backup pump is a smaller plastic DC pump but appears to do a good, albeit slower, job pumping. Each pump has a check valve attached right to the output and the backup pump float is already mounted on the Y pipe. All you need to do is set the pump in your pit and hook up the Y pipe to the existing pipe.You do not need the special Wayne battery to put in the battery case. Go to your local fleet/farm store with the empty battery case and find any maintenance-free AGM battery that fits (check that the cover fits as well). I found a Road Runner model AGM27 92 Ah battery for cheaper than the 75 Ah Wayne one here on Amazon and with a better warranty (36 month warranty and 18 month replacement). The battery case comes with industry standard bolt-down connectors.So far the only downside so this setup is that the alarm on the battery box has no test button and no silence button. Its still easy to test by unplugging and filling the sump hole up with water, but there is no way to silence the alarm when its in backup mode.Some tips when putting in the new pump: since you need to glue a pipe into the Y-connector, don't glue the new pipe to the existing pipe. Instead use a 1.5" rubber connector with screw tighteners ($2-$3). This will allow you to remove the whole pump assembly in a jiffy should something happen. Also, do yourself a favor and clean out the bottom of your sump pit with a shop vac if you have the plastic bottom pit type. Mine was full of sand that had come in through the holes. This isn't an issue for the main pump since it doesn't pull water in through the bottom. However, the backup pump sucks in water through the bottom and probably wouldn't last as long if it had to suck up sand and other debris. ## Frequently Bought Together - Wayne ESP25 Upgraded 12-Volt Battery Backup System, Black - Wayne WSB1275 75Ah Maintenance-Free Battery Recommended for Wayne ESP25, Wayne WSS30VN and Wayne Basement Guardian - Wayne 58321-WYN3 CDU980E 3/4 HP Submersible Cast Iron and Stainless Steel Sump Pump with Integrated Vertical Float Switch, Large, Silver --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pl/products/81568418-12-volt-battery-back-up-sump-pump](https://www.desertcart.pl/products/81568418-12-volt-battery-back-up-sump-pump) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-04-27*