---
product_id: 73060226
title: "Maintenance Free (AGM) Standby Battery for Backup Sump Pumps (BW-27AGM)"
brand: "the basement watchdog"
price: "KD 146.20"
currency: KWD
in_stock: true
reviews_count: 8
category: "The Basement Watchdog"
url: https://www.desertcart.com.kw/products/73060226-maintenance-free-agm-standby-battery-for-backup-sump-pumps-bw
store_origin: KW
region: Kuwait
---

# Up to 80-hour backup runtime Maintenance-free AGM tech Compatible with multiple sump pump models Maintenance Free (AGM) Standby Battery for Backup Sump Pumps (BW-27AGM)

**Brand:** the basement watchdog
**Price:** KD 146.20
**Availability:** ✅ In Stock

## Summary

> 🔋 Stay dry, stay worry-free — power your peace of mind!

## Quick Answers

- **What is this?** Maintenance Free (AGM) Standby Battery for Backup Sump Pumps (BW-27AGM) by the basement watchdog
- **How much does it cost?** KD 146.20 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.kw](https://www.desertcart.com.kw/products/73060226-maintenance-free-agm-standby-battery-for-backup-sump-pumps-bw)

## Best For

- the basement watchdog enthusiasts

## Why This Product

- Trusted the basement watchdog brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Extended Backup Power:** Enjoy up to 80 hours of reliable sump pump protection during power outages, keeping your basement dry and worry-free.
- • **Heavy-Duty Reliability:** Built to last with robust 22.6 kg construction, ensuring dependable performance when you need it most.
- • **Trusted & Highly Rated:** Join thousands of satisfied professionals who rely on this #9 ranked water pump accessory with a stellar 4.6-star rating.
- • **Versatile Compatibility:** Seamlessly powers a wide range of Basement Watchdog sump pump systems, including older models with remote terminals.
- • **Zero Maintenance, Maximum Peace:** Forget topping off fluids—this AGM battery is truly maintenance-free, saving you time and hassle.

## Overview

The Basement Watchdog BW-27AGM is a maintenance-free AGM standby battery designed specifically for backup sump pumps. It delivers up to 80 hours of intermittent runtime on select Basement Watchdog systems, ensuring reliable basement flood protection during outages. Compatible with multiple models, this heavy-duty 22.6 kg battery requires no fluid maintenance and is highly rated by professionals for its durability and performance.

## Description

The Basement Watchdog Maintenance Free (AGM) Standby Battery for Backup Sump Pumps (BW-27AGM) - desertcart.com

Review: A fine, reliable product - It's hooked up to an inverter and then a sump pump. Does exactly what it was designed to do.
Review: Good quality product. - Good quality product. A tad pricy but worth the cost.

## Features

- Maintenance free - no need to add battery fluid or distilled water
- Up to 40-hour protection (based on a 10% duty cycle) on the Basement Watchdog Big Dog (BWD12-120C+)
- Up to 48-hour protection (based on a 10% duty cycle) on the Basement Watchdog Special + (BWSP+) and Basement Watchdog Big Combination sump pump system (BW4000, CITS-50)
- Up to 80-hour protection (based on a 10% duty cycle) on the Basement Watchdog Emergency (BWE) and Basement Watchdog Combination sump pump system (DFK961, CITE-33)
- Runs various Basement Watchdog sump pump systems intermittently for days
- Older versions, purchased before 2014 of the Basement Watchdog Special, Basement Watchdog Big Dog and Basement Watchdog Big Combo systems that include the Remote Terminal are compatible with the Basement Watchdog Maintenance Free/AGM Battery. Using a maintenance free battery with an older non-compatible system may cause false alarms.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B077XL42DJ |
| Best Sellers Rank | #21,784 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #9 in Water Pump Accessories |
| Brand Name | THE BASEMENT WATCHDOG |
| Customer Reviews | 4.6 4.6 out of 5 stars (657) |
| Included Components | GLENTRONICS - BW-27AGM |
| Item Dimensions | 8 x 12 x 12 inches |
| Item Type Name | GLENTRONICS - BW-27AGM |
| Item Weight | 22.6 Kilograms |
| Manufacturer | THE BASEMENT WATCHDOG Store |
| Manufacturer Part Number | GLENTRONICS - BW-27AGM |
| Manufacturer Warranty Description | Warranty |
| Model Number | BW-27AGM |
| Number of Pieces | 1 |
| UPC | 717301122538 |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** THE BASEMENT WATCHDOG
- **Included Components:** GLENTRONICS - BW-27AGM
- **Item Weight:** 22.6 Kilograms
- **Item dimensions L x W x H:** 8 x 12 x 12 inches
- **Number of Pieces:** 1

## Images

![Maintenance Free (AGM) Standby Battery for Backup Sump Pumps (BW-27AGM) - Image 1](https://m.media-amazon.com/images/I/819dCJkLBCL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ A fine, reliable product
*by N***8 on March 11, 2026*

It's hooked up to an inverter and then a sump pump. Does exactly what it was designed to do.

### ⭐⭐⭐⭐⭐ Good quality product.
*by S***D on February 25, 2026*

Good quality product. A tad pricy but worth the cost.

### ⭐⭐⭐⭐⭐ Long-lasting, does the trick!
*by J***U on January 8, 2026*

I'm not sure how much you can say about a battery, but it is long-lasting and it's a great backup for our electric sump pump.

## Frequently Bought Together

- THE BASEMENT WATCHDOG Model BW-27AGM Maintenance Free (AGM) Sump Pump Battery
- Wi-Fi Module 2.0 for Battery Backup Sump Pump Systems

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**Shop now:** [https://www.desertcart.com.kw/products/73060226-maintenance-free-agm-standby-battery-for-backup-sump-pumps-bw](https://www.desertcart.com.kw/products/73060226-maintenance-free-agm-standby-battery-for-backup-sump-pumps-bw)

---

*Product available on Desertcart Kuwait*
*Store origin: KW*
*Last updated: 2026-05-16*