--- product_id: 68788312 title: "Mighty Max Battery 12V 7Ah Battery Replacement for Home ADT Security Alarm System" brand: "mighty max battery" price: "€ 69.80" currency: EUR in_stock: true reviews_count: 11 category: "Mighty Max Battery" url: https://www.desertcart.pt/products/68788312-mighty-max-battery-12v-7ah-battery-replacement-for-home-adt store_origin: PT region: Portugal --- # 12V 7.2Ah power capacity Wide temp range & shock resistant UL Certified spill-proof SLA/AGM tech Mighty Max Battery 12V 7Ah Battery Replacement for Home ADT Security Alarm System **Brand:** mighty max battery **Price:** € 69.80 **Availability:** ✅ In Stock ## Summary > 🔋 Power your peace of mind with the battery that never quits! ## Quick Answers - **What is this?** Mighty Max Battery 12V 7Ah Battery Replacement for Home ADT Security Alarm System by mighty max battery - **How much does it cost?** € 69.80 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/68788312-mighty-max-battery-12v-7ah-battery-replacement-for-home-adt) ## Best For - mighty max battery enthusiasts ## Why This Product - Trusted mighty max battery brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Endure:** Engineered to resist shocks, vibrations, and extreme temperatures so your alarm stays powered no matter the conditions. - • **Reliable Backup Power:** Keep your home security system running strong with a high-discharge 12V 7.2Ah battery designed for uninterrupted protection. - • **Peace of Mind Warranty:** Backed by a full one-year manufacturer warranty—because your security deserves guaranteed reliability. - • **Universal Fit & Easy Swap:** Standard F1 terminals and compact size ensure a seamless DIY replacement without any wiring headaches. - • **Maintenance-Free & Spill-Proof:** Sealed SLA/AGM construction means zero leaks, zero fuss—perfect for hassle-free, safe indoor installation. ## Overview The Mighty Max ML7-12 is a UL Certified 12V 7.2Ah sealed lead acid (SLA) rechargeable battery designed specifically for home security alarm systems like ADT and DSC. Featuring spill-proof AGM technology, standard F1 terminals, and a compact form factor, it delivers reliable, maintenance-free backup power with high discharge rates and wide operating temperature tolerance. Easy to install and backed by a one-year warranty, it’s the smart DIY solution to keep your security system alert and your home safe. ## Description Product description Review: Perfect replacement for your ADT system - I purchased this Mighty Max 12V 7Ah battery as a replacement for the backup battery in my ADT home security alarm panel, and it worked perfectly. If your system is showing a low battery warning, this is a straightforward and affordable fix that most people can handle themselves. The battery itself appears well made and is a sealed SLA / AGM design, which means it’s spill-proof and designed for reliable performance. It’s rated for a high discharge rate, wide operating temperatures, and long service life, which is exactly what you want for a backup power source in a security system. Installation was surprisingly simple. I started by putting my alarm system into test mode. After opening the panel, I unplugged the tan power outlet and removed the old battery by disconnecting the negative (black) wire first, then the positive (red). I placed the new Mighty Max battery in the same spot and connected the negative first, then the positive, and finally plugged the tan power outlet back in. Once I took the system out of test mode, the panel immediately recognized the new battery and the low battery warning disappeared. The entire process only took a few minutes. Overall, this is a high-quality replacement battery that fits perfectly and restores your alarm system backup power quickly. If your security panel is showing a low battery message, this is an easy DIY fix that can save you a service call. Review: The "Trouble 1" Killer – Perfect DSC Security Save! - If you’re staring at a flashing "Trouble" light on your DSC keypad and your system is chirping at 2:00 AM, this is the fix you need. I used this Mighty Max 12V 7Ah to replace a dead backup battery in my DSC PC1555 system, and it was a total seamless swap. ​The Breakdown: ​Performance: It arrived fully charged and ready to go. The moment I swapped it in, the system recognized it, and the battery error cleared instantly. ​Fitment: The terminals are standard F1 size, fitting the existing leads perfectly without any crimping or modifications. ​Value: Why pay a security company $100+ for a service call when you can do this in 30 seconds? ​It’s been rock solid ever since. If you have an older ADT or DSC hardwired panel, don't overthink it—this 7Ah provides a little extra "juice" over the stock 4Ah, which is great for peace of mind during Texas storms. ## Features - ML7-12 SLA is a 12V 7.2AH Sealed Lead Acid (SLA) rechargeable maintenance free battery - UL Certified - Dimensions: 5.90 inches x 2.50 inches x 3.90 inches. Terminal: F1. Listing is for the Battery only. No wire harness or mounting accessories included. - SLA / AGM spill proof battery has a characteristic of high discharge rate, wide operating temperatures and long service life. - Rechargeable battery that can be mounted in any position, resists shocks and vibration. Long lasting high performance in high and low temperatures. - Full One Year Warranty ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B072M9C1S2 | | Automotive Fit Type | Vehicle Specific Fit | | Battery Capacity | 72 Amp Hours | | Battery Cell Composition | Lead Acid | | Battery Type | Lead Acid | | Best Sellers Rank | #17,957 in Health & Household ( See Top 100 in Health & Household ) #25 in 12V Batteries #26 in Home Security Systems | | Brand | Mighty Max Battery | | Brand Name | Mighty Max Battery | | Compatible with Vehicle Type | Scooter | | Customer Reviews | 4.7 out of 5 stars 2,424 Reviews | | Included Components | Battery | | Item Dimensions D x W x H | 5.94"D x 2.56"W x 4.02"H | | Item Type Name | lead_acid_battery | | Manufacturer | Mighty Max Battery | | Manufacturer Part Number | ML7-12 | | Manufacturer Warranty Description | 1 Year Manufacturers Warranty | | Model Number | ML7-1219111807 | | Number Of Cells | 6 | | Product Dimensions | 5.94"D x 2.56"W x 4.02"H | | Resistance | 86.4 Ohms | | Size | Standard | | Terminal | F1 Terminal | | UPC | 082481315705 | | Unit Count | 1 Count | | Vehicle Service Type | Scooter | | Voltage | 12 Volts | ## Product Details - **Battery Capacity:** 72 Amp Hours - **Battery Cell Composition:** Lead Acid - **Brand:** Mighty Max Battery - **Number Of Cells:** 6 - **Product Dimensions:** 5.94"D x 2.56"W x 4.02"H - **Resistance:** 86.4 Ohms - **Size:** Standard - **Terminal:** F1 Terminal - **Vehicle Service Type:** Scooter - **Voltage:** 12 Volts ## Images ![Mighty Max Battery 12V 7Ah Battery Replacement for Home ADT Security Alarm System - Image 1](https://m.media-amazon.com/images/I/61z9DOmihhL.jpg) ## Questions & Answers **Q: Will this work in child’s electric Jeep?** A: Yes it is identical for my sons electric Jeep. **Q: Would this work for cyberpower SX625G backup unit?** A: CyberPower 625VA SX625G Compatible Replacement Battery CyberPower 625VA 375W SX625G Compatible Replacement Battery 100% Compatible - SX625G **Q: How do you recharge this battery?** A: What are you using the battery in??? the unit (whatever you are using) should charge the battery automatically. Such as an APC Backup Battery Unit will charge it. I have them in Battery Booster for jumping cars...the Booster gets plugged into a 110V outlet that charges 2 batteries. If you don't have a unit that will charge it, go out a buy a small 12v battery charger! **Q: How long does this battery last in a home alarm system?** A: The answer rather depends on what your alarm system's power requirements are. With two 7Ah batteries (in parallel), my DSC system will run 2-3 days. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Perfect replacement for your ADT system *by D***K on March 16, 2026* I purchased this Mighty Max 12V 7Ah battery as a replacement for the backup battery in my ADT home security alarm panel, and it worked perfectly. If your system is showing a low battery warning, this is a straightforward and affordable fix that most people can handle themselves. The battery itself appears well made and is a sealed SLA / AGM design, which means it’s spill-proof and designed for reliable performance. It’s rated for a high discharge rate, wide operating temperatures, and long service life, which is exactly what you want for a backup power source in a security system. Installation was surprisingly simple. I started by putting my alarm system into test mode. After opening the panel, I unplugged the tan power outlet and removed the old battery by disconnecting the negative (black) wire first, then the positive (red). I placed the new Mighty Max battery in the same spot and connected the negative first, then the positive, and finally plugged the tan power outlet back in. Once I took the system out of test mode, the panel immediately recognized the new battery and the low battery warning disappeared. The entire process only took a few minutes. Overall, this is a high-quality replacement battery that fits perfectly and restores your alarm system backup power quickly. If your security panel is showing a low battery message, this is an easy DIY fix that can save you a service call. ### ⭐⭐⭐⭐⭐ The "Trouble 1" Killer – Perfect DSC Security Save! *by D***N on April 28, 2026* If you’re staring at a flashing "Trouble" light on your DSC keypad and your system is chirping at 2:00 AM, this is the fix you need. I used this Mighty Max 12V 7Ah to replace a dead backup battery in my DSC PC1555 system, and it was a total seamless swap. ​The Breakdown: ​Performance: It arrived fully charged and ready to go. The moment I swapped it in, the system recognized it, and the battery error cleared instantly. ​Fitment: The terminals are standard F1 size, fitting the existing leads perfectly without any crimping or modifications. ​Value: Why pay a security company $100+ for a service call when you can do this in 30 seconds? ​It’s been rock solid ever since. If you have an older ADT or DSC hardwired panel, don't overthink it—this 7Ah provides a little extra "juice" over the stock 4Ah, which is great for peace of mind during Texas storms. ### ⭐⭐⭐⭐⭐ Always happy with the quality of Mighty Max batteries *by S***. on May 16, 2026* Always happy with the quality of Mighty Max batteries. This was a direct replacement for our alarm system backup battery. Works perfectly! ## Frequently Bought Together - Mighty Max Battery 12V 7Ah Battery Replacement for Home ADT Security Alarm System - ML7-12 - 12 VOLT 7.2 AH SLA BATTERY - Mighty Max Battery brand product, black - Mighty Max Battery ML5-12 - 12 Volt 5 AH, F1 Terminal, Rechargeable SLA AGM Battery --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pt/products/68788312-mighty-max-battery-12v-7ah-battery-replacement-for-home-adt](https://www.desertcart.pt/products/68788312-mighty-max-battery-12v-7ah-battery-replacement-for-home-adt) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-06-26*