--- product_id: 140049493 title: "Casil CA1250 12V 5Ah SLA AGM Alarm Battery – Rechargeable Sealed Lead Acid Upgrade Replacement for CA1240 12V 4Ah, ADT Security Systems, UPS Backup Power" brand: "casil" price: "VT13057" currency: VUV in_stock: true reviews_count: 8 category: "Casil" url: https://www.desertcart.vu/products/140049493-casil-ca1250-12v-5ah-sla-agm-alarm-battery-rechargeable-sealed store_origin: VU region: Vanuatu --- # Reliable power backup ADT & Honeywell ready 5Ah capacity boost Casil CA1250 12V 5Ah SLA AGM Alarm Battery – Rechargeable Sealed Lead Acid Upgrade Replacement for CA1240 12V 4Ah, ADT Security Systems, UPS Backup Power **Brand:** casil **Price:** VT13057 **Availability:** ✅ In Stock ## Summary > 🔋 Power your peace of mind with the ultimate alarm battery upgrade! ## Quick Answers - **What is this?** Casil CA1250 12V 5Ah SLA AGM Alarm Battery – Rechargeable Sealed Lead Acid Upgrade Replacement for CA1240 12V 4Ah, ADT Security Systems, UPS Backup Power by casil - **How much does it cost?** VT13057 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/140049493-casil-ca1250-12v-5ah-sla-agm-alarm-battery-rechargeable-sealed) ## Best For - casil enthusiasts ## Why This Product - Trusted casil brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Power Upgraded 🔋:** Experience 25% longer runtime with 5Ah capacity vs. standard 4Ah batteries. - • **Seamless Security Fit 🏠:** Perfectly compatible with ADT, Honeywell, DSC, and major alarm systems for hassle-free replacement. - • **Uninterrupted Protection ⚡:** Keeps your alarm and essential devices running during outages with dependable backup power. - • **Maintenance-Free Recharge 🔄:** Sealed AGM design means zero upkeep and supports multiple recharge cycles for lasting reliability. - • **Safe & Spill-Proof Design 🔧:** Leak-resistant, sealed construction allows flexible, worry-free installation anywhere. ## Overview The Casil CA1250 is a 12V 5Ah sealed lead acid AGM battery designed as a direct upgrade replacement for 4Ah models like CA1240. Engineered for home security systems including ADT and Honeywell, it delivers longer runtime, maintenance-free rechargeability, and a sealed, spill-proof design for safe, reliable backup power during outages. Ideal for alarm panels, UPS, and emergency devices, it ensures continuous protection with durable, deep-discharge recovery performance. ## Description desertcart.com: Casil CA1250 12V 5Ah SLA AGM Alarm Battery – Rechargeable Sealed Lead Acid Upgrade Replacement for CA1240 12V 4Ah, ADT Security Systems, UPS Backup Power : Health & Household Review: Backup battery for home alarm system - Works perfectly with my alarm system! Review: Battery - I had to replaced the home security battery. Easy to install. No issues. ## Features - 🔋 UPGRADE FROM 4AH TO 5AH POWER Higher 5Ah capacity provides longer runtime compared to standard 4Ah batteries like CA1240. - 🏠 PERFECT FOR ALARM SYSTEMS Designed for ADT, Honeywell, DSC, and other home security panels. - ⚡ RELIABLE BACKUP DURING OUTAGES Keeps alarm systems and essential devices running when power is lost. - 🔁 RECHARGEABLE & MAINTENANCE FREE Sealed AGM battery requires no maintenance and supports repeated charge cycles. - 🔌 SEALED & SPILL-PROOF DESIGN Safe, leak-resistant construction allows flexible installation. - 🔧 DIRECT REPLACEMENT BATTERY Compatible with CA1240, 12V 4Ah batteries, and similar models. - 🌡️ WIDE TEMPERATURE PERFORMANCE Reliable operation in both hot and cold environments. - 🧱 DURABLE & LONG-LASTING BUILD Built for standby and backup applications with extended service life. - 🔄 DEEP DISCHARGE RECOVERY Maintains performance after repeated use cycles. - 💡 MULTI-APPLICATION USE Ideal for alarm systems, UPS backup, emergency lighting, and small electronics. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07Q413L1T | | Amperage | 5 Amps | | Antenna Location | ADT Alarm Systems Honeywell Vista Series DSC Panels First Alert Systems GE Security Systems Napco Panels, Access Control Systems – Supports door locks, keypads, and security access panels, Backup Power Applications – General 12V standby power needs, Commercial & Residential Standby Systems – Designed for continuous readiness and long service life, Control Panels & Automation Systems – Ideal for lo… | | Battery Capacity | 5 Amp Hours | | Battery Cell Type | Lead Acid | | Best Sellers Rank | #40,476 in Health & Household ( See Top 100 in Health & Household ) #80 in 12V Batteries | | Brand | Casil | | Compatible Phone Models | EnerSys NP5-12 12V 5Ah SLA Battery Mighty Max ML5-12F2 (F2 Terminals), Neptune NT1250 12V 5Ah SLA Battery CA1240 (4Ah) ML4-12 UB1240 EXP1240 PS-1240 NP4-12, Power Sonic PS-1250 12V 5Ah SLA Battery Generic 12V 5Ah SLA Replacement Batteries | | Customer Reviews | 4.6 4.6 out of 5 stars (191) | | Item Dimensions | 3.54 x 2.76 x 4.21 inches | | Item Weight | 3 Pounds | | Manufacturer | Chee Yuen Industrial Co., Ltd | | Model Name | 12v 5ah Alarm Battery | | Model Number | CA1250 | | Number of Batteries | 1 12V batteries required. | | Reusability | Rechargeable | | UPC | 762319436139 | | Unit Count | 1.0 Count | | Voltage | 12 Volts | | Warranty Description | 1 Year prorated warranty | ## Product Details - **Battery Capacity:** 5 Amp Hours - **Battery Cell Composition:** Lead Acid - **Brand:** Casil - **Number of Batteries:** 1 12V batteries required. ## Images ![Casil CA1250 12V 5Ah SLA AGM Alarm Battery – Rechargeable Sealed Lead Acid Upgrade Replacement for CA1240 12V 4Ah, ADT Security Systems, UPS Backup Power - Image 1](https://m.media-amazon.com/images/I/61LFyNWGPrL.jpg) ## Available Options This product comes in different **Model** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Backup battery for home alarm system *by S***A on December 7, 2025* Works perfectly with my alarm system! ### ⭐⭐⭐⭐⭐ Battery *by J***N on August 3, 2025* I had to replaced the home security battery. Easy to install. No issues. ### ⭐⭐⭐⭐⭐ Battery *by M***C on September 29, 2025* Worked well in my security system. Good value as well. --- ## 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.vu/products/140049493-casil-ca1250-12v-5ah-sla-agm-alarm-battery-rechargeable-sealed](https://www.desertcart.vu/products/140049493-casil-ca1250-12v-5ah-sla-agm-alarm-battery-rechargeable-sealed) --- *Product available on Desertcart Vanuatu* *Store origin: VU* *Last updated: 2026-05-07*