---
product_id: 21486378
title: "Casil CA1240 12V 4Ah SLA Rechargeable Alarm Battery – Sealed Lead Acid (Maintenance‑Free, F1 Terminal) Compatible with Ademco Vista, Honeywell, DSC, ADT & Security Panels"
brand: "casil"
price: "VT16714"
currency: VUV
in_stock: true
url: https://www.desertcart.vu/products/21486378-casil-ca1240-12v-4ah-sla-rechargeable-alarm-battery-sealed-lead
store_origin: VU
region: Vanuatu
---

# 12V 4Ah reliable power Broad security system compatibility Maintenance-free sealed AGM design Casil CA1240 12V 4Ah SLA Rechargeable Alarm Battery – Sealed Lead Acid (Maintenance‑Free, F1 Terminal) Compatible with Ademco Vista, Honeywell, DSC, ADT & Security Panels

**Brand:** casil
**Price:** VT16714
**Availability:** ✅ In Stock

## Summary

> 🔋 Stay powered, stay protected — never miss a beat!

## Quick Answers

- **What is this?** Casil CA1240 12V 4Ah SLA Rechargeable Alarm Battery – Sealed Lead Acid (Maintenance‑Free, F1 Terminal) Compatible with Ademco Vista, Honeywell, DSC, ADT & Security Panels by casil
- **How much does it cost?** VT16714 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/21486378-casil-ca1240-12v-4ah-sla-rechargeable-alarm-battery-sealed-lead)

## 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

- • **Rapid Recharge Ready:** Supports fast recharge and deep cycling for uninterrupted protection
- • **Power That Never Quits:** Consistent 12V 4Ah backup for your critical security systems
- • **Plug & Play Compatibility:** Seamlessly replaces ADT, Honeywell, DSC & more without hassle
- • **Compact & Installation-Friendly:** Slim profile with F1 terminals fits standard alarm panels effortlessly
- • **Zero Maintenance, Maximum Safety:** AGM sealed lead acid tech ensures leak-proof, spill-proof reliability

## Overview

The Casil CA1240 is a 12V 4Ah sealed lead acid rechargeable battery designed for reliable backup power in alarm systems and security panels. Featuring maintenance-free AGM technology, it offers leak-proof, spill-proof durability and fast recharge capability. Compatible with major brands like ADT, Honeywell, and DSC, its compact size and F1 terminals ensure easy installation in residential and commercial security setups.

## Description

Casil CA1240 12V 4Ah SLA Rechargeable Alarm Battery – Sealed Lead Acid (Maintenance‑Free, F1 Terminal) Compatible with Ademco Vista, Honeywell, DSC, ADT & Security Panels

## Features

- 🔋 Reliable 12V 4Ah Backup Power – Delivers long-lasting, consistent performance for alarm systems, emergency lighting, access control panels, and backup power devices.
- ⚙️ Compatible with Major Security Brands – Works as a direct replacement for ADT 804302, Ademco 467, Power Patrol SLA1056, Honeywell Vista 20P, DSC panels, and more.
- 🛡️ Maintenance-Free Sealed Lead Acid Design – Built with AGM technology for leak-proof, spill-proof, and maintenance-free use in residential and commercial setups.
- ⚡ Fast Recharge & Deep Cycle Ready – Supports quick recharge cycles and reliable performance in float or cyclic use, ideal for alarm backup and standby applications.
- 📐 Compact Size & Easy Installation – Fits standard alarm panel compartments with F1 terminals (0.187"); dimensions: 3.54" x 2.76" x 3.98"; weight: approx. 3.3 lbs.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Casil |
| Brand | Casil |
| Model | CA 1240 |
| Item Weight | 3 pounds |
| Product Dimensions | 3.54 x 2.76 x 4.01 inches |
| Item model number | CA1240 |
| Batteries | 1 12V batteries required. |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | CA1240 |
| Amperage | 4 Amps |

## Product Details

- **Number of Batteries:** 1 12V batteries required.
- **Brand:** Casil
- **Battery Cell Composition:** Lead Acid
- **Battery Capacity:** 4 Amp Hours
- **Recommended Uses For Product:** 12v rechargeable battery for alarm, 467, Vista 10, 15P, 20P, 804302, BA-80, Safewatch Pro, ASLA1056, EXP1240, LCR12V4BP, ML4-12, NP4-12, PC1555, PC1832, PC5010, SLA1056, SLA1045, UB1240, UB1250

## Images

![Casil CA1240 12V 4Ah SLA Rechargeable Alarm Battery – Sealed Lead Acid (Maintenance‑Free, F1 Terminal) Compatible with Ademco Vista, Honeywell, DSC, ADT & Security Panels - Image 1](https://m.media-amazon.com/images/I/61n+eFLYQAL.jpg)

## Available Options

This product comes in different **Model** options.

## Frequently Bought Together

- Casil CA-1240 12V 4AH Rechargeable Sealed Lead Acid Battery (CA1240)
- 12V Sealed Lead Acid (SLA) Battery Charger 1300mA, with Short Circuit Protection

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**Shop now:** [https://www.desertcart.vu/products/21486378-casil-ca1240-12v-4ah-sla-rechargeable-alarm-battery-sealed-lead](https://www.desertcart.vu/products/21486378-casil-ca1240-12v-4ah-sla-rechargeable-alarm-battery-sealed-lead)

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-05-07*