---
product_id: 192379900
title: "Casil CA640 6V 4Ah SLA/AGM Sealed Lead Acid Maintenance-Free Rechargeable Battery – F1 Terminals"
brand: "casil"
price: "142.90 DT"
currency: TND
in_stock: true
reviews_count: 8
category: "Casil"
url: https://www.desertcart.tn/products/192379900-casil-ca640-6v-4ah-sla-agm-sealed-lead-acid-maintenance
store_origin: TN
region: Tunisia
---

# Direct CA640 replacement 6V 4Ah reliable power Maintenance-free AGM tech Casil CA640 6V 4Ah SLA/AGM Sealed Lead Acid Maintenance-Free Rechargeable Battery – F1 Terminals

**Brand:** casil
**Price:** 142.90 DT
**Availability:** ✅ In Stock

## Summary

> 🔌 Power up your peace of mind with Casil CA640 — the battery that just works.

## Quick Answers

- **What is this?** Casil CA640 6V 4Ah SLA/AGM Sealed Lead Acid Maintenance-Free Rechargeable Battery – F1 Terminals by casil
- **How much does it cost?** 142.90 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/192379900-casil-ca640-6v-4ah-sla-agm-sealed-lead-acid-maintenance)

## 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

- • **Built to Last:** Rugged construction supports both standby and deep-cycle use for long-term reliability.
- • **Spill-Proof AGM Design:** Maintenance-free, leak-proof battery technology that works safely in any position.
- • **Plug & Play Replacement:** Seamlessly fits CA640 and most 6V 4Ah SLA batteries with F1 terminals—no hassle swaps.
- • **Consistent 6V 4Ah Output:** Dependable power for your essential devices, from ride-ons to emergency lighting.
- • **Versatile Power Solution:** Perfect for deer feeders, alarm systems, UPS units, and more—never be left powerless.

## Overview

The Casil CA640 is a 6V 4Ah sealed lead-acid rechargeable battery featuring advanced AGM technology for maintenance-free, leak-proof operation. Designed as a direct replacement for CA640 and similar SLA batteries, it delivers reliable, long-lasting power for a wide range of applications including emergency lighting, ride-on toys, alarm systems, and deer feeders. Compact and rugged, it ensures consistent performance in both standby and deep-cycle scenarios, backed by a 1-year prorated warranty.

## Description

Buy Casil CA640 6V 4Ah SLA/AGM Sealed Lead Acid Maintenance-Free Rechargeable Battery – F1 Terminals: 6V - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Good value - still working - Great battery, had it for a few months now and it still works well. Was easy to install and at a great price. Will buy again.
Review: Good Quality/Works Well - Worked great in an emergency light in our stairwell

## Features

- 🔋 RELIABLE 6V 4AH POWER – Casil CA640 sealed lead-acid (SLA) battery delivers dependable backup power for deer feeders, exit signs, ride-on toys, and more.
- 🛡️ MAINTENANCE-FREE & LEAK-PROOF – AGM technology ensures safe, spill-proof operation in any position; no water top-ups needed.
- ⚡ DIRECT REPLACEMENT – Fits and replaces CA640 and most 6V 4Ah or 6V 4.5Ah SLA batteries with matching size and terminals.
- ⏳ LONG SERVICE LIFE – Rugged construction supports both standby and deep-cycle use, providing consistent performance over time.
- ✅ WIDE APPLICATION RANGE – Works with deer feeders, Power Wheels ride-on vehicles, emergency lighting, alarm systems, and small UPS units.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B085TRXV9R |
| Amperage | 4 A |
| Antenna Location | 6V 4.5Ah battery replacement Alarm system backup battery Emergency lighting battery, Casil CA640 battery 6V 4Ah SLA battery 6V 4Ah AGM battery, Exit sign battery Power Wheels 6V battery Ride-on toy battery, Sealed lead acid rechargeable battery Maintenance-free battery Deer feeder battery, Small UPS battery CA640 replacement battery |
| Battery Capacity | 4 amp_hours |
| Battery Cell Composition | Lead Acid |
| Battery Cell Type | Lead Acid |
| Battery Weight | 1.6 pounds |
| Best Sellers Rank | #85,091 in Health & Household ( See Top 100 in Health & Household ) #54 in 6V Batteries |
| Brand | Casil |
| Compatible Phone Models | Alarm System Backup Battery, Deer Feeder Replacement Battery, Power Wheels Ride-On Toy Battery |
| Customer Reviews | 4.6 out of 5 stars 395 Reviews |
| Item Dimensions | 2.76 x 1.85 x 3.94 inches |
| Item Weight | 1.6 pounds |
| Manufacturer | Chee Yuen Industrial Co., Ltd |
| Model Name | CA640 (Sealed Lead Acid Battery) |
| Model Number | CA640 (6V 4Ah) |
| Number of Batteries | 1 12V batteries required. |
| Recommended Uses For Product | 6V 4.5Ah battery replacement Alarm system backup battery Emergency lighting battery, Casil CA640 battery 6V 4Ah SLA battery 6V 4Ah AGM battery, Exit sign battery Power Wheels 6V battery Ride-on toy battery, Sealed lead acid rechargeable battery Maintenance-free battery Deer feeder battery, Small UPS battery CA640 replacement battery Recommended Uses For Product 6V 4.5Ah battery replacement Alarm system backup battery Emergency lighting battery, Casil CA640 battery 6V 4Ah SLA battery 6V 4Ah AGM battery, Exit sign battery Power Wheels 6V battery Ride-on toy battery, Sealed lead acid rechargeable battery Maintenance-free battery Deer feeder battery, Small UPS battery CA640 replacement battery See more |
| Reusability | Rechargeable |
| UPC | 305487658943 |
| Unit Count | 1 Count |
| Warranty Description | 1 year prorated warranty |

## Product Details

- **Battery Capacity:** 4 amp_hours
- **Battery Cell Composition:** Lead Acid
- **Brand:** Casil
- **Number of Batteries:** 1 12V batteries required.

## Images

![Casil CA640 6V 4Ah SLA/AGM Sealed Lead Acid Maintenance-Free Rechargeable Battery – F1 Terminals - Image 1](https://m.media-amazon.com/images/I/61r1DvxP-ML.jpg)

## Available Options

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

## Questions & Answers

**Q: Can this battery work in a 6v audi tt rs?**
A: Bought this for a lawn hose reel winder.

**Q: Will this recharge from a solar panel? I want to install it in an electric fence power supply that has a constant solar recharging circuit.**
A: I have never used it for this purpose and if you are thinking of doing so, please consider the location and the weather condition.

**Q: Do you have to charge it before you use it the first time?**
A: No need to charge

**Q: where can i get a charger for this rechargeable battery**
A: Any 6/12 volt battery charger like the type to charge car batteries will work. Just attach alligator clips to the corresponding tab,, red/positive,, black negative.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good value - still working
*by T***N on July 9, 2025*

Great battery, had it for a few months now and it still works well. Was easy to install and at a great price. Will buy again.

### ⭐⭐⭐⭐⭐ Good Quality/Works Well
*by C***T on February 24, 2025*

Worked great in an emergency light in our stairwell

### ⭐⭐⭐⭐⭐ No complaints
*by D***A on October 2, 2024*

It went in easy and it's lasted a month so far. A little pricey in my opinion but still a good buy. I also feel like the brightness in my flashlight went up as well once the battery was put in.

## Frequently Bought Together

- Casil 6 Volt 4 AH Rechargeable SLA AGM Battery for Deer Feeder exit Sign, 6v Battery Power Wheels Replace 6 Volt 4.5 Amp CA640
- 6V Battery Charger for Ride on Toys, 6V Charger for Kidzone, Flybar Bumper Ride on Car Best Choice Products SUV Powered Accessories
- Mighty Max Battery ML4-6 - 6 Volt 4.5 AH, F1 Terminal, Rechargeable SLA AGM Battery

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**Shop now:** [https://www.desertcart.tn/products/192379900-casil-ca640-6v-4ah-sla-agm-sealed-lead-acid-maintenance](https://www.desertcart.tn/products/192379900-casil-ca640-6v-4ah-sla-agm-sealed-lead-acid-maintenance)

---

*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-09-29*