--- product_id: 148640091 title: "- RB640 6 Volt 4.5 AmpH SLA Replacement Battery with F1 Terminal" brand: "sigmastek" price: "R629" currency: ZAR in_stock: true reviews_count: 6 category: "Sigmas Tek" url: https://www.desertcart.co.za/products/148640091-rb640-6-volt-4-5-amph-sla-replacement-battery-f1 store_origin: ZA region: South Africa --- # 6V, 4.5Ah power punch Shock & heat resistant casing AGM tech, spill-proof & maintenance-free - RB640 6 Volt 4.5 AmpH SLA Replacement Battery with F1 Terminal **Brand:** sigmastek **Price:** R629 **Availability:** ✅ In Stock ## Summary > ⚡ Power up your gear with spill-proof confidence! ## Quick Answers - **What is this?** - RB640 6 Volt 4.5 AmpH SLA Replacement Battery with F1 Terminal by sigmastek - **How much does it cost?** R629 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/148640091-rb640-6-volt-4-5-amph-sla-replacement-battery-f1) ## Best For - sigmastek enthusiasts ## Why This Product - Trusted sigmastek brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Universal Compatibility:** Fits a wide range of consumer electronics, security systems, and emergency devices with F1 terminal. - • **Reliable Power, Always Ready:** 6 Volt 4.5 AmpH capacity ensures consistent energy for your critical devices. - • **Built Tough for Any Environment:** Shock, vibration, and heat resistant casing keeps your battery performing in rough conditions. - • **Certified Quality & Peace of Mind:** U.L. recognized, CE certified, and backed by a 1-year warranty for trusted durability. - • **Zero Maintenance, Maximum Convenience:** AGM sealed lead acid design means no spills, no leaks, and no hassle. ## Overview The SigmasTek RB640 is a factory-fresh, maintenance-free 6 Volt 4.5 AmpH sealed lead acid battery featuring advanced AGM technology. Designed for durability with shock and heat resistant casing, it fits a broad range of electronics and security devices. Certified by U.L. and CE, it offers reliable, spill-proof power backed by a 1-year warranty. ## Description GENUINE SIGMASTEK BATTERYAll our batteries are manufactured to the highest standards. The technology used is valve-regulated lead acid and is maintenance free, spill proof and long lasting. BATTERY TYPE This is a 6 Volt 4.5 AH battery with F1 Terminal AGM sealed lead acid replacement battery compatible with variety of applications such as . It is maintenance free, spillproof with long service life and is build to last in the roughest situations. It has shock, vibrant and heat resistance battery case. This rechargeable battery can be mounted in any position and can resist on wide operating temperatures. The SP6-4.5 battery is U.L. listed COMPATIBILITY The 6 Volt 4.5 Amp rechargeable battery is utilized in variety of applications such as Consumer Electronics, Portable Tools, Control Devices, Emergency Lightning, Security, Electric Devices, Engine Starters, Access Control Devices and more. It is also compatible with the following models: Lithonia ELB06042Dual lite ERS 6V 4.5AHUPG UB645YT-645Emergi-Lute 12M4Vision CP645MK ES4-6Panasonic LC-R064R5PPowerSonic PS-640 ## Features - Absorbent Glass Mat (AGM) Technology - Maintenance-Free Design with Spill Proof Construction - U.L. Recognized and CE Certified - Brand New, Factory Fresh - 1 Year Warranty ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00CBD1LOI | | Battery Cell Composition | Lead Acid | | Battery Type | Lead Acid | | Best Sellers Rank | #285,811 in Health & Household ( See Top 100 in Health & Household ) #1,172 in 12V Batteries | | Brand | SigmasTek | | Brand Name | SigmasTek | | Customer Reviews | 4.9 out of 5 stars 16 Reviews | | Item Weight | 1.6 Pounds | | Manufacturer | SigmasTek | | Manufacturer Part Number | RB640 | | Model Number | RB640 | | Terminal | F1 Terminal | | UPC | 609201104281 | | Unit Count | 1.0 Count | | Voltage | 6 Volts | ## Product Details - **Brand:** SigmasTek - **Item Weight:** 1.6 Pounds - **Terminal:** F1 Terminal - **Manufacturer:** SigmasTek - **UPC:** 609201104281 ## Images ![- RB640 6 Volt 4.5 AmpH SLA Replacement Battery with F1 Terminal - Image 1](https://m.media-amazon.com/images/I/31uOV05srXL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by C***J on October 25, 2025* ### ⭐⭐⭐⭐⭐ Review *by W***R on October 7, 2024* ### ⭐⭐⭐⭐⭐ Review *by M***Z on September 30, 2024* ## Frequently Bought Together - RB640 6 Volt 4.5 AmpH SLA Replacement Battery with F1 Terminal - Amazon Basics Standby UPS Battery Backup 400VA 255W Surge Protector Uninterruptible Power Supply, 6 Outlets for Power Outage Protection, Compact, Black - CyberPower ST425 Standby UPS System, 425VA/260W, 8 Outlets, Compact, Black --- ## 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.co.za/products/148640091-rb640-6-volt-4-5-amph-sla-replacement-battery-f1](https://www.desertcart.co.za/products/148640091-rb640-6-volt-4-5-amph-sla-replacement-battery-f1) --- *Product available on Desertcart South Africa* *Store origin: ZA* *Last updated: 2026-06-23*