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Item #:
223425267
Casil 6v 5ah Replacement Battery Compatible with Ritar RT645
87% of respondents would recommend this to a friend
Item #:
223425267
XCD 70
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Imported from USA store
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Order now and get it around Monday, September 28
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Casil has provided more than 35 million batteries to the worldwide fire and intrusion market since 1998.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
High Compatibility
Designed to seamlessly replace Ritar RT645, ensuring perfect fit and functionality for reliable performance in a variety of applications.
Long Lasting
With a 5Ah capacity, this battery provides extended runtime, delivering dependable power for longer periods without frequent replacements.
Quality Assurance
Manufactured with premium materials, ensuring durability and safety, making it an excellent choice for users seeking a high-quality replacement battery.
Product Details
| Number of Batteries | 1 12V batteries required. (included) |
| Brand | Casil |
| Model Number | Ritar RT645 |
| Model Name | Ritar RT645 |
| UPC | 305973548840 |
| Manufacturer | Chee Yuen Industrial Co., Ltd |
| Battery Capacity | 5 Amp Hours |
| Voltage | 6 Volts |
| Reusability | Rechargeable |
| Amperage | 5 Amps |
| Unit Count | 1.0 Count |
| Item Dimensions | 2.64 x 2.64 x 3.78 inches (6.7 x 6.7 x 9.6 cm) |
| Antenna Location | Alarm |
| Battery Cell Type | Lead Acid |
| Battery Cell Composition | Lead Acid |
| Recommended Uses For Product | Alarm |
Dangerous Goods
To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.
Product Description
Casil 6v 5ah Replacement Battery Compatible with Ritar RT645
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Customer Questions & Answers
-
Question:
Is the battery maintenance-free?
Answer: Yes, the CASIL battery is maintenance-free. -
Question:
Can this battery be used in extreme temperatures?
Answer: Absolutely, it performs well in both high and low temperatures. -
Question:
What is the return policy?
Answer: There is a 30-day refund policy if you are not satisfied with your purchase.
Casil 6V Ritar RT645 Editorial Review
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Customer Reviews & Ratings
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Pros
- High compatibility with various models
- Reliable power performance
- Long-lasting battery life
- Easy installation
- Good value for quality
Cons
- Slightly heavier than some alternatives.
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Jasmin
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“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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XCD 70
Order now and get it around Monday, September 28
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PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
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Fastest cross-border delivery
Features & Benefits
- More than 35 million batteries supplied globally since 1998.
- Trusted by major fire/intrusion alarm manufacturers.
- High-performance AGM technology for optimal efficiency.
- Maintenance-free with a long service life and deep discharge recovery.
- Versatile mounting options, resistant to shocks and vibrations.
- 30-day refund policy for customer satisfaction.
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