CSB HR1221WF2 High Rate Battery - Small volume, lightweight and high discharge efficiency

CSB Battery

Item #: 5877278

CSB HR1221W High Rate AGM Battery

Item #: 5877278

€ 55

~~€ 74~~

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

^{*All items will import from US}

You Save : 26%

Availability : In stock

Imported from USA store

QTY:

Order now and get it around Saturday, August 22

Secured transaction

Our Top Logistics Partners

CSB HR1221WF2 High Rate Battery - Small volume, lightweight and high discharge efficiency

U-Care Warranty:

None

Select a Plan

Buy Now Pay Later

Fast
Shipping

Free
Return^*

Secure Packaging

100% Original Products

PCI DSS Compliance

ISO 27001 Certified

Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

High Rate Discharge

Designed for high performance, the CSB HR1221W AGM battery offers superior discharge rates, ensuring reliable power in demanding applications such as UPS systems and emergency lighting.

Maintenance-Free

This battery utilizes advanced AGM technology, making it maintenance-free. Users benefit from effortless operation without the need for regular fluid checks or refills, ensuring reliability and convenience.

Long Lifespan

With a robust construction, the CSB HR1221W boasts a longer lifespan than conventional batteries, providing extended service life and greater value, reducing the frequency of replacements and associated costs.

Product Details

HR 1221W F2 is specially designed for high efficient discharge application
Its characteristics are small volume, light weight and hight discharge efficiency
It can be used for more than 260 cycles at 100% discharge in cycle service, or three to five years in standby service

Brand	CSB Battery
Voltage	12 volts
Battery Cell Composition	Lead Acid
Item Weight	4.4 pounds (2 kg)
Battery Capacity	5.1 amp_hours
Unit Count	1 Count
UPC	880487243639

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.

Who Should Buy?

Emergency Backup
Ideal for UPS systems, providing reliable power during outages with high-rate discharge capabilities for critical devices.
Solar Applications
Perfect for solar energy systems, offering efficient energy storage and fast recovery to maintain power supply.
Electric Mobility
Suitable for electric scooters and wheelchairs, ensuring consistent power for longer periods and quick recharge times.

Lightweight Needs
Not suitable for lightweight devices, as it may be heavier than alternative batteries designed for portability.

Product Description

Have any Query? Chat with us

Product Buying Guide

The CSB HR1221W High Rate AGM Battery is a reliable power source designed for high-efficiency discharge applications. With a capacity of 5.1Ah and a 21W power output at a 15-minute rate, this rechargeable battery serves as a dependable solution for various applications, including home alarm systems, UPS backups, emergency lighting, security gates, and industrial or medical equipment. Continue Reading

Customer Questions & Answers

Question: What is the capacity of the CSB HR1221W High Rate AGM Battery?

Answer: The CSB HR1221W High Rate AGM Battery has a capacity of 12V and 21Ah. This makes it suitable for various applications requiring a reliable power source. AGM technology enhances its ability to deliver high discharge rates while maintaining a stable voltage. Ideal use cases include backup power systems, alarm systems, and motorized equipment, where efficiency and reliability are crucial.
Question: What are the advantages of using a High Rate AGM battery like the HR1221W?

Answer: High Rate AGM batteries, like the HR1221W, provide several advantages, including lower internal resistance, improved energy density, and enhanced resistance to vibration and shock. The AGM design allows for faster recharging, making it suitable for applications needing rapid recovery after discharge, such as in security systems or UPS devices. Additionally, these batteries are maintenance-free, providing convenience for users.
Question: How does the CSB HR1221W compare to traditional lead-acid batteries?

Answer: The CSB HR1221W High Rate AGM Battery outperforms traditional lead-acid batteries in several ways. It offers better energy efficiency, can discharge at higher rates, and operates well in various environmental conditions. Unlike traditional batteries, AGM batteries are spill-proof and can be mounted in any position, making them versatile for multiple applications, such as marine and automotive use.
Question: What safety measures should I take when using the HR1221W battery?

Answer: When using the CSB HR1221W battery, it's essential to ensure it is installed in a well-ventilated area to prevent overheating. Always monitor the battery's charge levels to avoid deep discharges, which can reduce its lifespan. Additionally, use appropriate chargers designed for AGM batteries to ensure safe charging. These precautions help maintain optimal battery performance and longevity in applications such as emergency lights and medical devices.
Question: Can the CSB HR1221W be used for solar energy storage?

Answer: Yes, the CSB HR1221W High Rate AGM Battery can be effectively used in solar energy storage systems. Its ability to handle high charge and discharge rates makes it suitable for solar applications where quick energy release is needed during periods of high demand. This battery provides reliable performance to store energy generated during the day for use at night or during cloudy days.
Question: What are the optimal operating temperatures for the HR1221W battery?

Answer: The optimal operating temperature range for the CSB HR1221W battery is between -20°C to 60°C (-4°F to 140°F). Staying within this temperature range allows the battery to operate efficiently, maximizing both performance and lifespan. Avoiding extreme temperatures is crucial for applications like telecommunication setups and renewable energy systems, where stability is necessary.
Question: How long does it take to charge the CSB HR1221W battery?

Answer: Charging time for the CSB HR1221W battery will largely depend on the charger used and the current state of charge. Generally, it can take between 4-8 hours for a complete charge with an appropriate AGM-compatible charger. For greater efficiency, it's best to employ a smart charger that automatically adjusts its charge rate based on the battery’s condition, making it suitable for off-grid power solutions and backup systems.
Question: Is the CSB HR1221W battery suitable for electric vehicles?

Answer: While the CSB HR1221W battery provides excellent performance in high-rate discharge scenarios, it is not specifically designed for electric vehicles, which typically require specialized batteries for sustained high discharge rates. However, it can be considered for smaller electric applications or hybrid systems where reliability and quick bursts of power are essential, making it ideal for scooters and mobility aids.
Question: What is the lifespan of the CSB HR1221W battery under proper usage?

Answer: Under proper usage conditions, the CSB HR1221W High Rate AGM Battery can offer a lifespan of about 3 to 5 years. Factors such as temperature, depth of discharge, and maintenance practices significantly impact longevity. For optimal performance, regular monitoring of charge levels and usage patterns is advised, making this battery suitable for applications like security systems and telecom infrastructure.
Question: Where can I buy the CSB HR1221W High Rate AGM Battery?

Answer: You can purchase the CSB HR1221W High Rate AGM Battery on Ubuy, which offers a seamless shopping experience and various delivery options in Ireland. Ubuy provides reliable customer service and a user-friendly interface for easy navigation, making it the best choice for your battery needs.

Nutritionist's Take

The CSB HR1221W High Rate AGM Battery is not a nutritional product but rather a battery designed for backup power and renewable energy applications. Nutritionists would not typically analyze battery products in terms of health or dietary needs, as these are not consumables and do not provide any nutritional benefits. Instead, they focus on food products that contribute to health and well-being. Potential drawbacks of using such a battery system could include environmental concerns regarding battery disposal and the production process. For those concerned about a sustainable lifestyle, assessing the ecological impact of such energy solutions is essential. Overall, this product's relevance to nutritionists is minimal as it does not relate to dietary health or nutrition.

CSB Battery 12V Editorial Review

The CSB HR1221WF2 is a 12 Volt/5.1 Amp Hour per Cell Sealed Lead Acid Battery with a 0.250 Fast-on Connector. This battery has received positive reviews for its compatibility and performance. Customers have reported that it is a fine replacement for their old batteries, lasting for several years. The product has also been praised for its fast delivery and packaging. Overall, the CSB HR1221WF2 is a reliable and economical choice for renewing batteries in various devices, such as UPS systems and power surge protectors.

Customer Reviews & Ratings

5.0

1 customers ratings

5 Star

100%
4 Star

0%
3 Star

0%
2 Star

0%
1 Star

0%

Review this product

Share your thoughts with other customers

Pros

Compatible replacement for old batteries
Fast delivery
Good packaging
Consistent good quality
Economical choice

Platform Trust & Buyer Confidence

4.2/5 9250 + reviews

Read reviews

Mohammad

Verified buyer

“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot

Chitra

Verified buyer

“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

22-Jul-26 · via Trustpilot

kund

Verified buyer

“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

23-Jul-26 · via Trustpilot

Onesi

Verified buyer

“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot

SAO JOHN

Verified buyer

“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”

23 July 2026 · via Trustpilot

Secure Checkout Global Delivery Easy Returns Genuine Products

Product Price History

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.
Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

€ 55

~~€ 74~~

Order now and get it around Saturday, August 22

QTY:

Secured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners

Fastest cross-border delivery

Features & Benefits

5.1Ah
3-5 years in standby service
F2
21W @ 15 minute rate
Home alarm, UPS backup systems, industrial or medical equipment, etc.
More than 260 cycles at 100% discharge

Ubuy Assurance

Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns ^*, and secure packaging on every order.

Platform Trust & Buyer Confidence

CSB HR1221W High Rate AGM Battery