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header-product CSB HR1221WF2 UPS battery Lead acid 12 V 5.1 Ah 1 pc
22.49 €

CSB HR1221WF2 UPS battery Lead acid 12 V 5.1 Ah 1 pc

UPS battery CSB HR1221WF2 Photo 1
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CSB HR1221WF2 UPS battery Lead acid 12 V 5.1 Ah 1 pc

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CSB HR1221WF2 UPS battery Lead acid 12 V 5.1 Ah 1 pc

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Short description

The CSB HR1221WF2 is a lead acid UPS battery with a voltage of 12 V and a capacity of 5.1 Ah. It is designed for reliable power backup in various applications. Weighing 1.8 kg, this battery is suitable for use in uninterruptible power supplies, ensuring continuous operation of connected devices during power outages.
Available at price 22.49 €: 30 pcs.
Total available for order: 71 pcs.
Warranty: 1 Year
SKU: 237066
Manufacturer: csb
delivery
to the Customer Service Center at Kengaraga 2b, Riga
30.06.2026 {{selectedOffer.officeDeliveryString}}
free
Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
30.06.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
03.07.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 1.78 kg)
Parcel couriers
Latvijas Pasts pakomāts / Unisend LV / DPD Paku skapis / Omniva LV / Venipak Pickup LV / Venipak Locker LV / Latvijas Pasts nodaļa
03.07.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.99 €
payment
Payment Methods:
Bank transfer, Bank cards on-line, Apple Pay, Google Pay
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Product information

Description

The CSB HR1221WF2 is a 12 V, 5.1 Ah lead-acid battery designed for high-efficiency discharge applications. It features a compact size, light weight and is intended for use in uninterruptible power supplies and other backup power systems. The battery supports more than 260 cycles at 100% discharge in cyclic service and offers up to 5 years of service life in standby applications.

Advantages

The HR1221WF2 provides high discharge efficiency in a small, lightweight package, making it suitable for installations with limited space. Its sealed lead-acid construction requires no maintenance and delivers reliable performance for UPS and standby power. The battery’s specifications (12 V, 5.1 Ah) and standard form factor simplify replacement and integration into existing systems.

Suitable for

  • Uninterruptible power supplies (UPS)
  • Standby power systems
  • Low-power telecom and networking equipment backup
  • Emergency lighting

Key specifications

  • Voltage: 12 V
  • Capacity: 5.1 Ah
  • Battery technology: Lead acid (sealed)
  • Colour: Black
  • Quantity included: 1 pc
  • Weight: 1.8 kg
  • Cycle life: >260 cycles at 100% discharge (cycle service)
  • Standby life: Up to 5 years (standby service)

How to use

Install the CSB HR1221WF2 according to the UPS or equipment manufacturer’s instructions, ensuring correct polarity and secure terminal connections. Charge the battery fully before first use and place it in a well-ventilated, temperature-controlled environment. Periodically check the device for proper operation and replace the battery when capacity or performance no longer meets the application requirements.

Usage recommendations

Store and operate the battery within the manufacturer’s recommended temperature range, avoid deep discharges whenever possible to extend cycle life, and follow local regulations for disposal or recycling of lead-acid batteries.

Specifications

Number of batteries included:
1 pc(s)
Weight:
1.8 kg
Battery technology:
Lead Acid
Product colour:
Black
All features

Features

Number of battery cells:
6
Product colour:
Black
Battery life:
5 year(s)
Hot-swap battery:
Yes
Battery voltage:
12 V
Number of batteries included:
1 pc(s)
Battery capacity:
5.1 Ah
Maximum discharge current:
90 A

Weight & dimensions

Weight:
1.8 kg

Battery

Battery technology:
Lead Acid

Operational conditions

Storage temperature (T-T):
-15 - 40
Operating temperature (T-T):
-15 - 50

Description

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Stock data
Warehouse Stock Delivery to the store Store Price
EU1 30 30.06.2026 Best delivery 22.49 €
WH356 30 06.07.2026 29.99 €
WH356 11 06.07.2026 31.49 €
22.49 €
Stock: 30
Delivery Date: 30.06.2026 Best delivery
Warehouse: EU1
29.99 €
Stock: 30
Delivery Date: 06.07.2026
Warehouse: WH356
31.49 €
Stock: 11
Delivery Date: 06.07.2026
Warehouse: WH356

Customer reviews

Customer questions

FAQ

How much does the UPS battery CSB HR1221WF2 cost, and is it available for purchase?

The price is 22.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 71 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 30.06.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All csb products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized csb service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: number of batteries included, weight, battery technology, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.
warranty
14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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Fast Delivery Get your orders as quickly as possible — right to your door, parcel lockers, or pickup points across Latvia and the EU.
payment
Secure Payment Pay the way you prefer: cash, VISA, MasterCard, Apple Pay, Google Pay, bank transfer, or 0% installment plan.
warranty
Quality Since 2008 AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.