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

**URL:** https://aio.lv/en/product--csb-hr1221w-f2--237066
**Data updated:** 2026-01-05 20:30 (EET)
**Category:** UPS Batteries
**Manufacturer:** csb
**Manufacturer code:** HR1221W F2
**Warranty:** 1 Year
**Availability:** Available for order
**Price:** 22.49 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 18.59 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--csb-hr1221w-f2--237066

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 01.07.2026 | free |
| Pickup points | 06.07.2026 | 1.99 EUR |
| Courier delivery to door | 06.07.2026 | 4.99 EUR |

## Summary 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.

## Long 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

### Features

| Feature | Value |
|---|---|
| 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

| Feature | Value |
|---|---|
| Weight | 1.8 kg |

### Battery

| Feature | Value |
|---|---|
| Battery technology | Lead Acid |

### Operational conditions

| Feature | Value |
|---|---|
| Storage temperature (T-T) | -15 - 40 |
| Operating temperature (T-T) | -15 - 50 |

## 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 01.07.2026 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. More information about warranty service: https://aio.lv/en/warranty

### 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.

## Image

https://aio.lv/img/cache/product/237066/66845419_large.webp