# Sealed Lead Acid Battery CSB HR1221WF2 12V 21W 5000mAh FASTON 250, 14.4–15V charge, 90A max discharge

**URL:** https://aio.lv/en/product--csb-hr1221wf2--7167262
**Data updated:** 2026-01-21 10:59 (EET)
**Category:** UPS Batteries
**Manufacturer:** csb
**Manufacturer code:** HR1221WF2
**Warranty:** 1 Year
**Availability:** Available for order
**Price:** 25.49 €
**Prices and availability valid until:** 2026-07-11 23:59
**Price without VAT (21%):** 21.07 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--csb-hr1221wf2--7167262

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Tuesday | free |
| Pickup points | 19.06.2026 | 1.99 EUR |
| Courier delivery to door | 19.06.2026 | 4.99 EUR |

## Summary description

Sealed Lead Acid (VRLA) battery CSB HR1221WF2, nominal 12 V and 21 W with 5000 mAh (5.3 Ah) capacity. Equipped with FASTON 250 terminals, max charging current 2.1 A and charging voltage 14.4–15 V. Max discharge current 90 A. Compact dimensions (90×70×106 mm) and approx. 1.8 kg weight. Designed for backup power, UPS, alarm systems and other standby applications. Storage and operating range −15 to 40 °C. Handle terminals carefully to avoid short circuits.

## Long description

The CSB HR1221WF2 Sealed Lead Acid Battery 12V 21W 5000mAh is a valve-regulated lead acid (VRLA) battery designed for standby and high-current applications. It provides 12 volts nominal output and a 5000mAh capacity in a compact, black case. The battery is intended for use where reliable, maintenance-free power is required and meets RoHS and CE conformity standards. Physical dimensions and weight make it suitable for installations with limited space.
Advantages
This sealed lead acid battery offers maintenance-free operation with a leak-proof, valve-regulated design that minimizes gas emissions during normal use. Its 12V nominal voltage and 5000mAh capacity support sustained high-current draw, while the robust housing and standardized form factor simplify replacement and integration. Compliance with RoHS and CE ensures that the battery meets common environmental and safety directives.
Suitable for
Uninterruptible power supplies (UPS) for small to medium systems
Emergency lighting and exit signs
Alarm and security systems
Portable power equipment and backup modules
Telecommunications and network devices requiring standby power
Key specifications
Battery type: Sealed Lead Acid (VRLA)
Nominal voltage: 12 V
Capacity: 5000 mAh
Power rating: 21 W
Weight: 2.5 kg
Colour: Black
Form factor: compact rectangular case with standard terminals
Standards: RoHS and CE compliant
How to use
Install the battery according to the equipment manufacturer’s instructions, ensuring correct polarity when connecting to terminals. Use in a well-ventilated area and secure the battery to prevent movement or short circuits. For initial commissioning, follow the charging procedure recommended by the host device; do not attempt to charge with incompatible chargers. Replace batteries with identical type and specifications to maintain device performance.
Usage recommendations
Store the battery at moderate temperatures and avoid prolonged exposure to high heat. Periodically check terminal connections for corrosion and ensure the battery is charged per the equipment’s maintenance schedule. Dispose of the battery in accordance with local regulations for lead-acid batteries; do not incinerate or dispose of in household waste.

## Specifications

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 2.5 kg |
| Height | 98.6 mm |
| Width | 64.8 mm |
| Depth | 150.9 mm |

### Operational conditions

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

### Certificates

| Feature | Value |
|---|---|
| Certification | CE |
| Compliance certificates | RoHS |

### 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 | 34 Wh |
| Battery capacity | 9 Ah |

### Battery

| Feature | Value |
|---|---|
| Battery technology | Sealed Lead Acid (VRLA) |

## FAQ

### How much does the Sealed Lead Acid Battery CSB HR1221WF2 12V 21W cost, and is it available for purchase?

The price is 25.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 12 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 Tuesday 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: battery technology, weight, number of batteries included, 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/7167262/51137336_large.webp