# Sealed AGM VRLA 6V Battery COSI CSB-61.3 1.3Ah T1 for standby and portable power

**URL:** https://aio.lv/en/product--cosi-csb-613--11636546
**Data updated:** 2026-02-15 18:49 (EET)
**Category:** UPS Batteries
**Manufacturer:** COSI
**Manufacturer code:** CSB-61.3
**EAN:** 3100000613877
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 4.06 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 3.36 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--cosi-csb-613--11636546

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 22.06.2026 | free |
| Pickup points | 29.06.2026 | 1.99 EUR |
| Courier delivery to door | 29.06.2026 | 4.99 EUR |

## Summary description

This COSI CSB-61.3 is a sealed AGM VRLA 6V lead‑acid battery with 1.3Ah capacity and T1 terminal type. Designed for standby, UPS, alarm and portable power applications, it provides maintenance‑free operation and spill‑proof safety. Compact and rechargeable, it offers reliable short‑term power backup and easy installation in confined spaces.

## Long description

The COSI CSB-61.3 is a sealed AGM VRLA 6V lead‑acid battery with a rated capacity of 1.3Ah and T1 terminal type. It is engineered for maintenance‑free operation and spill‑proof safety, providing compact, rechargeable short‑term power for standby and portable power applications. Its small form factor allows installation in confined spaces where reliable backup is required.
Advantages
This sealed AGM VRLA battery offers valve‑regulated, leak‑proof construction and maintenance‑free operation, reducing the need for periodic servicing. Its absorbed glass mat (AGM) technology enables low internal resistance for efficient charge acceptance and stable discharge performance. The compact 6V design and robust housing make it suitable for repeated charge/discharge cycles in UPS, alarm systems and portable equipment while minimizing ventilation requirements.
Suitable for
Uninterruptible power supplies (UPS) for short‑term backup
Alarm and security systems
Portable power packs and emergency lights
Compact instrumentation and monitoring devices
Small telecom or network equipment requiring 6V standby power
Key specifications
Battery type: Sealed AGM VRLA lead‑acid
Nominal voltage: 6V
Capacity: 1.3 Ah (ampere‑hours)
Terminal type: T1
Maintenance: Maintenance‑free, no water addition required
Design: Spill‑proof, valve‑regulated
Rechargeable: Yes, designed for cyclic and standby use
Typical applications: Standby power, portable devices, alarm systems
How to use
Install the battery in the correct orientation and connect to the device using the T1 terminal contacts, ensuring proper polarity. Charge the battery with a compatible lead‑acid battery charger or charging system configured for sealed AGM batteries and a 6V nominal voltage. Observe manufacturer‑recommended charge voltages and current limits to avoid overcharging; use temperature compensation if available. For standby installations, keep the battery connected to the float charger to maintain full charge and periodically verify terminal connections and voltage levels.
Usage recommendations
Store and operate the battery within recommended temperature ranges, avoid deep discharge cycles when possible, and replace the battery when capacity no longer meets runtime requirements. Follow local regulations for recycling and disposal of lead‑acid batteries.

## FAQ

### How much does the 6V AGM VRLA Battery COSI CSB-61.3 1.3Ah cost, and is it available for purchase?

The price is 4.06 € (valid at the time of publication and already includes all taxes). The item is available for order — 10 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 22.06.2026 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 COSI 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 COSI 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

## Image

https://aio.lv/img/cache/product/11636546/66868746_large.webp