# Rechargeable 6V Sealed Gel Battery COSI CSB-63.3 GEL 3.3Ah

**URL:** https://aio.lv/en/product--cosi-csb-633-gel--10634241
**Data updated:** 2026-02-12 22:01 (EET)
**Category:** Batteries
**Manufacturer:** COSI
**Manufacturer code:** CSB-63.3 GEL
**EAN:** 3100001461583
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 10.68 €
**Prices and availability valid until:** 2026-07-22 23:59
**Price without VAT (21%):** 8.83 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--cosi-csb-633-gel--10634241

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 02.07.2026 | free |
| Pickup points | 07.07.2026 | 1.89 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

Sealed 6V gel rechargeable battery COSI CSB-63.3 GEL with 3.3Ah capacity. Designed for reliable standby and cyclic use in small UPS, alarm systems, emergency lighting, portable equipment and instruments requiring a compact sealed lead-acid power source. Maintenance-free, spill-proof construction and valve-regulated gel electrolyte provide stable performance and safe installation.

## Long description

Sealed 6V gel rechargeable battery COSI CSB-63.3 GEL with 3.3Ah capacity provides a compact, maintenance-free power source for small standby and cyclic applications. The valve-regulated gel electrolyte and spill-proof construction ensure safe installation in confined spaces and varied orientations. Designed to deliver stable performance for devices that require a sealed lead-acid solution with low self-discharge and dependable recharge characteristics.
Advantages
The gel electrolyte design minimizes the risk of leakage and allows safe operation in different mounting positions without routine maintenance. With a rated 6V output and 3.3Ah capacity, the battery supports stable discharge behavior and reliable recharge cycles suitable for both standby and cyclic use. Its sealed, maintenance-free construction reduces installation effort and the need for periodic servicing, while the valve-regulated design controls gas recombination for safer long-term performance.
Suitable for
 Small uninterruptible power supplies (UPS) for consumer and light commercial equipment
 Alarm and security systems
 Emergency and exit lighting
 Portable instruments and measurement devices
 Backup power for communication and monitoring modules
Key specifications
 Nominal voltage: 6 V
 Capacity: 3.3 Ah (ampere-hours)
 Electrolyte type: gel (valve-regulated)
 Construction: sealed, maintenance-free, spill-proof
 Intended use: standby and cyclic operation
 Typical applications: small UPS, alarms, emergency lighting, portable equipment
How to use
Install the battery in a compatible holder or device designed for a 6V sealed lead-acid module, observing polarity and terminal type. Charge the battery with a suitable charger or charging circuit configured for sealed gel lead-acid batteries, using appropriate charge voltage and current limits recommended for 6V gel cells. For standby applications, keep the battery on a float charge per the equipment manufacturer’s guidance. Avoid deep discharges where possible to extend cycle life; recharge promptly after use.
Usage recommendations
Store and operate the battery within recommended temperature ranges to maximize service life. Use a charger with gel-specific charge profile or a regulated float charger to prevent overcharging. Inspect installation points for secure connections and avoid exposure to open flames or direct heat sources. For long-term storage, maintain a partial charge and recharge periodically to prevent capacity loss.

## FAQ

### How much does the 6V Gel Battery COSI CSB-63.3 GEL 3.3Ah cost, and is it available for purchase?

The price is 10.68 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 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 02.07.2026 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 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/10634241/54825922_large.webp