# 12V 33Ah COSI CSB-1233 GEL sealed lead‑acid battery, T1 terminal

**URL:** https://aio.lv/en/product--cosi-csb-1233-gel--10634242
**Data updated:** 2026-02-12 22:01 (EET)
**Category:** Batteries
**Manufacturer:** COSI
**Manufacturer code:** CSB-1233 GEL
**EAN:** 3100001461521
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 86.62 €
**Prices and availability valid until:** 2026-07-24 23:59
**Price without VAT (21%):** 71.59 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--cosi-csb-1233-gel--10634242

## 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 12V 33Ah GEL lead‑acid battery COSI CSB-1233 GEL with T1 terminal. Designed for standby power, UPS, alarm systems, emergency lighting and small renewable setups. Maintenance‑free GEL electrolyte offers improved vibration resistance, low self‑discharge and stable output for reliable long‑term backup power in compact installations.

## Long description

COSI CSB-1233 GEL is a sealed 12V 33Ah GEL lead‑acid battery with T1 terminals designed for compact backup and standby applications. The battery uses a gel electrolyte that eliminates the need for regular maintenance, reduces the risk of leakage, and improves resistance to vibration. Its stable voltage output and low self‑discharge make it suitable for long‑term standby service in UPS, alarm systems, emergency lighting and small renewable energy setups where reliable, compact power is required.
Advantages
The GEL construction provides maintenance‑free operation and enhanced vibration tolerance compared with flooded cells. Low self‑discharge preserves capacity during storage and intermittent use. The sealed design prevents electrolyte leakage and allows flexible mounting orientations. T1 terminals offer secure, standardized connections for accessory wiring and quick installation in compact enclosures.
Suitable for
Uninterruptible Power Supplies (UPS) for home or small office equipment
Alarm and security systems requiring reliable standby power
Emergency and exit lighting installations
Small off‑grid or hybrid renewable energy systems and charge controllers
Backup power for telecommunications and network devices
Key specifications
Nominal voltage: 12 V
Rated capacity: 33 Ah (at specified discharge rate)
Electrolyte type: GEL (sealed)
Terminal type: T1
Maintenance: maintenance‑free, sealed construction
Self‑discharge: low self‑discharge for extended storage
Mounting: can be mounted in various positions (follow manufacturer guidelines)
How to use
Install the battery in a well‑ventilated, dry location within the device enclosure, observing correct polarity and secure connection to the T1 terminals. Ensure the charging system used matches the battery chemistry and recommended charging voltage for GEL lead‑acid batteries. For long life, keep the battery at moderate temperatures and avoid deep discharges whenever possible. Follow the equipment manufacturer’s instructions for wiring, fusing and enclosure clearances.
Usage recommendations
Use a compatible charger with GEL‑specific charge profile, monitor state of charge periodically, and store batteries at partial charge in cool conditions. Avoid prolonged deep discharge cycles and high ambient temperatures to maximize service life.

## FAQ

### How much does the 12V 33Ah COSI CSB-1233 GEL battery cost, and is it available for purchase?

The price is 86.62 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 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, Installment. All transactions are 100% secure and encrypted.

### Can 12V 33Ah COSI CSB-1233 GEL battery be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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

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