# Sealed GEL 12V Battery COSI CSB-1220 GEL 20Ah for Backup Power and Renewable Systems

**URL:** https://aio.lv/en/product--cosi-csb-1220-gel--10129425
**Data updated:** 2026-02-16 06:59 (EET)
**Category:** Batteries
**Manufacturer:** COSI
**Manufacturer code:** CSB-1220 GEL
**EAN:** 3100001375620
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 50.61 €
**Prices and availability valid until:** 2026-07-22 23:59
**Price without VAT (21%):** 41.83 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--cosi-csb-1220-gel--10129425

## 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 GEL 12V battery COSI CSB-1220 GEL with 20Ah capacity designed for backup power, alarm systems, UPS, mobility scooters, and small renewable installations. Maintenance-free construction with gel electrolyte reduces leakage risk and allows varied mounting positions. Suitable where reliable, compact 12V energy storage is required for intermittent or standby use.

## Long description

The Sealed GEL 12V Battery COSI CSB-1220 GEL 20Ah is a compact, maintenance-free energy storage unit designed for standby and intermittent use in backup power and small renewable systems. Using a gel electrolyte and sealed construction, the battery minimizes leakage risk and supports variable mounting orientations. Its 12V nominal voltage and 20Ah capacity offer a reliable source of power for alarm systems, UPS units, mobility scooters, and other low- to moderate-drain applications that require compact, long-lasting 12V supply.
Advantages
The gel electrolyte and sealed design provide maintenance-free operation and reduced risk of electrolyte evaporation or spillage compared to flooded batteries. The battery’s construction allows for flexible installation angles and safer indoor use. Low self-discharge characteristics and deep-cycle tolerance for standby conditions help maintain charge over long storage periods and support repeated discharge-recharge cycles typical of backup applications. Compact dimensions make it suitable for confined enclosures and portable systems.
Suitable for
Uninterruptible power supplies (UPS) for small electronics and network equipment
Alarm and security systems, including control panels and sensors
Mobility scooters, electric wheelchairs, and small personal mobility devices
Small off-grid or renewable energy setups, such as solar charge systems for lights or sensors
Emergency lighting and standby power for communication devices
Key specifications
Nominal voltage: 12 volts
Rated capacity: 20 ampere-hours (Ah)
Chemistry: valve-regulated lead-acid with gel electrolyte
Sealed, maintenance-free construction
Designed for standby and cyclic use with low self-discharge rate
Support for multiple mounting orientations
Typical operating temperature range suitable for indoor and sheltered outdoor installations
How to use
Install the battery in a dry, well-ventilated location and secure it to prevent movement. Connect using appropriate polarity and properly rated terminals or leads; ensure connections are tight and free of corrosion. Charge the battery with a compatible charger or charge controller designed for sealed gel batteries, following recommended charging voltage and current limits for 12V gel cells. For backup applications, integrate with the system’s charging and control circuitry so the battery remains on float charge and is automatically used during power interruptions.
Usage recommendations
For long service life, avoid deep discharges whenever possible and recharge the battery promptly after significant discharge. Use a charger or controller with a gel-specific charging profile and temperature compensation if the battery will operate across varying ambient temperatures. Store batteries at a partial state of charge in a cool, dry place and perform periodic recharge during extended storage to prevent capacity loss from self-discharge.

## FAQ

### How much does the 12V COSI CSB-1220 GEL 20Ah battery cost, and is it available for purchase?

The price is 50.61 € (valid at the time of publication and already includes all taxes). The item is available for order — 6 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/10129425/52389795_large.webp