# 12V GEL battery COSI CSB-127 7Ah T1 — sealed rechargeable lead‑acid battery

**URL:** https://aio.lv/en/product--cosi-csb-127-gel--7271813
**Data updated:** 2026-02-12 14:22 (EET)
**Category:** UPS Batteries
**Manufacturer:** COSI
**Manufacturer code:** CSB-127 GEL
**EAN:** 3100001310195
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 15.84 €
**Prices and availability valid until:** 2026-07-22 23:59
**Price without VAT (21%):** 13.09 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--cosi-csb-127-gel--7271813

## 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 GEL rechargeable battery COSI CSB-127 with 7Ah capacity and T1 terminal. Designed for standby power, UPS systems, alarm and security devices, and small renewable setups. Maintenance‑free GEL electrolyte construction provides low self‑discharge, reliable deep cycle and float performance in compact form for easy installation and replacement.

## Long description

Sealed 12V GEL rechargeable battery COSI CSB-127 7Ah with T1 terminal provides a compact, maintenance-free power source for standby and cyclic applications. The GEL electrolyte construction reduces water loss and self-discharge, offering stable float and deep-cycle performance in a small footprint designed for easy installation and replacement in UPS units, alarm systems, and small renewable energy setups.
Advantages
The sealed GEL design ensures minimal maintenance and reliable performance over repeated charge-discharge cycles. Low self-discharge extends shelf life and reduces the need for frequent recharging. The T1 terminal layout simplifies installation in many common battery holders and UPS trays. Its compact dimensions and valve-regulated construction improve safety and allow use in confined spaces where ventilation is limited.
Suitable for
 Uninterruptible Power Supplies (UPS) for home and small office equipment
 Alarm and security systems, including control panels and detectors
 Emergency lighting and exit signs
 Small off-grid or micro-renewable installations for low-power loads
 Portable medical and monitoring devices requiring sealed lead-acid backup
Key specifications
 Nominal voltage: 12 V
 Nominal capacity: 7 Ah (at standard discharge rate)
 Electrolyte type: GEL (sealed, valve-regulated)
 Terminal type: T1 (faston/tab connection)
 Recommended operating temperature range: typical for sealed lead‑acid batteries
 Applications: standby (float) and cyclic use
 Construction: maintenance-free, spill-proof
How to use
Install the battery in the correct orientation and secure it within the device battery compartment or rack. Connect the T1 terminals ensuring proper polarity and firm contact. For float applications such as UPS or alarm systems, use a compatible charger or float voltage setting recommended for sealed GEL batteries. For cyclic use, follow the charger manufacturer's profile for sealed lead-acid/GEL chemistry to avoid under- or over-charging. Avoid deep discharges whenever possible to prolong service life. Observe safety procedures when handling and installing batteries, including using appropriate personal protective equipment and avoiding short circuits.
Usage recommendations
Store and operate the battery within moderate temperature ranges, perform periodic charge checks if stored long-term, and replace the battery at the end of its service life or when capacity falls below the level required for reliable backup. Use a charger compatible with sealed GEL batteries and maintain correct float or cyclic charging voltages to maximize performance and longevity.

## FAQ

### How much does the 12V GEL battery COSI CSB-127 7Ah T1 cost, and is it available for purchase?

The price is 15.84 € (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 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/7271813/52365940_large.webp