# Rechargeable 12V 7.5Ah GEL Battery COSI CSB-127.5 with T1 Terminal

**URL:** https://aio.lv/en/product--cosi-csb-1275-gel--7271812
**Data updated:** 2026-02-12 14:22 (EET)
**Category:** Batteries
**Manufacturer:** COSI
**Manufacturer code:** CSB-127.5 GEL
**EAN:** 3100001310232
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 16.89 €
**Prices and availability valid until:** 2026-07-20 23:59
**Price without VAT (21%):** 13.96 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--cosi-csb-1275-gel--7271812

## 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

COSI CSB-127.5 is a sealed rechargeable 12V 7.5Ah GEL battery with T1 terminal designed for reliable standby and cyclic use. The gel electrolyte provides low maintenance and leak-free performance, suitable for UPS, alarm systems, emergency lighting, and small renewable setups. Compact size and T1 terminal ensure easy installation and stable contact for frequent use.

## Long description

COSI CSB-127.5 is a sealed rechargeable 12V 7.5Ah GEL battery with a T1 terminal designed for reliable standby and cyclic use. The gel electrolyte construction provides low maintenance and leak-free performance while offering stable voltage delivery for small to medium power applications. Its compact dimensions and T1 terminal make it suitable for confined installations and ensure secure contact under repeated charge–discharge cycles.
Advantages
The gel design prevents electrolyte leakage and reduces the need for regular maintenance compared with flooded batteries. As a sealed battery, it delivers stable performance in standby and cyclic roles, with good resistance to deep discharge when used according to manufacturer guidelines. The T1 terminal allows for quick and reliable connection, and the compact form factor supports installation in UPS cabinets, alarm enclosures, and compact renewable energy modules.
Suitable for
Uninterruptible Power Supplies (UPS)
Alarm and security systems
Emergency lighting and exit signs
Small solar or renewable power setups and charge controllers
Portable equipment requiring a sealed 12V 7.5Ah power source
Key specifications
Nominal voltage: 12 V
Nominal capacity: 7.5 Ah
Electrolyte type: GEL (sealed)
Terminal type: T1 (faston/plug style)
Designed for: standby and cyclic operation
How to use
Install the battery in a well-ventilated, dry location that matches the equipment manufacturer’s temperature and space recommendations. Connect the T1 terminals to matching connectors, ensuring correct polarity. For initial use, charge the battery using a charger compatible with sealed GEL batteries and follow the charger’s charge profile for 12V sealed lead-acid/GEL types. Avoid deep discharges below recommended depth of discharge and store the battery at a partial state of charge if not used for extended periods. Follow local regulations for disposal and recycling of lead-acid batteries.
Usage recommendations
Use a dedicated GEL-capable charger and maintain regular charging cycles for standby applications to maximize service life. Avoid high ambient temperatures and mechanical stress; inspect terminals for secure connection and corrosion periodically.

## FAQ

### How much does the 12V 7.5Ah GEL Battery COSI CSB-127.5 cost, and is it available for purchase?

The price is 16.89 € (valid at the time of publication and already includes all taxes). The item is available for order — 5 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/7271812/52431688_large.webp

