# AGM battery QOLTEC 12V 18Ah maintenance-free long-life for UPS and electric scooters

**URL:** https://aio.lv/en/product--qoltec-csb-1218-2-qoltec--11682763
**Data updated:** 2026-02-16 07:11 (EET)
**Category:** UPS Batteries
**Manufacturer:** QOLTEC
**Manufacturer code:** CSB-1218 2 QOLTEC
**EAN:** 310000236902
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 79.65 €
**Prices and availability valid until:** 2026-07-17 23:59
**Price without VAT (21%):** 65.83 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--qoltec-csb-1218-2-qoltec--11682763

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 26.06.2026 | free |
| Pickup points | 01.07.2026 | 1.99 EUR |
| Courier delivery to door | 01.07.2026 | 4.99 EUR |

## Summary description

Sealed AGM lead-acid battery QOLTEC 12V 18Ah, maintenance-free and designed for long service life (LongLife). Suitable for UPS systems, electric scooters and other DC backup or traction applications. Provides stable 12V output, reliable starting and backup power, easy installation and low self-discharge for extended standby periods.

## Long description

Sealed AGM lead-acid battery QOLTEC 12V 18Ah maintenance-free long-life for UPS and electric scooters provides stable 12V output and is designed for prolonged standby and cyclic use. The valve-regulated AGM construction prevents electrolyte leakage and reduces maintenance needs, while the LongLife design increases service life compared with standard lead-acid cells. This battery is compatible with a wide range of DC backup, traction and portable power applications requiring a compact sealed battery with predictable discharge characteristics.
Advantages
The battery delivers a consistent 12V voltage and rated 18Ah capacity with low self-discharge for long storage times. Absorbent Glass Mat (AGM) technology ensures spill-proof operation and improved vibration resistance. Maintenance-free design eliminates the need for topping up electrolyte, and the sealed construction enables flexible mounting positions. The chemistry and construction support reliable charge acceptance and long service intervals in standby and cyclic regimes.
Suitable for
Uninterruptible Power Supplies (UPS) for home or small office backup
Electric scooters and small electric vehicles
DC backup systems, emergency lighting and alarm systems
Portable power packs and DIY traction projects
Telecom and network equipment with 12V power requirements
Key specifications
Nominal voltage: 12 V
Rated capacity: 18 Ah (C20)
Battery type: Sealed AGM lead-acid, valve-regulated
Maintenance: Maintenance-free, no electrolyte topping required
Typical mounting: Flexible mounting orientation allowed (check device requirements)
Self-discharge: Low self-discharge for extended storage
Typical applications: Standby and cyclic use for backup and traction
How to use
Install the battery in a compatible compartment or battery holder that accepts a sealed 12V battery of this size. Ensure correct polarity when connecting to the device or charger and use appropriately rated connectors and cables. Charge the battery with a charger or charging system configured for sealed lead-acid AGM batteries, following manufacturer-recommended charge voltages and current limits. For UPS applications, verify that the UPS charging profile matches AGM specifications; for traction use, follow vehicle manufacturer guidance for mounting and wiring.
Usage recommendations
Store and operate the battery within specified temperature ranges and avoid deep discharge whenever possible to extend service life. Regularly verify charge status if stored for long periods and recharge to recommended levels before putting back into service. Replace the battery at end-of-life or when capacity falls below the required runtime for your application.

## FAQ

### How much does the AGM battery QOLTEC 12V 18Ah cost, and is it available for purchase?

The price is 79.65 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 26.06.2026 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 AGM battery QOLTEC 12V 18Ah 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 QOLTEC 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 QOLTEC 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/11682763/67019991_large.webp