# LiFePO4 battery QOLTEC 12.8V 50Ah (model 53704) for backup and energy storage

**URL:** https://aio.lv/en/product--qoltec-53704--10540160
**Data updated:** 2026-02-19 13:17 (EET)
**Category:** UPS Batteries
**Manufacturer:** QOLTEC
**Manufacturer code:** 53704
**EAN:** 5901878537047
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 131.99 €
**Prices and availability valid until:** 2026-07-28 23:59
**Price without VAT (21%):** 109.08 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--qoltec-53704--10540160

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 21.07.2026 | free |
| Pickup points | 24.07.2026 | 1.89 EUR |
| Courier delivery to door | 24.07.2026 | 5.97 EUR |

## Summary description

Rechargeable LiFePO4 battery QOLTEC 12.8V 50Ah (53704) provides stable 12.8 V output and 50 Ah capacity for backup power, off‑grid systems, telecom equipment, UPS and energy storage. Designed for long cycle life and safe chemistry of LiFePO4, it suits applications needing reliable, compact energy supply and predictable runtime for devices and small installations.

## Long description

The LiFePO4 battery QOLTEC 12.8V 50Ah (model 53704) is a rechargeable lithium iron phosphate battery that delivers a stable 12.8 V output and rated 50 Ah capacity intended for backup power and energy storage applications. Its chemistry and construction provide a predictable discharge behavior, low self-discharge and a compact form factor suitable for UPS systems, telecom equipment, off‑grid installations and other small to medium energy storage needs.
Advantages
The battery uses LiFePO4 chemistry which offers a long cycle life, enhanced thermal and chemical stability, and a lower risk of thermal runaway compared with other lithium battery types. It provides a consistent voltage profile during discharge and retains capacity over many charge/discharge cycles, enabling reliable runtime estimation. The compact 12.8 V module and moderate 50 Ah capacity make it convenient for replacing lead‑acid batteries while reducing weight and maintenance requirements.
Suitable for
 Uninterruptible power supplies (UPS) for small servers and network equipment
 Backup power for telecom cabinets and monitoring systems
 Off‑grid energy storage for solar or wind micro systems
 Battery banks for RVs, boats, and portable power setups
 Emergency lighting and security systems
Key specifications
 Nominal voltage: 12.8 V
 Rated capacity: 50 Ah
 Battery chemistry: Lithium iron phosphate (LiFePO4)
 Typical use: Rechargeable energy storage for backup and off‑grid systems
 Form factor: Compact sealed module suitable for cabinet installation
 Operating temperature range: typical LiFePO4 operating range suitable for indoor installations (consult device limits)
How to use
Install the battery in a dry, ventilated location and secure it according to the installation space and equipment manufacturer’s instructions. Connect to compatible 12.8 V systems, ensuring correct polarity and using recommended cable sizes and terminal connections. Charge the battery with a charger or charge controller designed for LiFePO4 chemistry and follow the specified charge voltage and current limits to maintain battery life. Avoid deep discharge beyond recommended depth of discharge and monitor state of charge where possible.
Usage recommendations
For best results, use a dedicated LiFePO4 charger or BMS‑compatible charging system, maintain ambient temperatures within the recommended operating range, and store the battery partially charged if it will not be used for extended periods. Regularly check connections and system settings to ensure reliable backup performance.

## FAQ

### How much does the LiFePO4 battery QOLTEC 53704 12.8V 50Ah cost, and is it available for purchase?

The price is 131.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 666 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 21.07.2026 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 LiFePO4 battery QOLTEC 53704 12.8V 50Ah 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/10540160/60109311_large.webp