# UPS battery CYBERPOWER RBP0128 — Sealed Lead Acid (VRLA), 48 V, 4 pcs, 9.5 kg, black

**URL:** https://aio.lv/en/product--cyberpower-rbp0128--10721825
**Data updated:** 2026-03-20 09:46 (EET)
**Category:** UPS Batteries
**Manufacturer:** CYBERPOWER
**Manufacturer code:** RBP0128
**EAN:** 4712856275728
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

Replacement UPS battery pack CYBERPOWER RBP0128 with Sealed Lead Acid (VRLA) chemistry, nominal voltage 48 V and four batteries included. Designed for use in compatible uninterruptible power supply systems to provide backup power and load support. Compact, black enclosure dimensions and 9.5 kg weight make it suitable for rack or cabinet installations and service replacement.

## Long description

Replacement UPS battery pack CYBERPOWER RBP0128 provides a 48 V nominal voltage using Sealed Lead Acid (VRLA) technology in a compact black enclosure. The pack includes four batteries and is intended for installation in compatible uninterruptible power supply systems to restore or extend backup runtime and support critical loads. With a total weight of 9.5 kg and a form factor suitable for rack or cabinet installations, this battery pack is intended for service replacement and routine maintenance of UPS units.
Advantages
CYBERPOWER RBP0128 uses VRLA battery technology that allows installation without liquid maintenance and provides stable, predictable discharge behavior under UPS load conditions. The 48 V nominal voltage and four-cell configuration match many standby and line-interactive UPS architectures, enabling straightforward replacement and interoperability with compatible systems. The compact black enclosure and moderate weight simplify handling and mounting during service operations.
Suitable for
 Replacing depleted or aged battery packs in compatible UPS systems
 Extending backup runtime for network equipment, servers and telecom devices
 Rack or cabinet installations where a compact 48 V battery pack is required
 Preventive maintenance programs for uninterrupted power systems
Key specifications
 Battery technology: Sealed Lead Acid (VRLA)
 Nominal voltage: 48 V
 Number of batteries included: 4
 Colour: Black enclosure
 Weight: 9.5 kg
How to use
Before replacing batteries, power down the UPS according to the manufacturer's service instructions and isolate the unit from mains power. Observe correct polarity and connector alignment when installing the CYBERPOWER RBP0128 pack into the compatible UPS bay or compartment. Secure the enclosure in the rack or cabinet mounting location and reconnect the UPS to mains power. Allow the UPS to perform any required battery conditioning or charge cycle as specified by the UPS manufacturer before returning the connected load to full operation.
Usage recommendations
Store and operate the battery pack within the temperature and humidity ranges specified by the UPS manufacturer. Inspect connectors and mounting hardware for corrosion or damage before installation. Dispose of replaced batteries according to local regulations for lead-acid battery recycling.

## Specifications

### Battery

| Feature | Value |
|---|---|
| Battery technology | Sealed Lead Acid (VRLA) |

### Logistics data

| Feature | Value |
|---|---|
| Country of origin | China |
| Harmonized System (HS) code | 8506808000 |

### Operational conditions

| Feature | Value |
|---|---|
| Operating altitude | 0 - 3000 |
| Operating relative humidity (H-H) | 0 - 95 |
| Storage temperature (T-T) | -15 - 45 |
| Operating temperature (T-T) | 0 - 40 |
| Storage relative humidity (H-H) | 0 - 95 |
| Non-operating altitude | 0 - 15000 |

### Features

| Feature | Value |
|---|---|
| Compatibility | PR1000ERT2U
PR1000ERTXL2U |
| Product colour | Black |
| Battery voltage | 48 V |
| Number of batteries included | 4 pc(s) |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 10400 g |
| Package depth | 480 mm |
| Package height | 165 mm |
| Package width | 365 mm |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 9.5 kg |
| Height | 67 mm |
| Width | 207 mm |
| Depth | 314 mm |

## FAQ

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. 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 CYBERPOWER 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 CYBERPOWER 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

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: battery technology, weight, number of batteries included, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

### Where can I download the instructions for CYBERPOWER RBP0128 UPS battery 48 V (4 pcs)?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/10721825/59824599_large.webp