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RBC35

APC Replacement Battery Cartridge #35

APC (American Power Convertion) - APC Replacement Battery Cartridge #35, 12V 3Ah, sealed lead acid, replacement battery for APC UPS systems, compact maintenance free backup power cartridge. for APC Back-UPS models BE350G, BE350C
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Prices, images and descriptions are for reference purposes only & may change without prior notice. PLEASE RELY ON ABOVE DESCRIPTIONS AND NOT ON IMAGES. RBC35 APC Replacement Battery Cartridge #35 is available from Laptop Direct and it is sold as new from our UPS accessories range of products. For reference purposes, the price of R864 is valid 2026-10-21, and while stocks last, may be valid until . The price displayed is a guide for reference purposes only, and may change without prior notice. Reference prices are an invitation for potential buyers to make an offer to purchase, which we may reject without reason. A quote with final pricing is sent before a purchase can be made. T&C's apply. E&OE. Laptop Direct. You are looking at products found in the UPS accessories category.
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Specification for the entire series

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RBC35

APC Replacement Battery Cartridge #35

APC Replacement Battery Cartridge #35, 12V 3Ah, sealed lead acid, replacement battery for APC UPS systems, compact maintenance free backup power cartridge. for APC Back-UPS models BE350G, BE350C

About this product

The APC RBC35 Replacement Battery Cartridge is a 12V sealed lead-acid UPS battery designed to restore reliable backup power for compatible APC Back-UPS systems. Buy this maintenance-free replacement battery cartridge for quick installation and dependable power continuity during outages, helping protect critical electronics in home or office environments across South Africa.

Overview Summary

APC RBC35 Replacement Battery Cartridge Overview:

The APC RBC35 is a factory-designed replacement battery pack engineered for APC uninterruptible power supply (UPS) units. It uses a sealed, maintenance-free lead-acid design to deliver consistent backup power performance and restore UPS runtime to original specifications. It is built for direct compatibility with supported APC models and includes integrated connectors for straightforward installation.

This cartridge is designed to support reliable power protection for sensitive electronics such as computers, networking equipment, and point-of-sale systems. With a typical 3 to 5 year service life, it ensures long-term UPS dependability when correctly installed and used under standard operating conditions.

Ideal for users who need a fast, simple battery replacement solution, the RBC35 helps maintain uninterrupted power supply performance without requiring technical modification or complex setup.

What tier does this fall into?

Mid-range UPS replacement battery

What is this best for?

UPS backup power, computer power protection, router and networking backup, point-of-sale systems, small office electronics

Overview

The genuine APC Replacement Battery Cartridge (RBC) is tested and certified for 100% compatibility to the the specific APC UPS. This lead-acid RBC has a lifetime of three to five years which offers reliable support and extends the useful life of your UPS. The APC RBC comes fully assembled and ready for use.

Description

The APC RBC35 Replacement Battery Cartridge is designed as a direct-fit power solution for compatible APC UPS systems, restoring backup runtime and ensuring stable power delivery during outages. Built with sealed lead-acid (VRLA) technology, it offers maintenance-free operation and reliable electrical performance in demanding environments.

Its compact cartridge design allows for fast installation without special tools, making it suitable for both home users and IT professionals managing critical power backup systems. The battery is engineered to support consistent voltage output, helping protect sensitive devices from sudden shutdowns, data loss, and hardware damage.

Features

The APC RBC35 is engineered to deliver dependable UPS performance with a focus on safety, compatibility, and ease of replacement.

  • 12V sealed lead-acid battery for stable backup power output
  • Maintenance-free design for long-term reliability
  • Pre-assembled cartridge for quick and easy installation
  • Designed for APC UPS compatibility to ensure proper system integration
  • Typical service life of 3 to 5 years under normal operating conditions
  • Supports protection of critical electronics during power failures

What's in the Box

  • 1 x APC RBC35 Replacement Battery Cartridge
  • Integrated connectors
  • Installation guide
  • Battery recycling information

Specifications

© 2026 Respective owners and brand holders. This table has been carefully researched and generated by Laptop Direct CC (https://www.laptopdirect.co.za), however, errors and omissions may occur. Only references to South Africa apply. All products are sourced in South Africa from the official suppliers and the warranty is that of the local supplier. E&OE. This table and our site's content may be used on condition that this notice and link remains intact and unaltered.
Specifications and features
Product Code RBC35spacer
Main
Product or Component Type Replacement battery cartridge
Number of cables 1
Battery Type Lead-Acid battery
Provided Equipment All required connectors
Battery recycling guide
Reusable packaging
Installation guide
Batteries & Runtime
Battery Slots Empty 0
Included Battery Modules 0
Device mounting Stand alone battery stack
Battery Voltage 12 V
RBC Quantity 1
Physical
Color Black
Height 2.6 in (66 mm)
Width 2.3 in (58 mm)
Depth 5.3 in (134 mm)
Product Weight 3.09 lb(US) (1.4 kg)
Mounting Mode Not rack-mountable
Output
Battery Capacity 3 Ah
Environmental
Ambient air temperature for operation 32...104 degreesF (0...40 degreesC)
Operating altitude 0...10000 ft
Relative Humidity 0...95 %
Ambient Air Temperature for Storage 5...113 degreesF (-15...45 degreesC)
Storage altitude 0...50000 ft (0...15240 m)
Storage Relative Humidity 0...95 %

FAQ

What devices is the APC RBC35 compatible with?

The APC RBC35 is designed for select APC Back-UPS models that require this specific cartridge format. Compatibility should always be confirmed with your UPS model before purchase.

How long does the APC RBC35 battery last?

The typical service life is between 3 and 5 years depending on usage conditions, temperature, and load demand.

Is the APC RBC35 difficult to install?

No, it is designed as a plug-in cartridge with integrated connectors, allowing for quick replacement without technical modification.

Does this battery require maintenance?

No, it is a sealed lead-acid maintenance-free battery designed for long-term use.

Can this battery restore full UPS runtime?

Yes, replacing an aged UPS battery with the RBC35 can restore the backup runtime close to original system specifications.

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