APC UPS Battery Replacement RBC2 - Genuine Replacement for Back-UPS

In this review of the APC UPS Battery Replacement RBC2 the bottom line is simple: this is the sensible, no-surprise replacement battery for owners of compatible APC consumer UPS models who want reliable, tested restoration of original performance. The reviewer finds the RBC2 straightforward to install, fully compatible with listed Back-UPS units and convenient because APC supports recycling and a two year manufacture warranty. If you own a BE500R, BK500 series or SC420/SU420NET UPS and want a genuine, OEM-tested cartridge, this replacement is the practical choice.

Key Features

• Genuine APC compatibility: The RBC2 is tested and certified to restore UPS performance to the original specifications for compatible APC models.
• Easy installation: The cartridge design fits APC consumer UPS units directly, so replacement is typically a quick user-level task.
• Recycling program: APC provides an RBC Recycling Program that lets you return the old battery using the new battery packaging for responsible disposal.
• Warranty protection: The battery is a VRLA design backed by a two year manufacture warranty for peace of mind after purchase.
• Wide model support: RBC2 lists compatibility with several Back-UPS models including BE500R, BK350, BK500 variants, SC420 and SU420NET, so owners of older consumer units can find a direct replacement.

Who It's For

The RBC2 is aimed at home and small office users who own supported APC Back-UPS models and need a direct, OEM replacement to restore run time and protection. It is well suited to anyone who values tested compatibility and the convenience of APC's recycling program and warranty support.

Users who should look elsewhere include those with UPS models not listed among the compatible units, or buyers who need extended run time beyond the original specifications; in those cases a different capacity battery or a higher-capacity UPS would be more appropriate.

Pros & Cons

Pros

• Genuine APC part that restores the UPS to original performance as certified by APC testing.
• Simple fit and installation for most consumer-level APC Back-UPS units, reducing downtime.
• Two year manufacture warranty and an APC recycling program for the old battery.
• Good value for owners who need an exact, compatible replacement rather than an aftermarket alternative.

Cons

• Only restores the UPS to its original run time; it does not increase capacity, so users seeking longer backup times may need a different solution.
• Compatibility is limited to specific APC models, so confirming model and serial guidance (for some units) is necessary before purchase.

Specifications

Product	APC Replacement Battery Cartridge (RBC2)
Compatible models	BE500R, BK300C, BK350, BK500 and variants, SC420, SU420NET and more
Battery type	VRLA (Valve Regulated Lead Acid)
Warranty	2 year manufacture warranty
Recycling	RBC Recycling Program with free return to recycling center
Intended use	Restore UPS performance to original specifications

Our Verdict

The APC RBC2 is a practical OEM replacement for owners of supported Back-UPS models who want reliable, tested restoration of original run time and protection. It offers straightforward installation, warranty coverage and a convenient recycling option, making it good value for users who need an exact, compatible battery replacement rather than increased capacity.

Frequently Asked Questions

Is this battery compatible with my older APC Back-UPS?
Check the model list on the product page; RBC2 is certified for many BE500 and BK series units plus SC420 and SU420NET-confirm your model before purchasing.

Does APC accept the old battery for recycling?
Yes. APC offers an RBC Recycling Program that lets you return the old battery to a recycling center using the new battery packaging.

How long is the warranty?
The RBC2 comes with a two year manufacture warranty from APC for defects and coverage as described by APC.