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APC RBC18 Replacement Battery Cartridge #18

5 stars out of 3 reviews

(5.0)|

3 ratings

Key item features

UPS
REPLACEMENT
BATTERY RBC18

Specs

Volts
6 V
Works with
Computers
Brand
APC
Compatibility
APC
Compatible models
APC PowerStack 450VA
Model name
#18

Current price is $214.48

Price when purchased online

Free shipping
Free 30-day returns

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4-Year Plan - $43.00

How do you want your item?

Columbus, 43215

Arrives by Wed, Feb 4

Sold and shipped by antonline.comPro Seller

4.35042735042735 stars out of 5, based on 6318 seller reviews(4.4)

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Starting from $222.76

About this item

Product details

The item in this listing is a brand new sealed product in its original manufacture retail packaging. This product will come with a Minimum 1 year warranty.
APC RBC18 Replacement Battery Cartridge #18

UPS
REPLACEMENT
BATTERY RBC18

info:

We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.

Specifications

Volts

6 V

Works with

Computers

Brand

APC

Compatibility

APC

Warranty

Warranty information

2 years repair or replace

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.

Warranty url

https://www.apc.com/shop/us/en/products/APC-Replacement-Battery-Cartridge-18/P-RBC18

Warnings

Ingestion Hazard

This product contains a battery. Death or serious injury can occur if ingested. A swallowed battery can cause Internal Chemical Burn in as little as 2 hours. Keep new and used batteries OUT OF REACH OF CHILDREN. Seek Immediate medical attention if a battery is suspected to be swallowed or inserted inside any part of the body.

Compare with similar items

Comparison Overview:
Product	Viewing this item APC RBC18 Replacement Battery Cartridge #18 current price $214.48 APC RBC18 Replacement Battery Cartridge #18 5 out of 5 Stars. 3 reviews	APC UPS Replacement Battery, Cartridge #7 (RBC7) current price Now $122.23, Was $236.75 APC UPS Replacement Battery, Cartridge #7 (RBC7) 4.5 out of 5 Stars. 63 reviews	CyberPower RB1270X3A UPS Replacement Battery Cartridge current price $169.54 CyberPower RB1270X3A UPS Replacement Battery Cartridge	APC Charge-UPS Refresher Kit #4 current price $51.89 APC Charge-UPS Refresher Kit #4	APC Charge-UPS Refresher Kit #2 current price $32.99 APC Charge-UPS Refresher Kit #2	BTI Replacement Battery #59 for APC - UPS battery - lead acid current price $191.34 BTI Replacement Battery #59 for APC - UPS battery - lead acid	RBC59-UPC Replacement Battery Cartridge current price $149.99 RBC59-UPC Replacement Battery Cartridge

Comparison Chart:
Volts	6 VAPC RBC18 Replacement Battery Cartridge #18	12 V DCAPC UPS Replacement Battery, Cartridge #7 (RBC7)	12 VCyberPower RB1270X3A UPS Replacement Battery Cartridge	-APC Charge-UPS Refresher Kit #4	12 V DCAPC Charge-UPS Refresher Kit #2	12 V DCBTI Replacement Battery #59 for APC - UPS battery - lead acid	-RBC59-UPC Replacement Battery Cartridge
Works with	ComputersAPC RBC18 Replacement Battery Cartridge #18	-APC UPS Replacement Battery, Cartridge #7 (RBC7)	CyberPower M750L UPSCyberPower RB1270X3A UPS Replacement Battery Cartridge	UPSAPC Charge-UPS Refresher Kit #4	BK200APC Charge-UPS Refresher Kit #2	ComputersBTI Replacement Battery #59 for APC - UPS battery - lead acid	UPS, Smart-UPS® SCRBC59-UPC Replacement Battery Cartridge
Compatibility	APCAPC RBC18 Replacement Battery Cartridge #18	APCAPC UPS Replacement Battery, Cartridge #7 (RBC7)	CyberPowerCyberPower RB1270X3A UPS Replacement Battery Cartridge	APCAPC Charge-UPS Refresher Kit #4	APCAPC Charge-UPS Refresher Kit #2	APCBTI Replacement Battery #59 for APC - UPS battery - lead acid	APCRBC59-UPC Replacement Battery Cartridge
Compatible models	APC PowerStack 450VAAPC RBC18 Replacement Battery Cartridge #18	-APC UPS Replacement Battery, Cartridge #7 (RBC7)	M750LCyberPower RB1270X3A UPS Replacement Battery Cartridge	CURK4APC Charge-UPS Refresher Kit #4	CURK2APC Charge-UPS Refresher Kit #2	Smart-UPS SC 1500VABTI Replacement Battery #59 for APC - UPS battery - lead acid	APC SC1500, SC1500IRBC59-UPC Replacement Battery Cartridge

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Customer ratings & reviews

5 out of 5 stars

stars3 ratings3 reviews

How item rating is calculated

Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.

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Showing 1-3 of 3 reviews

Jul 30, 2025

Arch Advanced Pain Mgmt

5 out of 5 stars review

Seller Verified Purchase

Great product

Great product we are medical business. They come in handy with our battery backup.

Review from apc.com

Helpful?

Jul 25, 2011

Mclarfield

5 out of 5 stars review

Easy to Install

The replacement battery was easy to install and did not require me to remove the unit from the rack mount. No more beeping in the middle of the night!

Review from APC.com

Helpful?

May 8, 2017

5 out of 5 stars review

easy installation

These batteries are easy to replace. Cheaper than purchasing a new unit. Typically ships quickly.

Review from apc.com

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