APC RBC3 Replacement Battery

The POWERSTAR Brand APC RBC3 Replacement Battery is widely considered a great product which gets the job done and is consistently reliable and durable. It’s a powerful UPS replacement battery which does exactly what it’s advertised to do and greatly appreciated by its userbase and customers. The product works as intended and provides six volts of power to charge UPSs whenever needed, making it a go-to product for those who need power in a pinch. Amazon is a great place to purchase the battery, although batterysharks.com users offer rave reviews on the site.

There are no negative reviews of the battery from any web platform. Unanimously, consumers love this battery and recommend it to a friend or loved one ninety-five percent of the time. The battery is great in providing power for UPSs and will keep your loved one’s UPS powered for years down the road. The company which makes the product cares about its customers and offers great, if not perfect customer service. Altogether, there are no reasons to be overly cautious wary when purchasing a POWERSTAR APC RBC3 UPS replacement battery.

Technical Specs

  • Model: RBC3
  • Terminal: F2
  • Volts: 6
  • AH: 12
  • Length: 5.95
  • Width: 2.00
  • Height: 3.70
  • Qty: 2
  • Weight (Lbs): 8.60

In-Depth Review

The POWERSTAR APC RBC3 UPS replacement battery has been used by a plethora of customers and has received consistently high marks. Most users remark on the lifespan and consistent durability of the batteries and of the reliability they provide no matter which UPS they’re used for. Those who are most favorable of the product remark on its stable power production and durability, issuing no criticisms with the power and recommending it to anyone who needs a replacement battery for their old or aged APC RBC3 UPSs. There are really no negative reviews besides a minor few who seem to have bought the wrong battery from batterysharks.com. Overall, both ratings and reviews skew positive to a degree which suggests the product is a must-buy for those in the market for an APC RBC3 replacement battery.

In addition to the product being highly regarded by users, the company who makes it, POWERSTAR, is considered a great company to trust for satisfactory customer service and excellent knowledge expertise. The employees of POWERSTAR are knowledgeable and will often discuss the problems of their products with their customers. They will call back if they’ve missed a prior call and will talk through any issues with customers until the problem has been resolved.

The most common praise for the product comes in the form of saying that the power supply holds steady during even the most testing conditions, avoiding lack of operation during trying times and other events that may test most UPSs. The battery is easily installed in most units, and its power and durability is beyond reproach. Over ninety-five percent of batterysharks.com consumers recommend the battery, great marks for such a simple product.

The price is perfect for a device of this quality and durability, although those who have had good experiences with it noted that they wouldn’t mind paying far more. For the money it actually costs, however, you receive more than substantial piece of mind and the assurance that the batteries will not need any quick fixes or stop working during emergency events.

The POWERSTAR APC RBC3 replacement battery is a great buy for those looking to have a source of power for their APC RBC3 UPSs and its function is not marred by shoddy quality or lack of peace of mind. POWERSTAR consumers who find their devices dead will generally want this battery to reboot their dead and beeping UPSs and can feel comfortable with their operation, as there are no moments of dead time. The only substantial complaint a few reviewers had was that the batteries they ordered online were not shipped on time or the batteries were of the wrong model, thought his can hardly be blamed on POWERSTAR or the product itself.


The APC RBC3 replacement battery offered on sites such as Amazon.com and batteryclerk.com is a great find and buy for anyone with the specified APC RBC3 UPS. You’ll never worry about the battery dying during the dead of night or any other opportune times, as it lasts for as long, if not longer, than advertised, and provides consistent power at all times. There are no complaints from online reviews about the specs or function of the product, just the occasional stray remark about the delivery method and issues therein. The APC RBC3 replacement battery from POWERSTAR is the best for your money, especially from batterysharks.com.


  • Reliable
  • Durable
  • Long-Lasting


  • Delivery Issues for Some Customers

Additional Factors

  • Material quality – 8
  • Durability – 10
  • Battery life – 9

PRICE: Cheapest for $21.10 on batterysharks.com

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