UPS power shopping comes down to one question: do you need a whole backup unit, or just the replacement battery inside it? The products here make that decision concrete. At one end is a used APC UPS with an attached battery carrier; at the other is a new APC battery cartridge. The right pick depends on your existing equipment, your space, and how willing you are to buy used.
Quick Take
If you want a complete unit without spending hundreds, the used APC Back-Ups PRO 1000 is the most direct choice. If your equipment lives in a server rack, the APC Smart UPS 1500VA is the one to focus on. If you already have a compatible APC system and need a fresh battery, the APC Replacement Battery Cartridge #152 is the part to buy.
Price Comparison
Here is the full price spread across the four options. The bars show the relative weight of each price.
| Product | Price | Bar |
|---|---|---|
| APC Replacement Battery Cartridge #152 (APCRBC152) | $439.99 | |
| APC Smart UPS 1500VA SMX1500RM2U | $249.99 | |
| APC Back-Ups PRO 1000 BR1000G | $64.99 | |
| APC Back-Ups PRO 1000 BR1000G | $64.99 |
Decision Matrix
- On a tight budget? The Back-Ups PRO 1000 is the lowest-priced complete unit in this set.
- Building a server rack? The Smart UPS 1500VA is the rack-style option to start with.
- Replacing a battery in an existing APC unit? The replacement battery cartridge is the only battery-only item here.
- Outfitting more than one room? The two identical Back-Ups PRO 1000 options give you two chances to buy the same budget-friendly unit.
Product Notes
APC Replacement Battery Cartridge #152 (APCRBC152)
This new cartridge is the most expensive item here at $439.99. It is a replacement battery for APC systems that use the RBC152, with a maintenance-free, sealed, and leak-proof design. If you already have a compatible APC UPS and the battery is failing, this is the direct part you need, and it works in rack or tower enclosures. The trade-off is that it is not a standalone UPS. You still need the host unit. The price also sits far above the other three options, so it only makes sense when your immediate need is a battery swap.
APC Back-Ups PRO 1000 BR1000G 8 Outlets UPS w/Battery Carrier QTY
This used Back-Ups PRO 1000 is the budget anchor at $64.99. It is a complete UPS with eight outlets and a battery carrier built in, so you can plug in multiple devices right away. If you are comfortable with used gear and want the lowest-cost way into a working backup unit, this is the pick. The main limitation is the used condition. You are betting that the battery and unit still have enough life for your needs. For a home office or a small stack of networking equipment, the low price makes that uncertainty easier to accept.
APC Smart UPS 1500VA SMX1500RM2U USB LCD 2U Rackmount Battery Backup
This is the only rackmount option in the comparison, and it sits at $249.99. The 2U form factor, USB port, LCD display, and 1500VA rating make it a fit for a server rack or data-center-style setup. It also offers 1200W maximum power and eight outlets, so it can handle more connected load than the basic Back-Ups unit. The key limitation is that it does not include batteries. That means the price covers the UPS unit itself, and you will need to source compatible batteries separately before it can provide backup power.
APC Back-Ups PRO 1000 BR1000G 8 Outlets UPS w/Battery Carrier QTY
The same Back-Ups PRO 1000 appears again in this comparison, so you have a second chance to buy it. If you are choosing between the two, either one gives you the same model and used condition. This can be handy if you are outfitting two rooms or want a spare. The product detail is limited, so your decision rests on the model name and the used classification. For a budget shopper who wants a working backup, this second option is just as practical as the first. That makes it a solid alternative when the first option doesn't work out.
Final Recommendation by Use Case
If you need a working UPS and want to spend as little as possible, the Back-Ups PRO 1000 is the pick, and the fact that it appears twice means you have two opportunities to get it. If your setup is in a rack and you can manage batteries on your own, the Smart UPS 1500VA is the better fit. If you already own a compatible APC system and simply need a new battery cartridge, the replacement cartridge is the only part you should consider.
