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Description
APC Smart-UPS XL Battery Pack 48V, rackmount, 3UEnhance your critical power protection with the APC Smart UPS XL Battery Pack 48V, a rack mountable, 3U extension that delivers extended run runtime exactly when you need it. Built as an extended run battery system, this 48 V DC pack pairs with Smart UPS units to provide dependable charging feasibility and maximum efficiency, reducing downtime and safeguarding servers, storage, and networking gear during outages. Its spill proof, maintenance free
Enhance your critical power protection with the APC Smart-UPS XL Battery Pack 48V, a rack-mountable, 3U extension that delivers extended-run runtime exactly when you need it. Built as an extended-run battery system, this 48 V DC pack pairs with Smart-UPS units to provide dependable charging feasibility and maximum efficiency, reducing downtime and safeguarding servers, storage, and networking gear during outages. Its spill-proof, maintenance-free battery design ensures reliable performance with minimal upkeep once installed, and its compact 3U footprint makes it an ideal spare that sits neatly in a standard data-center rack. Whether you’re expanding capacity for a growing data center or adding a spare for disaster recovery, this 48V battery pack offers flexible runtime and simple integration with your existing APC UPS infrastructure.
- Flexible runtime for critical Smart-UPS applications: Designed to extend operational time for essential servers, network devices, and storage systems, helping you maintain service continuity during power interruptions.
- Spill-proof, maintenance-free battery technology: The pack uses a sealed, VRLA (Valve-Regulated Lead-Acid) design that minimizes maintenance needs while providing dependable charging efficiency and long life.
- 3U rack-mount form factor for standard 19-inch racks: Optimized to fit neatly in your data center, telecom closet, or server room without consuming excessive rack space.
- Convenient spare battery for minimal downtime: Use as a ready-to-swap spare to quickly restore runtime if a primary battery requires replacement, helping you keep critical loads online with minimal disruption.
- Efficient charging and reliable performance: Engineered to work with APC Smart-UPS systems to deliver smooth, high-efficiency charging and dependable power delivery to connected equipment.
Technical Details of APC Smart-UPS XL Battery Pack 48V, rackmount, 3U
- Battery type: Valve-Regulated Lead-Acid (VRLA), spill-proof, maintenance-free 48 V DC battery
- Voltage: 48 V DC
- Form factor: Rack-mount, 3U height for standard 19-inch racks
- Compatibility: Extended-run battery pack designed to integrate with APC Smart-UPS systems to provide enhanced runtime
- Runtime extension: Enables flexible, extended power protection for critical loads during outages
how to install APC Smart-UPS XL Battery Pack 48V
- Power down the UPS and unplug it from the mains; ensure all connected equipment is safely shut down before installation.
- Prepare a standard 19-inch rack space in a suitable location with adequate ventilation and accessibility for maintenance.
- Mount the 3U battery pack securely in the rack using the included hardware or compatible rails, following your facility’s rack guidelines.
- Connect the battery pack to the UPS battery input according to the manufacturer’s installation manual, ensuring correct polarity and secure connections.
- Power on the UPS and verify battery status; allow the new battery to calibrate and begin charging to full capacity before placing it in active service.
Frequently asked questions
- Q: What is the APC Smart-UPS XL Battery Pack 48V used for? A: It provides extended runtime for critical Smart-UPS deployments and can serve as a convenient spare to minimize downtime during outages or battery aging.
- Q: Is the battery spill-proof and maintenance-free? A: Yes. The pack employs a spill-proof, maintenance-free VRLA design for safe operation and long service life.
- Q: What rack size is required? A: The unit is designed for a standard 19-inch rack with a 3U height, making it suitable for data centers, network closets, and telecom rooms.
- Q: How long does it take to recharge after a discharge? A: Recharge time depends on the UPS charging circuitry and the current load; the system is designed for efficient charging to restore readiness quickly.
- Q: Is it compatible with all APC Smart-UPS models? A: It is intended as an extended-run battery solution for Smart-UPS systems that support a 48V XL battery pack; always verify compatibility with your specific model and refer to the product manual or APC support for confirmation.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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4.6 ★★★★★
Based on 5 reviews
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Product Reviews
★★★★★ 4
Good quality and soft, but not for everybody.
Color: White, Size: Queen, Color: White, Size: Queen
These pillows are super comfortable if you like thick, firm ones. I absolutely loved them, they feel high-quality and supportive, but they are very thick, and after a while, I started getting some neck pain.
That said, over time they do soften up a bit and start to mold better to your body, which helps. I’d definitely recommend them for anyone who likes big, firm pillows, but they’re probably not the best choice for people who prefer something softer or lower.
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Reviewed in the United States on October 15, 2025
★★★★★ 5
Soft & support
Color: White, Size: Queen
These pillows are perfect! I was looking for a cushy, lower profile pillow for side sleeping. So soft, supportive and comfortable! I could not believe the high quality at such an affordable price! They are queen size, so I need to purchase new longer pillow cases.
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Reviewed in the United States on March 16, 2026
★★★★★ 5
viewstar - Juego de 2 almohadas
Color: White, Size: Queen, Color: White, Size: Queen
Muy buenas y cómodas solo la tengo hace 2 días ojalá no se desinflan como otras que yo he comprado , pero si son comodisimas si en un mes se mantienen igual pienso comprar 2 mas
They are very good and comfortable. I’ve only had them for two days—I really hope they don't go flat like others I've bought—but they truly are extremely comfortable. If they stay just like this after a month, I plan to buy two more.
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Reviewed in the United States on May 17, 2026
★★★★★ 3
Odd, but nice pillows...
Color: White, Size: Queen
These pillows are nice, but strange for me. ..I purchased 2 in queen-size. They are slightly longer than I prefer but doable..and have an odd soft yet firm texture. When you lay the head down ..it sinks into the pillow, but each side comes up. So you have these big sort of firm soft, fluffy pillow ends on each side of your face. If you're a side sleeper, you will automatically try to punch one of the ends down a bit, for the most part, that will be useless. So you will probably end up trying to angle it a bit so that you end up sort of sleeping on the corner sections. (This was for the queen size, for me. The standard may be better.) Also, there really no cool side. If you flip it..it might feel cool for about 2 seconds, but that's it. They are very nice pillows, but I just know I will be ordering something else in the future.
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Reviewed in the United States on April 26, 2026
★★★★★ 5
Comfy, soft, helps me sleep without pain.
Color: White, Size: Queen
These pillows are very comfy. Lately, I'd been waking up with pinched nerves in my neck and shoulders so I decided to try new pillows. I've been using these pillows for a couple of days now and I no longer have any pinched nerves. They're so comfortable to rest my head on. If I had to make one constructive criticism, its that I wish they were thicker. I know its just personal preference but I like my head to be elevated more.. however, using 2 of these pillows does the trick! Also, they come packaged really well... vacuum sealed and in a box (which is good because they sat out in the rain for 7 hours).. and they didnt have a strange odor to them. For the price, they are great.
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Reviewed in the United States on April 17, 2026