516 KWh (500 KWh) Industrial Battery Backup And Energy Storage Systems (ESS) (277/480Y Three Phase)
SKU: 67657970170

516 KWh (500 KWh) Industrial Battery Backup And Energy Storage Systems (ESS) (277/480Y Three Phase)

Sale price$304830.00 Regular price$338700.00
Save 10%

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 6 - Jul 11

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

516 KWh (500 KWh) Industrial Battery Backup And Energy Storage Systems (ESS) (277/480Y Three Phase)The industrial battery backup and energy storage system for generator replacement can typically power a 250 KVA 480 VAC load for over 2 hours. Backup time increases as the load drops with minor energy consumption adjustments like selectively running HVAC, turning off all unnecessary lights, and powering down and unplugging all non critical appliances. Need more backup time? Just add another unit. The only limit is the number of circuits available on

The industrial battery backup and energy storage system for generator replacement can typically power a 250 KVA 480 VAC load for over 2 hours. Backup time increases as the load drops with minor energy consumption adjustments like selectively running HVAC, turning off all unnecessary lights, and powering down and unplugging all non-critical appliances. 

Need more backup time? Just add another unit. The only limit is the number of circuits available on your electrical panel. One unit takes up one breaker space.

The system is UL and CE listed, made in the USA (California), and made up of LiFePO4 (lithium iron phosphate) batteries. LiFePO4 batteries are much, much safer than standard lithium batteries and have a 10 year minimum approximate useful life. 

Besides acting as a battery backup system, it also allows for demand charge reduction (lower electric bill), peak shaving (lower electric bill), and integrates with solar panels (micro inverter systems), wind power, or other energy sources.  

  • Voltage/Connection: 277/480 Three Phase
    • Uses 300 Amp Three Pole Breaker Minimum
  • Power Rating: 250 KVA 
  • Battery Capacity: 516 KWh (500 KWh)
    • Typically Runs A 250 KVA Load For ~2 Hours
    • Typically Runs A 125 KVA Load For ~4 Hours
    • Typically Runs A 50 KVA Load For ~ 10 Hours
    • Typically Runs A 25 KVA Load For ~ 20 Hours
  • DC Bus Voltage: 666 Volts
  • DC Amp Hours: 1,440 Ah
  • Dimensions (D x W x H): 20' x 8' x 8'
  • Weight: 11 tons
  • Container: NEMA 3R / IP 54
  • Compliance: CE, UL
    • Batteries Are UL 1973
    • Inverter Is UL 1741
  • Standard Warranty: 10 Years
  • Operation Mode: On Grid or Off Grid
  • Part Number: BBP-EP-250KVA-516KWH-277480SP

For more information, please contact Battery Backup Power, Inc. at by phone at (855) 330-7799, by chat (lower right hand corner of this screen), or by email at [email protected]

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
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]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 67657970170

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.0 ★★★★★
Based on 1222 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
A
Verified Purchase
Adalai
Massapequa, US
★★★★★ 4
Slightly torn but invested for what's next
Format: Paperback
This is my first Benedict Brown book. I don't know what it was that it was difficult for me to "get into" this book. It almost felt dragged out in some parts instead of getting to the point. And other times it felt like the author was trying too hard, if that makes sense. Each time I picked it up, it took a bit to warm up to it then I couldn't put it down. Then again, I'd stop and have to start that process all over again and I have no idea why. It is funny in parts. Definitely a cozy mystery, none of the blood and gore. I did enjoy the twist, although it was in the back of my mind from the onset. I wouldn't say I won't read the next one, sometimes the first book in a series is not always the best....oddly I've found myself endeared to Marius and feel invested in knowing what adventure he'll face next!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 16, 2026
J
Verified Purchase
Jake's mom
Pawtucket, US
★★★★★ 5
Great new 1920's British Mystery Series
Format: Kindle
This is a 1920’s British mystery along the lines of Agatha Christie’s classic novels. It is the first book in the series and features a mystery writer – Marius Quin. The book begins with Quin having successfully published his first novel, but having problems meeting his publisher’s demand for a second. Depressed when he leaves his publisher’s office, he accidentally meets an old love of his, Bella, a woman he had wanted to marry ten years before but, because he was leaving to fight in WWI, he didn’t propose. It is Bella who invites him to a New Year’s Eve weekend party at Everham Hall, home of a famous film actor. During the weekend, one of their party is killed and so begins the hunt for the murderer, with Marius and Bella investigating. There are plot twists and turns until the denouement when the killer is revealed. I really like both of the main characters (Marius Quin and Bella), and I’m a fan of that time period and of country manor mysteries. I’ve enjoyed Benedict Brown's Lord Edgington novels and find this new series equally appealing.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 5, 2023
L
Verified Purchase
LoveToReadGoodBooks
Pawtucket, US
★★★★★ 3
New Year, new beginnings, new murder
Format: Kindle
Having run through the entire Lord Edgington Investigates series, it felt natural to jump over to this Marius Quin mystery. All in all, it’s not quite as funny as the banter between Lord Edgington and Christopher affords, but it’s still highly readable and offers the same weaving of clues to keep you entertained. What’s in store for you? Put together looming bills, writer’s block, a past lover, a New Year’s Eve party, a dead silent film star, a killer on the loose in a snowbound manor, and 6 perfectly good suspects—except they all seem so innocent if unlikeable (some more than others, one more than most)—which means Marius has his work cut out for him. So do you if you’re an armchair detective. So why 3 stars and not higher? I’m suffering from comparison syndrome. Marius and Bella don’t have a big enough gap between them (other than an historical romantic mishap) for belly-laugh comedic moments like Lord Edgington and grandson Christopher have. That won’t stop me from reading the next installment in the series, though, so I can let Marius and Bella grow on me as the author finds their rhythm.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2025
J
Verified Purchase
Jennifer M
San Leandro, US
★★★★★ 5
Grown up version of Chrissy!
Format: Kindle
Marius Quin is a good character for Benedict Brown’s readers. There is a tie-in with Lord Edgington (and Chrissy) and Lord Edgington is referred to or almost mentioned a few times. This takes place in a huge old mansion with some history, that has to do with the murder, so I don’t want to spoil it. Marius does have a dog, but he’s not as involved with the story as Lord Edgington’s Golden Retriever, unless you think of his ability to judge characters.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 17, 2026
L
Verified Purchase
Logan Calhoun
Grantham, US
★★★★★ 4
A quite enjoyable, funny, mystery.
Format: Kindle
I really enjoyed this one, it was funny, great characters, fantastic pacing, solid twist at the end, although one thing was obvious to me but I can't say it because thats a spoiler. But I am really looking forward to the next book.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 9, 2025

recommand products