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

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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

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4.2 ★★★★★
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mona najajreh
Pawtucket, US
★★★★★ 5
Finally found the perfect backpack!
Color: Apricot, Size: 17.3 Inch
I’ve been searching for a backpack that could fit my 16-inch laptop and my other uni stuff since i commute, without looking huge on me, I’m a small girl, so most big backpacks just look bulky and awkward. I wanted something slim and sleek, not one of those backpacks that stick out and have that “belly” shape. After a lot of searching, I finally found this one, and I absolutely love it! The material feels really high quality, and the design is just perfect. I got the 17-inch size, and it fits my 16-inch laptop comfortably. There are so many pockets for organization, plus a separate padded compartment just for the laptop, which I really appreciate. It also has a handle that easily slides over my suitcase handle, which is so convenient for traveling (I travel a lot, so this feature was a must). It’s comfortable to wear, the straps are adjustable, there are bottle holders on both sides, and overall it just looks clean and stylish. i got the beige color one. which i love. I’m really happy with this purchase it has everything I was looking for. I’ll attach a short video showing all the pockets and features because it honestly deserves it!
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Reviewed in the United States on November 10, 2025
J
Verified Purchase
JW
Dallas, US
★★★★★ 5
Perfect and not bulky
Color: Apricot, Size: 17.3 Inch
Love this slim backpack, plenty of room for my laptop and so much more. Lots of zipper and mesh pockets. I like the separate compartments for the laptop. It’s well designed and very functional. I wanted something that was not bulky and this fit the bill, it’s really great. The material is nice and easy to keep clean. Seems well made, I’ll update down the road if that changes. I recommend this backpack.
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Reviewed in the United States on January 30, 2026
E
Verified Purchase
Essence
Port Orchard, US
★★★★★ 5
Perfect work travel bag!
Color: Black, Size: 14 Inch
Perfect work bag! I was looking for something for a petite frame. Can fit a lot in it, worth the money, love all of the pockets. Can carry two ways - either with handles or wear on back like a backpack
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Reviewed in the United States on February 28, 2026
S
Verified Purchase
Shelby C.
West Palm Beach, US
★★★★★ 5
Perfect backpack to use as a purse
Color: Champagne Brown, Size: 14 Inch, Color: Champagne Brown, Size: 14 Inch
I LOVE THIS BACKPACK! It's perfect as an EDC backpack used in lieu as a purse. It's small enough to use daily and to keep basic necessities in. It has a main compartment, a basic compartment for a laptop or iPad, and a small front pocket. There is a small area that closes with a snap where the handle comes out of that can be used for storage as well. I like to keep my sunglasses or vape in it. I like to wear a backpack when shopping, it makes it easier to have my hands and arms free and I also don't have to worry about my purse in a cart and someone dipping into it when I'm not looking. While I like to wear a backpack, I don't need an ACTUAL backpack used to carry large objects and this fits the bill. I'm able to fit my wallet, phone, 10" iPad, journal, tech kit, small makeup bag, keys, glasses, gum, coin purse, misc. pouch in it and it still has room at the top. The quality is excellent, as all Golf Bags are. The color is a beautiful neutral medium taupe (I got the light brown/cappuccino? color) but I would love this bag in black, blue, and beige! The blue color is such a pretty blue!
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Reviewed in the United States on August 6, 2025
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Verified Purchase
Elombi
Alexandria, US
★★★★★ 4
Good for office and school.
Color: Black, Size: 16 Inch, Color: Black, Size: 16 Inch
Looks good and it's lightweight. Soft material for the design. Storage is ok, could be better with softer cushions and a strong cover material. Zipper is sturdy so far. Versatile. Cons: Has no strap to keep laptop in place. Laptop cushion not thick enough.
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Reviewed in the United States on January 11, 2026

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