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Description
3x Fox ESS EP11 31.08kWh Batteries (combiner box not included)3x Fox ESS EP11 Battery for 31. 08kWh with 10 Year Warranty (Not Including Combiner Box) The 3x Fox ESS EP11 Battery System delivers a powerful 31. 08kWh energy storage solution, perfect for high demand residential and commercial applications. Utilizing LiFePO4 prismatic cell technology, this system offers excellent efficiency, safety, and durability. This package does not include the required FE JUNBOX HV combiner box, which is necessary for stacking
3x Fox ESS EP11 Battery for 31.08kWh with 10-Year Warranty (Not Including Combiner Box)
The 3x Fox ESS EP11 Battery System delivers a powerful 31.08kWh energy storage solution, perfect for high-demand residential and commercial applications. Utilizing LiFePO4 prismatic cell technology, this system offers excellent efficiency, safety, and durability.
This package does not include the required FE-JUNBOX-HV combiner box, which is necessary for stacking multiple batteries in parallel.
Key Features:
- Total Capacity of 31.08kWh – Large-scale storage for energy independence
- 384V High-Voltage System – Enhances efficiency and minimizes energy loss
- Scalable System – Expandable up to 4 batteries in parallel
- IP65 Rated – Suitable for both indoor and outdoor installation
- Natural Convection Cooling – Silent and reliable operation
- Long Cycle Life – Over 4,000 cycles for extended use
-
10-Year Warranty – Long-term performance and reliability
Technical Specifications:
- Battery Type: LiFePO4 Prismatic Cell
- Nominal Energy (Total System): 31.08kWh
- Nominal Voltage: 384V
- Operating Voltage Range: 348V – 438V
- Max Charge/Discharge Current: 27A per battery
- Recommended Charge Current: 13.5A per battery
- Peak Discharge Current: 65A (60s) per battery
- Peak Charge Current: 32.4A (5s) per battery
- Round-Trip Efficiency: ≥95%
- Depth of Discharge (DoD): 90%
- Cycle Life: ≥4,000 cycles
- Communication: CAN
- Display: LED*5
-
Scalability: Maximum 4 units in parallel
Power Ratings:
- Continuous Discharge Rate (Normal Use): 10,368 W
- Maximum Discharge Rate (5 Minutes): 10,368 W
- Surge Discharge Rate (15 Seconds): 24,960 W
-
Maximum Charge Rate (5 Minutes): 10,368 W
Operating Conditions:
- Installation Location: Indoor/Outdoor
- Operating Temperature:
- Charge: 0°C to 55°C
- Discharge: -10°C to 55°C
- Storage Temperature: 0°C to 35°C
- Cooling Method: Natural Convection
-
Humidity: 5% – 95% (Non-condensing)
- Altitude: Max. 2,000m
Mechanical Characteristics
- Dimensions (Per Battery, WHD): 710mm × 625mm × 147mm
- Weight (Total System): 297 kg
Certifications & Safety Standards:
- Safety: IEC62619
- EMC Compliance: EN IEC 61000-6-1/3
- Transportation Standard: UN38.3
- Ingress Protection: IP65
What’s Included in the Box?
- 3x Fox ESS EP11 10.36kWh Batteries
- User Manual
- Installation Accessories
Important Notes:
- Combiner Box Required – This package does not include the FE-JUNBOX-HV, which is necessary for stacking multiple batteries in parallel.
- Scalable System – Can be expanded further by adding up to 4 batteries in parallel.
- Professional Installation Required – Must be installed by a qualified electrician.
-
Compatible with Fox ESS H1, KH, H3, H3-Pro, and US Series inverters.
The 3x Fox ESS EP11 Battery System is a high-capacity, scalable, and efficient energy storage solution, designed for homeowners and businesses seeking reliable backup power, energy cost savings, and energy independence.
Disclaimer:
All product information provided by Solareon UK is intended for general guidance only and may be subject to change or error. Solareon UK does not accept liability for any inaccuracies or omissions in the product specifications displayed. For accurate and detailed technical information, please refer to the manufacturer’s official datasheet available in the 'Downloads' section. We strongly advise confirming all critical details directly with the manufacturer prior to making purchasing or installation decisions.
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
- 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
4.7 ★★★★★
Based on 2458 reviews
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Product Reviews
★★★★★ 5
Perfect Jumbo Size with Hotel-Quality Comfort & Support
Color: White, Size: Queen(Pack of 2)
I recently purchased the Jumbo size pillows. After trying a week, I couldn’t be happier with them! The size is perfect—nice and full without feeling bulky. They provide just the right amount of medium support, keeping my head and neck comfortable whether I’m sleeping on my back or side.
The 100% cotton cover feels soft and breathable, and the pillows stay cool throughout the night. I also love the gusseted design—it really helps the pillows maintain their shape and gives them that luxury hotel feel. Even after several nights of use, they haven’t gone flat.
Another big plus is that they’re machine washable, which makes maintenance super easy. Overall, these Jumbo pillows are plush, supportive, and great quality for the price. Highly recommend!
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Reviewed in the United States on March 1, 2026
★★★★★ 5
Best pillows we’ve ever had!
Color: White, Size: King(Pack of 2)
These are so insanely comfortable! They have the perfect amount of softness and support. Not too flat, not too full, just right. You will sink into it like a big marshmallow!
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Reviewed in the United States on May 22, 2026
★★★★★ 5
Comfortable pillows 🤩
Color: White, Size: Queen(Pack of 2), Color: White, Size: Queen(Pack of 2)
I bought the Serta Hotel Collection Bed Pillows (Queen size) and I absolutely loved them. They are super soft yet provide great support; they feel very comfortable and help make for a much better, more pleasant night's sleep. Plus, the fabric is cool and of high quality. I recommend them wholeheartedly!
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Reviewed in the United States on April 22, 2026
★★★★★ 5
Amazingly Comfortable — Like Sleeping in a Luxury Hotel Every Night
Color: White, Size: Queen(Pack of 2)
I rarely write reviews, but these Serta Hotel Collection pillows absolutely deserve one. From the very first night, they felt incredibly comfortable — soft yet supportive in all the right places. I tend to switch between back and side sleeping, and these pillows adjusted perfectly no matter my position.
The 400-thread count cotton cover feels smooth and luxurious, and the gusseted edges give just the right amount of lift without feeling stiff. What really surprised me was how easy it was to adjust to them. Usually, it takes a few nights to get used to a new pillow, but I slept soundly from day one — no neck aches, no tossing and turning.
They have that “hotel bed” feel — plush, breathable, and restful. Every morning, I wake up feeling like I stayed at a high-end resort. For the quality, comfort, and price, this set is an absolute win. Highly recommend to anyone looking to upgrade their sleep!
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Reviewed in the United States on February 8, 2026
★★★★★ 4
Amazing pillows!
Color: White, Size: Queen(Pack of 2)
These are fantastic pillows! A little background. I'm a side sleeper and toss and turn throughout the night. I've struggled with sleep issues for literally decades - insomnia, tossing and turning, waking up multiple times a night to use the bathroom, waking up way too early and not being able to get back to sleep. Every night it's a combo of those things or all of those things. I've also had some neck pain and stiffness for a couple of months. If you've ever dealt with that you know it will affect sleep which will then affect productivity and mood. It's a terrible spiraling and compounding thing to deal with, very stressful. I figured the contour pillow I had which once was actually helping was unfortunately the culprit. So I went on the hunt for another pillow. I ordered what I thought was the old Rejuvenite pillow (those were fabulous!) and got burned on a bait and switch. The pillow ended up being way too soft and gave me worse neck pain. Figuring I'd try to salvage what was a $115 pillow, I invested in a very thin pillow to put underneath. It was too high. Getting pretty frustrated, I ordered the cheaper Utopia pillows here on Amazon. Those actually were not terrible because they did take away my neck pain, but I was still tossing and turning at night and still feeling unrested in the morning. I decided I'd give it one last shot and luckily found these when they were discounted by a few bucks. They didn't have many reviews which was actually a great sign for me because it means the company lets their product speak for itself.
I got these in several days and was thrilled to see upon opening the package that they were sealed and the directions do not require you to open the package and let them expand for 24 hours. You literally just take the edges and fluff 2-3 times and that's it! They are ready to go and they definitely do feel perfect after doing that. I was skeptical when I put them on my bed because they are soft and I worried they'd be too soft. I felt my head sink into the pillow a bit and then was surprised to feel at a certain point it just feels like the pillow is cradling your head with the right amount of support. I wouldn't describe it as firm, just soft but stable support. Really comfortable.
But the real test was how it would perform during sleep. I'm so thrilled to report that I had an amazing night of sleep! No neck pain, no stiffness, zero tossing and turning, no insomnia, no waking up during the middle of the night, and no waking up early. I put my head down, fell asleep, and slept like a log for about 7.5 hours straight, which is literally unheard of in my world. I'm very lucky if I get 5 solid hours of sleep. I woke up and popped out of bed. My mood was great (still is later in the day) and I was not tired in the afternoon when I normally feel the fatigue kicking in. This is the first day for as long as I can remember that I do not feel that nagging tiredness behind my eyes and in my body that always seems to be a steady background actor in my life. I feel great and full of energy and I was able to tackle a bunch of tasks on my someday list. This is so promising I didn't want to wait to share. If you are on the fence and are dealing with similar issues to mine, I'd encourage you to just try these.
What's also amazing is these come in a set. I'm only using one so I basically have another one to use if the first one ever fails. This is the best investment for sleep I've ever made!
Update:
Well, after a trial period I'm removing a star because my dreamy sleep was short lived. I started to wake up more frequently during the night with these and gave up midway through the night one night. I'm still using these for back support while I sit up or hang out in bed because they are still super comfortable that way and oddly these work well for naps. Hopefully, you have better luck than me!
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Reviewed in the United States on February 21, 2026