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Description
BLUETTI B500 Expansion BatteryThe BLUETTI B500 Expansion Battery is designed to seamlessly expand the energy storage capacity of your BLUETTI EP800 or EP900 system. Ideal for home energy management, this battery allows you to maintain reliable power during unexpected outages or reduce dependence on the grid. Featuring advanced LiFePO (Lithium Iron Phosphate) technology, the B500 offers long lasting performance, enhanced safety, and stability even in challenging conditions. Its
The BLUETTI B500 Expansion Battery is designed to seamlessly expand the energy storage capacity of your BLUETTI EP800 or EP900 system. Ideal for home energy management, this battery allows you to maintain reliable power during unexpected outages or reduce dependence on the grid.
Featuring advanced LiFePO₄ (Lithium Iron Phosphate) technology, the B500 offers long-lasting performance, enhanced safety, and stability even in challenging conditions. Its self-heating function ensures optimal operation in cold weather, while the scalable design allows easy integration with multiple B500 units. With a 10-year warranty and lifetime customer support, the B500 provides dependable energy security for your growing household needs.
Features
- 4,960Wh capacity for extended backup power
- Compatible with BLUETTI EP800 and EP900 systems
- Long-life LiFePO₄ battery technology with 3,500+ cycles
- Self-heating function for reliable cold-weather operation
- Scalable: supports 2–4 B500 units for flexible energy expansion
- Indoor or outdoor installation with floor or wall mounting
Specifications
- Scalable: Works with EP800 and EP900; 2–4 B500 Battery Packs
- Battery Type: Lithium Iron Phosphate Cells (LiFePO4/LFP)
- Rated Capacity: 4,960Wh
- Dimensions (L×W×H): 25.0 × 12.8 × 13.3 inch / 636 × 325 × 338 mm
- Net Weight: 127.87 lbs / 58 kg
- Protection Grade: NEMA 4X / IP65
- Noise: <25dB
- Operating Temperature: Charging: 32℉–104℉; Charging (Inverter connected to grid): -4℉–104℉; Discharging: -4℉–104℉
- Working Humidity: 5%–95%
- Working Altitude: ≤6561 ft / 2000 m
- Installation: Floor or Wall Mounted; Indoor or Outdoor
- DoD: 90%
- Certifications: CB / CE / FCC / ICES / IP65 / PSE / RCM / UKCA / UL1973 / UL9540A / UN38.3-2022
Warranty
10-Year warranty covering defects in materials, workmanship, and performance
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
4.4 ★★★★★
Based on 25 reviews
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Product Reviews
★★★★★ 5
This was the best
Size: 1 Panel
This divider is great for creating a little privacy or separating a small area without taking up much space. The fabric is thick enough to block visual clutter, and the frame is lightweight but stable once it’s opened. It folds flat for storage, which is convenient if you only need it occasionally. Assembly was straightforward, and it was the perfect size. It’s a practical piece for apartments, studios, or home offices where you want a quick, temporary partition.
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Reviewed in the United States on April 14, 2026
★★★★★ 5
Good privacy screen
Size: 1 Panel, Size: 1 Panel
This is a good privacy screen that's easy to assemble and looks nice. Be a little careful moving it, as the corners can twist. It's sturdy once in place, and the thick material is completely opaque. If the folds bother you, you might want to iron it, but I'm happy with it as is.
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Reviewed in the United States on March 30, 2026
★★★★★ 3
Lightweight divider that works well for video call backgrounds
Size: 1 Panel
This divider works fine for what it is, but it’s definitely on the lightweight side.
Setup was very easy and only took a few minutes. The frame is fairly light, so it’s easy to move around or reposition if needed. That said, the tradeoff is that it’s not especially sturdy. It stands fine on its own but I wouldn’t expect it to handle much bumping or movement.
I mainly bought it to use as a background for Zoom calls when I’m working from my den, and for that purpose it works great. The fabric panel blocks the room behind me and gives a cleaner background on camera.
It’s not huge though. To keep the camera from seeing around it, I have to position it directly behind my chair. If you’re expecting it to divide a large room or create a big privacy barrier, it may feel a bit small.
Overall, it does the job and works well for temporary setups or video call backgrounds, but the lightweight frame keeps it from feeling like a premium divider.
The product description and photos are accurate.
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Reviewed in the United States on March 12, 2026
★★★★★ 2
Sent Wrong Pieces
Size: 1 Panel, Size: 1 Panel
I really, really wanted to like this - and, in theory, I really, really should have! The instructions were easy to follow and assembly took about five minutes. The assembled screen is lightweight and easy to move. It was a great size and exactly what I was looking for except....I wasn't sent the correct pieces. Instead of receiving 4 elbow pieces and 4 feet, I received 2 elbow pieces and 8 feet - meaning that the bottom part of the fabric just hangs there and, overall, the divider is extremely unstable because there is no horizontal support on the bottom. Thankfully, there are Velcro tabs on the side of the fabric so I can use it if I don't plan to move it even 1 cm, but otherwise, what I received is not usable for what I needed it for. Additionally, the fabric is made of polyester and catches animal hair very easily. Had I received the correct pieces, this would be a good buy for the money. Unfortunately, overall, I'm disappointed.
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Reviewed in the United States on February 28, 2026
★★★★★ 5
Works great, keeps the light out of my eyes and easy to put together
Size: 1 Panel, Size: 1 Panel
I got this room divider in and it works great. It’s really easy to put together you don’t even need tools. I really like that it’s not see through, it’s not a black out curtain but it keeps light out pretty good.
I absolutely hate my bedroom layout there’s no bathroom door. My girlfriend and I have different work schedules so I’m trying to sleep while she’s getting ready for work and the light shines right in my eyes. This divider keeps the light out of my eyes and that’s exactly what I was hunting for. I also like that you can adjust the length. I took one of the bars out to make it a little shorter and it worked great.
I would recommend this room divider.
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Reviewed in the United States on February 26, 2026
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