SKU: 84854260771

BETAFPV LAVA II 1S 320mAh 4.35v HV 95C BT2.0 Battery (5PCS)

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Description

BETAFPV LAVA II 1S 320mAh 4.35v HV 95C BT2.0 Battery (5PCS)Experience a generational leap in power and performance with the LAVA II 1S Battery. This next generation leverages an advanced core material upgrade to unlock 5. 5% 7. 7% more capacity and a remarkable 95C discharge rate, generating a massive 27. 9% 35. 1% current boost for incredibly responsive and consistent power. The legacy of the Z folding process ensures superior energy density and long term reliability. With an expanded range of five

Experience a generational leap in power and performance with the LAVA II 1S Battery. This next generation leverages an advanced core material upgrade to unlock 5.5%-7.7% more capacity and a remarkable 95C discharge rate, generating a massive 27.9%-35.1% current boost for incredibly responsive and consistent power. The legacy of the Z-folding process ensures superior energy density and long-term reliability. With an expanded range of five capacities, from 280mAh to the new 680mAh, the LAVA II provides precise power for any application.

 Check out the rest of our 1S Batteries and our BetaFPV Products!

Bullet Points

  • Unmatched Power & Endurance: Experience a 27.9%-35.1% current boost and longer flight times, driven by a 26.7% increase in discharge rate (95C) and 5.5%-7.7% more capacity within the same compact form factor.
  • Superior Z-Folding Technology: Leveraging our proprietary Z-Folding process, the LAVA II achieves a 5% higher energy density and significantly extended cycle life, delivering greater burst power and long-term reliability over conventional wound cells.
  • Iconic New Design: Instantly recognizable by its all-new, vibrant livery of green and yellow, signaling the advanced performance within.


Specifications

 

LAVA II 1S 280mAh Battery

LAVA II 1S 320mAh Battery

LAVA II 1S 480mAh Battery

LAVA II 1S 580mAh Battery

LAVA II 1S 680mAh Battery

Capacity

280mAh

320mAh

480mAh

580mAh

680mAh

Weight (g)

6.8

8.2

12.6

14.1

16.2

Dimensions (mm)

54*10*6

64*10*6

61*15.5*6

70*15*6.5

80*15*6.5

Power

1.06Wh

1.22Wh

1.82Wh

2.20Wh

2.58Wh

Compatible Whoops

Air65, Meteor65 Pro, Cetus

Air75, Meteor75 Pro, Cetus Pro, Cetus X

 Air75, Meteor75 Pro

C-rate

95C

Max Voltage

4.35V

Storage Voltage

3.85V

Battery Type

LiHV

Connector

BT2.0


Dimensions

LAVA II 1S 280mAh shown below for reference:

LAVA 1S Battery vs. LAVA II 1S Battery

Through a core material upgrade, LAVA II 1S Battery unlocks a formidable 95C discharge rate—a 26.7% increase over the previous 75C—delivering a massive boost in available power. This translates into a 0.1V higher and significantly more stable discharge voltage, providing unwavering consistency for peak performance.

Discharge curve of LAVA II 1S 280mAh Battery:

 

Discharge curve of LAVA II 1S 320mAh Battery:

Discharge curve of LAVA II 1S 480mAh Battery:

Discharge curve of LAVA II 1S 580mAh Battery:

Discharge curve of LAVA II 1S 680mAh Battery:

The chart below compares the key specifications of the LAVA 1S and LAVA II 1S batteries:

 

Dimensions (mm)

Weight (g)

Capacity

Power

C-Rate

LAVA II 1S 280mAh 95C

54*10*6

6.8

280mAh

1.06Wh

95C

LAVA 1S 260mAh 80C

54.5*10*6

6.9

260mAh

0.98Wh

80C

LAVA II 1S 320mAh 95C

64*10*6

8.2

 320mAh 1.22Wh

95C

LAVA 1S 300mAh 75C

64*10*6

8.2

300mAh

1.14Wh

75C

LAVA II 1S 480mAh 95C

61*15.5*6

12.6

480mAh

1.82Wh

95C

LAVA 1S 450mAh 75C

61*15.5*6

12.5

450mAh

1.71Wh

75C

LAVA II 1S 580mAh 95C

70*15*6.5

14.1

580mAh

2.20Wh

95C

LAVA 1S 550mAh 75C

67.5*15*7

14.3

550mAh

2.09Wh

75C

LAVA II 1S 680mAh 95C

80*15*6.5

16.2

680mAh

2.58Wh

95C

 

Z-Folding Process

The Z-Folding process delivers a superior performance advantage, leveraging its low internal resistance to enable efficient high-current discharge and a 0.2V higher voltage under load compared to wound cells, ensuring consistent and robust power. This architecture also achieves a 5% higher energy density within the same volume and a significantly extended cycle life. Furthermore, it provides unparalleled design freedom, allowing for precise customization of the battery's size and shape to meet specific application requirements, offering broader versatility than traditional winding methods.

Warning

  • Please fully charge the new battery before use.
  • Only use a charger designed for lithium polymer/Li-ion battery, and never leave the battery unattended during the charging process.
  • Always keep the battery away from flammable and explosive materials while charging.
  • Never overcharge the battery. The maximum voltage for a LiPo battery is 4.2V per cell, and for a LiHV battery is 4.35V per cell.
  • Never discharge the battery to a level below 3V per cell under load.
  • Do not store fully charged batteries for more than 3 days. For long-term storage, maintain the voltage between 3.8V and 3.9V.
  • Do not disassemble, crush, short circuit, or expose to flame or other sources of ignition.
  • Do not use batteries that are deformed or swollen. 


Package Includes:

  • 5 x BETAFPV LAVA II 1S 320mAh 4.35v HV 95C BT2.0 Battery
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: 84854260771

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4.8 ★★★★★
Based on 12 reviews
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Product Reviews
F
Fred
Pawtucket, US
★★★★★ 5
Stable, flexible in deployment configuration, creates true privacy and looks great.
Size: 3 Panel 12FT W
This is the second room divider panel I have installed, and there are several features about this one that I like much better than my older one. The fact that there are no gaps and that the material is thicker means you get more privacy or more hiding power, if you wish. My older divider has vertical spaces between each of the panels and the panels are half as wide as the Siebwin panels, so there are many vertical spaces. The Siebwin divider really creates privacy. Another feature that I really appreciate is that the legs are wider and stand off from the floor. On my older one the legs are flat and they're rather awkward to adjust because they create more drag on the floor. The feet on the older one also loosen if you turn them counter clockwise, so adjustments of configuration that require the feet to be moved are more complex. The older divider also must be deployed in a zig-zag fashion because he feet are not as wide, but this new one can be deployed and stable in a straight, an "N" shape or an arc. They are both the same length, but because the older one must be use in a zig-zag deployment it doesn't reach to the length of the new one. The Siebwin divider definitely costs more at $103.48, but it sports several features and advantages over the other brand, so it does a better job and is worth the extra cost.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026
C
Computer
Bozeman, US
★★★★★ 4
Easy to assemble, does the job, material is shiny nylon and shows creases, minor defects, sloppy
Size: 3 Panel 12FT W, Size: 3 Panel 12FT W
The Siebwin room divider is a good idea, and for the price, it mostly delivers on the intended functionality. I ordered the 12 foot, 3-panel version mainly to hide an unfinished basement storage area that had become an eyesore. It works well for that purpose and gives the space a cleaner appearance without spending the kind of money that more decorative dividers or custom partitions cost. If you need something temporary, portable, or mainly functional, this is a viable option. There are a few limitations that became obvious during setup and use. The first thing I noticed was that the weld quality on some of the metal poles is fairly sloppy. Once the cover is installed, you do not really see it, but up close, it does not look especially refined or professional. The blackout material also is not a matte canvas style fabric as I expected. It has more of a shiny nylon appearance, and the creases are fairly visible. Being that it’s more of a nylon, I’d be hesitant to try steaming it to remove the creases. However, the creases do not matter if you are using it in a basement, dorm, or shared room, but for photography, video work, or a professional office setting, the appearance could be disappointing. The fabric is thick enough, though. It blocks visibility well enough, but strong light behind it still shows through to some extent, nothing deal-breaking. Also, my fabric appeared to be slightly defective. The hook and loop strip on one of the bottom sections was off-center and couldn't be totally attached because it was lined up with one of the legs. I originally hoped to use this as a video backdrop, but I will probably end up replacing the fabric with a proper green screen or canvas material while continuing to use the frame itself. For now, it does a good job of covering my basement junk. Assembly was actually easier than I expected and took roughly 15 to 20 minutes. The longer vertical poles are tethered together similarly to tent poles, which made setup straightforward and fairly intuitive. The shorter horizontal pieces slide and snap together to the top and bottom of the vertical assembly. After each section is assembled, the divider panels connect together with metal plates and two knurled screws (at the top and bottom), so no tools are really required. A few screws were difficult to start because paint had gotten into the threads, but once they caught, they tightened down normally. The feet install with similar knurled fasteners and help keep the divider reasonably stable. One thing to watch for during setup is the fabric orientation. There is one arrow indicator in the middle of the fabric to indicate up. However, if you need another indicator, the smaller hook and loop strip goes on the bottom while the longer strip goes on top. I realized mine was upside down right before finishing and had to redo it. I wasn't difficult to redo, despite the defect in mine. The overall design is practical and easy to move around. I do like that the panels can fold and bend into different shapes depending on the space. The widened feet help stability, although when trying to stretch the fabric tight, I noticed the poles sometimes wanted to overlap slightly at the joints. Tightening everything helped somewhat, but it still happened occasionally. The divider feels adequate for normal indoor use, though I would not expect premium durability or luxury-level fit and finish at this price point. The entire device can also be easily disabled and stored in a tote if you need it completely out of the way. It comes with assembly instructions, but even if you didn’t have them, it’s easy to build without them (save a mistake or two). In terms of value, I think the Siebwin divider mostly matches its price. Around $100 gets you a large freestanding partition with decent usability and easy assembly, but there are compromises in materials, appearance, and refinement. The defects are also off-putting, but hopefully you won't have them. Higher-end room dividers can easily cost two or three times more, so some of the tradeoffs are expected. I also noticed cheaper alternatives online, but based on the quality here, I suspect those would probably have even more issues. For practical home use, temporary privacy, hiding storage areas, or separating shared spaces, this is a good option as long as expectations stay realistic.
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Reviewed in the United States on May 18, 2026
T
Trendy Tales
New York, US
★★★★★ 3
Works well but takes up more space than expected
Size: 2 Panel 8FT W, Size: 2 Panel 8FT W
This room divider does the job for creating a little extra privacy and was easy enough to set up. The panels feel decent quality and the wider feet help keep it more stable than some cheaper screens I’ve tried. My only issue is that it takes up a bit more room than I expected, especially with the feet sticking out. It’s still portable and folds away nicely, but definitely measure your space first. Overall it works well for separating a room or blocking off an area temporarily. i wish it came in other colors
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026
K
Katrina Rhodes
Los Angeles, US
★★★★★ 5
Nice divider, serves it's purpose well!
Size: 3 Panel 12FT W
This room divider worked out very well for what I needed. I wanted a simple way to create a little more privacy and separation in a larger room without doing anything permanent, and this divider was an easy solution. The panels provide good coverage, and the black color gives it a clean, modern appearance that blends in nicely with different décor styles. Assembly was fairly straightforward, and once set up, the wider feet helped keep the divider stable on the floor. I was especially happy with how flexible the panels are to arrange. You can keep it mostly straight, angle it around furniture, or create a more enclosed private space depending on the layout you need. The material allows light to filter through slightly while still offering a noticeable sense of privacy. I’ve used it for separating a workspace area, but it would also work well in bedrooms, apartments, dorms, studios, or shared living spaces. Another plus is that it can be folded and moved without too much effort when you want to change the setup. Overall, this divider delivers a good balance of functionality, portability, and appearance. It’s a practical option for anyone needing temporary room separation without installing permanent walls or curtains.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026
J
Jamie K.
Louisville, US
★★★★★ 5
Perfect for Adding Privacy to a Piano Studio
Size: 2 Panel 8FT W, Size: 2 Panel 8FT W
I Ordered the 2 Panel version which is way too big for my needs... that's on me. So keep in mind that the picture shows a fabric made for two panels only being used on one and hence it is not pulled tight; it would pull tight and not be so wrinkly if it was set up properly as two panels. The metal pools that make up the panels seem to be well made, stable, and of good quality. They were very easy to put together and they stand up tall with plenty of height. The appearance of it with the fabric on it isn't as elegant as it could be, but it still looks good enough. The material is plenty solid, not allowing light through it, and thereby making a solid barrier. I am using it to block the view out the studio door when a student is sitting at the piano to avoid distractions from the hallway. It will allow a student to enter the studio with our distracting the student who is at the piano.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 18, 2026

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