SKU: 62638641837

BetaFPV LAVA II 4S Battery [DG]

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Description

BetaFPV LAVA II 4S Battery [DG]Experience a generational leap in power and performance with the LAVA II 4S 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 33. 6% current boost for incredibly responsive and consistent power. The legacy of the Z folding process ensures superior energy density and long term reliability. Choose the new 680mAh version for extended

Experience a generational leap in power and performance with the LAVA II 4S 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 33.6% current boost for incredibly responsive and consistent power. The legacy of the Z-folding process ensures superior energy density and long-term reliability. Choose the new 680mAh version for extended flight time.

Features

  • Unmatched Power & Endurance: Experience a 33.6% 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

  • Items: LAVA II 4S Battery
  • Capacity: 580mAh/680mAh
  • Battery Type: LiHV
  • Voltage: 15.2V
  • C-rate: 95C
  • Charge Plug: JST-XH2.54 Plug
  • Connector: XT30 with 18AWG silicone wire
  • Weight: 55g (580mAh), 64.2g (680mAh)
  • Dimensions

LAVA II 4S 580mAh Battery:

LAVA II 4S 680mAh Battery:

LAVA 4S Battery vs. LAVA II 4S Battery

Through a core material upgrade, LAVA II 4S 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 4S 580mAh Battery:

Discharge curve of LAVA II 4S 680mAh Battery:

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 customisation 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.

Includes

  • 2 x LAVA II 4S 580mAh / 680mAh 95C Battery (580mAh package shown below for reference)

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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: 62638641837

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4.2 ★★★★★
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S
Shredder
Belleville, US
★★★★★ 5
Lightweight, Comfortable Hoodie That’s Great for Everyday Wear
Color: Grey Green, Size: XX-Large
This hoodie turned out to be a really solid combination of comfort, performance, and casual style. The fabric feels lightweight and breathable while still providing enough warmth for cooler mornings and evenings. I especially like how soft and stretchy it feels without being bulky. The moisture-wicking, quick-drying material works well for workouts and outdoor activities, and it also looks clean enough for everyday casual wear. I’ve worn it to the gym, while traveling, and just around the house, and it’s been comfortable in every situation. The subtly textured design gives it a more premium appearance than a standard hoodie, and the fit strikes a nice balance between relaxed and athletic. It layers easily with jackets or can be worn on its own with joggers or jeans. Another big plus is the UPF protection, which makes it useful for outdoor activities like hiking, golf, or walking around in the sun. Overall, this is a versatile, comfortable, and stylish hoodie that works great for both active and casual use. Highly recommended!
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Reviewed in the United States on May 20, 2026
T
Timothy Ward
Alexandria, US
★★★★★ 5
A great lightweight hoodie.
Color: Light Dark Blue Grid, Size: X-Large
Another excellent M MAELREG product. I already have some pants and jackets from M MAELREG and figured this hoodie would be great as well and I was right. It is lightweight and very comfortable while also being warm. The material is smooth and soft to the touch with a stylish look to it that would work in tthe gym, on the golf course, or out about town. I really love the hood design, not having a single hem down the center lets the hood rest more naturally on your head. It fits as expected, I would prefer it to be a couple inches longer, but that's just my personal taste. Overall, this is an excellent lightweight hoodie.
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Reviewed in the United States on May 18, 2026
R
Robbel
West Palm Beach, US
★★★★★ 5
Nice hoodie, very comfortable
Color: Misty Blue, Size: Medium
This hoodie feels lightweight and breathable which makes it good for golf, workouts, or just casual everyday wear. The fabric has a soft athletic feel and stretches enough to stay comfortable while moving around. It’s lighter than a standard sweatshirt, so it works better for layering or mild weather. I liked that it didn’t feel bulky while still giving some warmth during cooler mornings. The hood lays nicely and the material dries fairly quickly if you sweat in it. It also has a cleaner athletic look that pairs well with joggers, shorts, or golf pants without looking sloppy. One thing to note is it’s thinner than some people may expect from a hoodie, so it won’t replace a heavy sweatshirt in colder weather. The fit also runs slightly slim depending on build. Still, for sports, travel, or casual wear, it’s comfortable and easy to throw on without feeling heavy.
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Reviewed in the United States on May 11, 2026
H
hannah
Waukegan, US
★★★★★ 4
Great lightweight fabric, good design
Color: Grey Green, Size: Small, Color: Grey Green, Size: Small
This hoodie is a great athletic top. The size small fits my husband well, although it's a little loose in the arms. So if you have a leaner figure, you may find it a bit baggy. But the fabric is fantastic, a high-quality performance fabric that seems breathable and the UV protection is a great bonus. The sleeves are long enough to make good use of the thumb holes in cooler weather, and the color is a nice neutral, gray-green. For reference, the size small has a chest of about 42" (measured just under the sleeves) and a center back length of approx. 25".
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Reviewed in the United States on April 5, 2026
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NorNev Reviews
Lexington, US
★★★★★ 5
Great Quality and Look
Color: Grey Green, Size: Medium
21st century materials are here to save us! :) M Maelreg does a great job utilizing those materials to the best of their ability. I've really become a fan of just about anything that they make, and this shirt is no exception. It's made from the very popular 88/12 Poly/spandex blend that has become ubiquitous in the fitness/active industry because of its amazing tensile characteristics- wicking, quick dry, UPF, and extra comfy against the skin. You get all of that here and a no-frills, really beautiful color to go along with a fit that is exactly true to size. I took the more form-fitting version for my 5'10" 175 lb. frame (I've found both L and M work from these guys, M for a more tailored look) and it's exactly right- enough room to move around comfortably and breathe, not so tight that it's hugging my belly. It's super lightweight and really easy to launder (I hang dry mine to prevent pilling and wrinkles), cold/low and a medium/low heat iron to rid those stubborn factory wrinkles and you shouldn't ever need to iron it again. Another great offering from the folks at Maelreg.
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Reviewed in the United States on April 15, 2026

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