HOMEBETAFPV LAVA II 1S 280-680mAh 95C BT2.0 Battery
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BETAFPV LAVA II 1S 280-680mAh 95C BT2.0 Battery
About BETAFPV LAVA II 1S 280-680mAh 95C BT2.0 Battery
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.
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BETAFPV BT2.0 1S Charger and Voltage Tester V2 for Whoop Batteries
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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.
The LAVA II achieves a 5% higher energy density and significantly extended cycle life, delivering greater burst power and long-term reliability over conve
Instantly recognizable by its all-new, vibrant livery of green and yellow, signaling the advanced performance within.
With an expanded range of five capacities, from 280mAh to the new 680mAh, the LAVA II provides precise power for any application.
The legacy of the Z-folding process ensures superior energy density and long-term reliability.
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Description
FAQ
Advanced Z-Folding Architecture for Superior Voltage Hold
Unlike traditional wound cells, the legacy Z-folding process ensures lower internal resistance and 5% higher energy density. It maintains a 0.2V higher voltage under load, eliminating mid-air sag.
Specifications
By generating a massive 27.9% to 35.1% current boost, the LAVA II supplies unwavering power consistency during aggressive acrobatics. It acts as a vital performance component across your drone parts travel layout.
Model
Capacity
Weight (g)
Dimensions (mm)
Power
Compatible Whoops
C-rate
LAVA II 1S 280mAh Battery
280mAh
6.8
54 × 10 × 6
1.06Wh
Air65, Meteor65 Pro, Cetus
95C
LAVA II 1S 320mAh Battery
320mAh
8.2
64 × 10 × 6
1.22Wh
Air75, Meteor75 Pro, Cetus Pro, Cetus X
95C
LAVA II 1S 480mAh Battery
480mAh
12.6
61 × 15.5 × 6
1.82Wh
Air75, Meteor75 Pro
95C
LAVA II 1S 580mAh Battery
580mAh
14.1
70 × 15 × 6.5
2.20Wh
—
95C
LAVA II 1S 680mAh Battery
680mAh
16.2
80 × 15 × 6.5
2.58Wh
—
95C
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:
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.
Looking to squeeze maximum flight times, explosive power, and zero voltage sag out of your Tiny Whoop or micro FPV quad? The newly upgraded BETAFPV LAVA II 1S Series (280mAh–680mAh / 95C) brings advanced folded-cell Z-fold technology and a upgraded 95C discharge rating to power your micro builds.Here is a comprehensive buyer’s guide covering real-world flight testing, lab bench analyzer data, and capacity selection advice to help you choose the right pack.
What’s New in LAVA II? (Upgraded Z-Fold Technology)
Unlike traditional wound battery cells, the BETAFPV LAVA II series utilizes premium Z-Fold (folded) cell technology, delivering noticeable performance benefits for micro quads:Boosted Discharge Rating (95C): Up to 75C higher than legacy 1S packs, providing cleaner power output during violent throttle punch-outs and rapid recovery maneuvers.Minimal Weight Increase (~2g gain for reinforced base/capacity): Keeps total weight extremely close to standard 1S sizes while squeezing out higher real-world mAh capacity.BT2.0 Solid-Pin Connector: Replaces high-resistance PH2.0 connectors with solid 1.0mm banana pins to reduce connector voltage drop, lower resistance, and prevent premature low-voltage warnings.
Lab & Real-World Flight Test Insights
● CBA Battery Analyzer Bench Test (15C Discharge & Pulse Test)Real Capacity Exceeds Factory Rating: In 15C continuous discharge tests, LAVA series batteries consistently exceed their nominal mAh ratings (e.g., 260mAh and 300mAh test over 100% capacity; 550mAh cells perform closer to 600mAh real capacity).Exceptional Energy & Power Density: Demonstrates top-tier energy-to-weight ratios (Wh/g). The larger capacity packs (like 550mAh/680mAh) deliver incredible flight longevity, outperforming many competing 1S batteries in cruise duration.Stable Peak Current: Delivers flat voltage curves down to 3.1V cutoff, eliminating sudden mid-flight voltage sag.
● Real-World Tiny Whoop Flight ImpressionsAgile Throttle & Zero Prop Wash: Tested on 65mm/75mm micro Whoops, LAVA II provides snappy low-end response, making precise indoor altitude micro-adjustments and tight bando maneuvers effortless.High Cost-to-Performance Ratio: Offers 20% to 30% lower cost per pack compared to premium boutique brands while delivering ~95%+ of top-tier performance, making it the most economical choice for daily practice.
Capacity Selection & Compatibility Guide
Choose the ideal LAVA II 1S capacity based on your frame size and flying style:Battery ModelCapacity / VoltageWeight RangeRecommended Quad & SetupPilot AdvantageLAVA II 280mAh / 320mAh3.8V LiHV (4.35V)~7.1g – 8.1g
● 65mm Tiny Whoops (e.g., Meteor65, Meteor65 Pro) Ultra-lightweight; maximum agility and top speed for indoor racing.LAVA II 450mAh / 480mAh3.8V LiHV (4.35V)~12.0g – 13.0g
● 75mm Whoops / Toothpicks (e.g., Meteor75)Perfect balance of power, throttle authority, and extended flight time.LAVA II 550mAh / 680mAh3.8V LiHV (4.35V)~14.0g – 16.5g
● 75mm–85mm Long Range Whoops (e.g., Meteor85, Pavo Pico)Maximum energy density for long-range cruising and HD camera carrying.
Is the BETAFPV LAVA II Worth It?
Delivering Z-fold cell efficiency, true-to-spec discharge curves, and BT2.0 solid-pin reliability at a 20–30% lower price point, the BETAFPV LAVA II 1S series is a 5-star daily driver for Whoop pilots in 2026."
Choose LAVA II 280mAh–320mAh if: You fly fast 65mm indoor Whoops and prioritize ultra-light weight and maximum agility.
Choose LAVA II 450mAh–680mAh if: You run 75mm–85mm quads, carry HD thumb cameras, or want maximum cruise times without heavy voltage sag.
💡 Pro Pilot Tip: Always pair LAVA II batteries with a dedicated BT2.0 1S LiHV balance charger (such as the BETAFPV BT2.0 Charger/Tester) to ensure accurate 4.35V charging and keep your cells perfectly balanced for long cycle life!
The 280mAh packs are ideal for racing. They keep my whoop light and responsive while still providing enough power for aggressive flying.
Specification：280mAh95C(5PCS)
E******.
Verified
I've been flying the 680mAh packs for several weeks now. The extra capacity gives noticeably longer flight times without sacrificing performance.
Specification：680mAh95C(4PCS)
F******.
Verified
Excellent choice for indoor racing. Lightweight, reliable, and they charge quickly between sessions.
Specification：280mAh95C(5PCS)
O*******.
Verified
Perfect batteries for lightweight 65mm whoops. Great throttle response and very little voltage sag during fast laps.
Specification：280mAh95C(5PCS)
L*****.
Verified
Perfect match for my BETAFPV Air series drones. Plenty of punch when needed and very efficient during cruising flights.
Specification：580mAh95C(4PCS)
J******.
Verified
The BT2.0 connector is a huge upgrade. My quad feels more responsive and flight times have improved compared to my old batteries.
Specification：480mAh95C(4PCS)
S*******.
Verified
Fast shipping and excellent battery quality. The cells stay balanced and provide stable voltage even during aggressive maneuvers.
Specification：580mAh95C(4PCS)
H******.
Verified
Great balance between weight and flight time. My tiny whoop feels agile while getting noticeably longer flights.
Specification：320mAh95C(5PCS)
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FAQFeel free to ask us any questions
ASK A QUESTION
Q: What makes the BETAFPV LAVA II battery better than the previous LAVA series?
A: The LAVA II series features an upgraded cell core and a higher 95C discharge rate, delivering stronger power output, reduced voltage sag, and longer flight times compared to the previous generation.
Q: Which capacity should I choose for my FPV drone?
A: 280mAh and 320mAh are ideal for lightweight racing whoops, while 480mAh, 580mAh, and 680mAh provide longer flight times for freestyle and cruising flights.
Q: What connector does the LAVA II battery use?
A: All LAVA II batteries are equipped with a BT2.0 connector, which offers lower resistance and more efficient power transfer than traditional PH2.0 connectors.
Q: Are these LiPo or LiHV batteries?
A: The LAVA II series uses LiHV technology and supports charging up to 4.35V per cell, providing higher energy density and extended flight performance.
Q: Can I use a higher C-rating battery on my drone?
A: Yes. A higher C-rating allows the battery to deliver power more effectively under load, improving throttle response and reducing voltage sag.
Verified
