BetaFPV LAVA II 4S Battery

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.
Explore the full lineup: LAVA II 1S , 2S , and 3S  batteries.

Bullet Points

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 deli