Description
BETAFPV LAVA II 580mAh 1S Battery: the “don’t fade” upgrade for 1S
If you’ve ever felt your whoop lose its bite halfway through a pack, the BETAFPV LAVA II 580mAh 1S Battery is designed to attack that exact problem. Instead of feeling punchy for the first few seconds and then turning soft, LAVA II is built around higher discharge capability and a steadier voltage platform. BETAFPV states that, through a core material upgrade, the LAVA II 1S series reaches a 95C discharge rate and delivers a higher, more stable discharge voltage than the previous generation.
Why 580mAh is a sweet spot
More capacity is not just about staying in the air longer. It also gives you a bigger energy reserve for repeated throttle hits. This 580mAh version is rated at 2.20Wh, which provides more total energy than smaller 1S packs in the same series. All else equal, more watt-hours generally supports longer runtime or more aggressive flying before performance drops.
Z-Folding tech: what it means for real flying
BETAFPV highlights its Z-Folding process as a performance advantage. According to BETAFPV, Z-Folding leverages low internal resistance to enable efficient high-current discharge and can provide higher voltage under load compared with wound cells, while also increasing energy density and extending cycle life. In simple terms, the goal is a battery that stays “firm” when you demand power, rather than sagging hard on punch-outs.
Fit, connector, and charging basics
Fit matters on whoops. The 580mAh pack is listed at 14.1 g and 70 × 15 × 6.5 mm, so it’s aimed at larger 1S setups that can physically accept a 15 mm wide pack. It’s a LiHV battery with a maximum charge voltage of 4.35V, and it uses a BT2.0 connector. Store voltage is listed at 3.85V for the series.
Quick spec highlights
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Capacity: 580mAh
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Discharge rate: 95C
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Battery type: LiHV (max 4.35V, storage 3.85V)
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Connector: BT2.0
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Size: 70 × 15 × 6.5 mm
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Weight: 14.1 g
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Energy: 2.20Wh
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