This very fancy e-bike is one of the first to go semi-solid state
German e-bike maker Lemmo unveiled the Lemmo 3, its first cargo longtail that uses a semi-solid state battery. The premium step-through bike pairs a 960Wh removable battery with a rear-hub motor and a suite of commuter- and cargo-oriented features, and is being promoted on a Kickstarter teaser with deliveries targeted for April 2027.
Why It Matters
The use of a semi-solid state electrolyte is notable because it promises improved energy density and lower fire risk compared with conventional lithium-ion packs, which could change safety and packaging choices for high-capacity e-bike batteries. As cargo and commuter e-bikes require larger batteries, advances in battery chemistry affect range, durability, and onboard power capabilities.
Key Facts
- Model: Lemmo 3
- Battery type: Semi-solid state
- Battery capacity: 960Wh
- Claimed range: Up to 180 km (110 miles)
- Company battery claims: 20% smaller and lighter; 30% longer lifespan (compared with traditional lithium-ion, per company)
Lemmo has introduced the Lemmo 3, its first cargo-focused longtail e-bike, positioning the model as a premium step-through 'eSUV' for everyday hauling and commuting. The bike is notable for integrating a semi-solid state battery chemistry in a removable 960Wh pack, which the company says yields higher energy density and lower thermal runaway risk versus standard lithium-ion cells. Lemmo also claims the semi-solid pack is roughly 20% smaller and lighter while delivering a 30% longer service life. The removable battery supports vehicle-to-load functionality, able to run AC appliances up to 1,000W and USB-C devices at up to 66W, and the company highlights the electrolyte’s stability even if punctured. With the battery installed the Lemmo 3 weighs 39 kg (86 lb), including a 5 kg (11 lb) battery, and the platform is rated to carry a total load of 200 kg (441 lb) — 80 kg on the rear and 20 kg on the front rack. Drive hardware includes a rear-hub motor available at different legal outputs (750W for the US, 500W for Canada, 250W for Europe) that can deliver up to 90 Nm of torque. The bike combines the motor and an electronic derailleur to feed an adaptive AI model that selects gears in real time; it can also be optioned with a 3-speed auto-shifting gearbox and a belt drive. Rider fit is broad, with adjustments supporting heights from 155 cm to 195 cm, and wheel sizing uses a 24-inch front and 20-inch rear setup. Comfort, safety, and connectivity features are extensive: full suspension, integrated lighting with turn signals and brake lights, a 3.5-inch touchscreen, OTA updates, rear-facing radar for vehicle alerts, hydraulic brakes that apply stopping force to both wheels from a single lever, embedded frame and battery locks, and GPS/LTE tracking. Lemmo made the rear rack compatible with MIK HD accessories for child seats, bags, and boxes. Lemmo has listed the model on a Kickstarter teaser page for EU, UK, US, and Canada and is accepting refundable €39.90 reservations that lock in a tax-exclusive early price of €1,890 (company says retail will be substantially higher, above €3,390). The company is targeting first deliveries in April 2027.
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Original source: The Verge