CARKU

LAS VEGAS – November 04, 2026 -- CARKU has raised peak current on its flagship JS-588 jump starter from 1800A to 3000A and is showing a sodium-ion model rated for temperatures down to -40°F at SEMA 2026. Both products are ready for mass production, the company said.

JS-588 jump starter lifts peak current to 3000A for large engines

The JS-588 succeeds the JS-506, a SEMA Global Media Award winner. CARKU says the 3000A rating can start gasoline engines up to 8.0L and diesel engines up to 6.0L, even from fully dead batteries.

The unit combines jump starting, high-pressure tire inflation, real-time digital pressure monitoring and multi-mode LED lighting. It also carries a 74Wh battery with 45W USB-C PD output, an upgraded USB-C1 input of up to 9V/2A and a 1.4kg body with an integrated carry lanyard.

Frankfurt – – September 19, 2026 -- CARKU unveiled a sodium-ion jump starter and two new starting batteries at Automechanika Frankfurt 2026, expanding its emergency-starting portfolio for passenger and commercial vehicles.

CARKU's jump starter series generates roughly 30% of company revenue in Europe

Europe ranks among CARKU's key overseas markets, with its jump starter line contributing approximately 30% of total revenue in 2025, according to internal sales data.

JS-617N jump starter starts vehicles at temperatures as low as -40°C

The 12V/24V JS-617N combines automatic voltage recognition with manual-start capability and 10 integrated protection functions covering electrical, thermal, and software safeguards. Internal testing showed the unit successfully starting vehicles at -40°C, according to the company.

Frankfurt – – September 13, 2026 -- CARKU is showcasing a dual-track battery strategy at Automechanika Frankfurt 2026, positioning sodium-ion and lithium starting batteries as replacements for AGM technology across combustion-engine fleets.

CARKU targets cold-climate markets with sodium-ion starting batteries

The company's sodium-ion batteries are engineered for durability and cold-temperature performance, addressing weight, cycle-life and low-temperature limitations that AGM batteries face in Northern Europe. CARKU positions the technology as a next-generation alternative for passenger cars, trucks and motorcycles operating in extreme climates.