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Onboard charging

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Learn more about onboard charging.

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Onboard Charging

An onboard charger is an essential component in electric vehicles (EVs) and machines that ensure charging can occur independently of charging stations or depots. With an onboard charger, vehicles can be conveniently recharged wherever an electrical outlet is available.

Designed for Demanding Environments

Onboard chargers are typically much smaller than stationary chargers (offboard chargers) and often deliver lower power output. Since these chargers are transported on board, they must be compact and perfectly adapted to the vehicle's design and operational requirements.

While onboard chargers have been utilized in electric cars for many years, the demand for robust, reliable solutions is increasing with the growing use of electric forklift trucks, utility vehicles, wheel loaders, automated guided vehicles (AGVs), cleaning machines, and other industrial equipment. These chargers must endure harsh conditions, including vibrations, shocks, dirt, dust, and extreme temperature variations. A well-designed onboard charger needs to perform reliably in everything from icy cold mornings at -30°C to sweltering summer days with machines operating at full power in temperatures up to +55°C.

An electric quad bike.

Integrated for Optimal Performance

An onboard charger is more than just a small "black box" - it is often fully integrated into the vehicle's Battery Management System (BMS) via a CAN bus interface. Modern electric vehicles are complex systems, requiring chargers to seamlessly fit into the design while communicating effectively with other components and systems. Furthermore, all onboard electrical equipment can be potential sources of conductive or emissive disturbances, which the onboard charger must be equipped to handle.

An engineer working at a custom battery solution for a customer.

Micropower’s Onboard Charger Solutions

Micropower has delivered over 100,000 onboard chargers to customers worldwide in the industrial sector. The comprehensive range of built-in chargers has been successfully integrated into various industry applications, from forklift trucks and automated guided vehicles to utility vehicles.

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