Bus Charger

Bus Charger: What You Need to Know

A bus charger is a device used to recharge the batteries of electric buses, and they have evolved a lot. An electric bus is a potential future savior, essentially because they are the epitome of sustainable transportation and are efficient and can lead to significant cost savings.

To power these electric buses, a bus charger is needed. One of the companies that manufactures the best bus chargers is Electrly. They produce premium chargers with many benefits, like their in-house manufacturing and competitive prices. Read on to learn more about bus chargers and Electrly specifically.
Reasons to Choose Electrly EV Charger

Electrly is a company that specializes in developing advanced electric vehicles and innovative and reliable bus chargers. Here are some reasons why you should consider choosing a bus charger from Electrly:

  • Advanced Technology: Electrly’s bus chargers are equipped with advanced technology that ensures reliable and efficient charging while offering remote monitoring and control features, smart charging, and energy management.
  • Customisable Solutions: Electrly’s bus chargers are highly customizable, allowing you to choose from various charging capacities, connector types, and mounting options to suit your needs.
  • Fast Charging: Electrly’s bus chargers are designed to deliver fast charging speeds, allowing buses to recharge their batteries and get back on the road quickly.
  • High-Quality Components: Electrly’s bus chargers are built using high-quality components, ensuring long-lasting performance and durability.
  • Exceptional Customer Support: Electrly is committed to providing exceptional customer support, including installation, training, and ongoing maintenance services.
  • Environmentally Friendly: Electrly’s bus chargers are designed with sustainability in mind, using renewable energy sources and energy-efficient technology to reduce carbon emissions and support a cleaner, greener future.

If you’re looking for a reliable and customizable bus charging solution, Electrly’s bus chargers will be an excellent choice. Visit here to learn more about Electrly bus chargers.

Types of Bus Chargers

There are several types of bus chargers available, and here are the most common types of bus chargers:

  • Depot Chargers: They are installed at the bus depot, where the buses are parked overnight. They require a smaller footprint and would acquire less space, which makes them a cost-effective option for bus operators. Although they are slower than the other charging technology, the buses may need to stay at the depot for several hours to get a full charge.
  • Opportunity Chargers: They are installed along the bus route and are used to “opportunistically” charge the bus’s battery during short stops. They are fast chargers, allowing the bus to quickly top up its battery during stops and requiring less infrastructure. Still, they are slightly inclined to the expensive side because they require specialised technology to provide a fast charge during short stops. 
  • En-route Chargers: They yield fast charging to the bus, allowing it to top up its battery during stops. They can be installed at strategic locations along the bus route, which will assist the bus in recharging en route. The en-route chargers can extend the range of electric buses, allowing them to cover longer routes, but they can be more expensive than standard charging equipment.

How Bus Chargers Work

The bus charger majorly requires the below three components:

  1. The Charger: It converts electrical energy into a form that can be stored in the battery. The charger is typically located at the charging station, which can be a depot, a bus stop, or an en-route charger.
  2. The Battery: The component stores the electrical energy for later use by the electric bus. One can find the battery on the underside of the bus connected to the charger via the power source.
  3. The Power Source: As the name goes, the source of electricity is an essential part of the whole universe of electric buses. Typically the power source is the cable, but depending on the charging technology, the power source can be the electrical grid, a solar panel array etc.

Key Features of Bus Chargers

Here are some key features of bus chargers:

  • Charging Capacity: A bus charger’s charging capacity means the maximum amount of electrical energy it can deliver to the bus battery en route. One can measure them in kilowatts or megawatts units, which can change depending on the type of charger used.
  • Charging Time: The charging time of a bus charger will make all the difference in the world, as it essentially yields the time that a bus will have to stop to recharge and return on the route. The charging time can vary depending on the charge type and the battery capacity installed in the bus.
  • Connectivity: Bus chargers can be connected to the electrical grid or other power sources such as solar panels or hydrogen fuel cells. The connectivity type can affect the charger’s cost, efficiency, and reliability.

Smart charging technologies play a crucial role in optimizing the charging process of electric buses and minimizing energy costs. They can implement demand response strategies, which allow the charger to adjust its charging rate based on the grid’s energy availability. 

By reducing the charging rate during peak demand periods, smart chargers can help to avoid overloading the grid and minimize energy costs. They can also implement load balancing strategies, which distribute the charging load across multiple chargers based on availability and capacity.

Bus Charger Installation and Maintenance

Installing and maintaining a bus charger requires careful planning and execution, as discussed below:


  1. Site Preparation: The site needs to be prepared before installing a bus charger. This includes ensuring that there is sufficient space for the charging equipment, laying electrical conduit, and ensuring that there is adequate drainage.
  2. Electrical Upgrades: They are needed to support the increased power demands of the bus charger, which includes upgrading the electrical service, installing a new transformer, etc.
  3. Charger Installation: Installing a bus charger typically involves mounting it to a concrete pad and connecting it to the electrical service.


  1. Regular Inspections: They should be inspected regularly to ensure all components function correctly.
  2. Cleaning: Regular cleaning of the charger’s components can help to prevent dust, dirt, and debris from accumulating.
  3. Software Updates: This is a must to ensure that they function correctly and address any known issues or vulnerabilities.


Selecting a reliable and efficient bus charger is crucial for successfully operating electric buses. Suppose you have an efficient, fast-charging bus charger to recharge the batteries; this will reduce downtime and allow buses to spend more time on the road, eventually improving and enhancing the bus’s productivity and reducing operating costs. This is why Electrly is recommended. 


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