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Ample

Ample is a San Francisco-based electric-vehicle technology company developing modular batteries and automated battery-swapping stations.

Last updated August 31, 2026

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Overview

Ample is a privately held electric-vehicle technology company based in San Francisco. Founded in 2014, it develops a battery-swapping system intended to reduce the time electric vehicles spend charging and to make electrification more practical for vehicles whose operators need rapid turnaround. Rather than relying exclusively on fixed charging equipment, Ample uses modular battery packs that can be removed from a vehicle and exchanged at a dedicated station. The company’s operating model is built around drive-in swapping stations. A compatible vehicle enters a station, where equipment beneath the vehicle removes depleted battery modules and installs charged replacements. The process is designed to provide an alternative to conventional plug-in charging, particularly for commercial fleets and other vehicles with demanding utilization schedules. Ample has operated stations in the San Francisco Bay Area and has demonstrated the system with vehicles including the Mitsubishi Fuso Canter electric truck. A central element of Ample’s approach is that its battery modules are intended to fit beneath different vehicle types without requiring every participating manufacturer to engineer an entirely bespoke vehicle platform around a proprietary exchange system. This modular concept distinguishes the company from approaches in which a vehicle’s battery is permanently integrated into the chassis. It also seeks to address one of the principal challenges of battery swapping: achieving enough compatibility across different models for a station network to be economically useful. Ample has worked with automotive manufacturers and mobility companies to adapt its technology to different vehicles. Publicly referenced collaborators include Fisker and Stellantis, with the work focused on enabling vehicles to use replaceable batteries and offering battery-swapping capability as an option on suitable vehicle types. The company’s strategy therefore combines hardware, battery design, station infrastructure, and partnerships with vehicle manufacturers rather than treating swapping as a standalone charging service. In 2021, Ample announced a Series C financing round of $160 million. The funding supported the company’s development and deployment of its swapping technology, although publicly available reference material does not establish a complete breakdown of the financing or the company’s later financial performance. Ample’s concept is sometimes compared with Better Place, an earlier battery-swapping venture that failed commercially. Ample’s modular-battery and manufacturer-partnership model represents an effort to address compatibility and infrastructure limitations associated with earlier attempts. Publicly available information remains limited regarding Ample’s complete ownership structure, executive roster, revenue, valuation, international operations, and current scale of deployment. The company is best characterized as an active private automotive-technology venture whose principal offering is an automated battery-swapping ecosystem for electric vehicles.

History

Ample was founded in 2014 in San Francisco as an electric-vehicle technology venture focused on battery swapping. Its premise was that electric vehicles could be refueled more rapidly if depleted batteries were exchanged mechanically rather than recharged inside the vehicle. The idea had previously attracted attention through companies such as Better Place, but earlier battery-swapping efforts encountered difficulties involving vehicle compatibility, station economics, infrastructure scale, and coordination with automakers. Ample developed a different approach centered on modular battery packs. Instead of requiring every vehicle manufacturer to build a vehicle around one large, proprietary battery enclosure, the company’s system uses replaceable modules installed beneath the vehicle. The design is intended to allow compatible vehicles from different manufacturers or vehicle categories to use a common swapping network while retaining the ability to adapt the battery arrangement to individual platforms. The company’s infrastructure consists of drive-in stations equipped to identify and remove depleted modules and install charged ones. Its stations have operated in the San Francisco Bay Area, providing a localized environment in which the technology could be tested with real vehicles and operating routines. Public reference material identifies the Mitsubishi Fuso Canter electric truck among the vehicles served or demonstrated through the system. The use of a commercial truck is significant to the company’s stated application because fleet vehicles can place a premium on uptime and may be less able to remain parked for lengthy charging sessions. Ample has also pursued relationships with vehicle manufacturers. Publicly referenced work with Fisker and Stellantis involved adapting vehicles to use the company’s technology and exploring the possibility of vehicles being offered with replaceable batteries. These relationships reflect the importance of vehicle integration to battery swapping: a station network cannot operate effectively unless participating vehicles provide suitable access, electrical interfaces, safety systems, and software coordination. In 2021, Ample raised $160 million in Series C funding. The financing marked a significant expansion of external backing for its effort to develop battery modules and station infrastructure, although the available reference material does not provide a full account of investors, valuation, deployment targets, or subsequent financial results. Ample’s model continues to be discussed in the context of the broader debate over electric-vehicle charging. Battery swapping can potentially shorten vehicle downtime and allow batteries to be charged separately from the vehicle, but it requires standardized or adaptable battery formats, substantial station investment, inventory of charged packs, safety controls, and sufficient vehicle density. Public information available for this dossier does not establish the company’s current number of stations, production volumes, revenue, executive leadership, ownership details, or geographic footprint beyond its San Francisco base and Bay Area operations. Its documented identity is that of a private company developing modular batteries and automated swapping infrastructure for electric vehicles.

  • 2021

    Series C financing

    [1]

    Ample raised $160 million in Series C funding to support development of its modular battery and swapping-station business.

  • 2014

    Ample is founded

    [1]

    Ample was established as a San Francisco-based company focused on electric-vehicle battery-swapping technology.

  • Bay Area station operations

    [1]

    The company operated drive-in stations in the San Francisco Bay Area that robotically exchanged electric-vehicle battery modules.

  • Automotive integration work

    [1]

    Ample worked with Fisker and Stellantis on adapting vehicles for replaceable batteries and battery-swapping use cases.

Products and positioning

Ample positions itself as an electric-vehicle infrastructure and battery-technology company offering rapid, automated battery replacement as an alternative or complement to conventional plug-in charging. Its differentiation is the use of modular batteries intended to support multiple vehicle types and reduce the need for manufacturers to design vehicles around one fixed swapping format.

  • Electric-vehicle battery system

    Ample modular batteries

    Ample develops modular battery packs designed to replace a vehicle’s original battery configuration and to be exchanged at an Ample station. The modular architecture is intended to let compatible vehicles use replaceable battery units without requiring all manufacturers to engineer their platforms around one identical battery enclosure. The packs form the energy-storage component of the company’s broader swapping ecosystem and are intended for adaptation across different vehicle types.

  • Electric-vehicle infrastructure

    Ample automated swapping stations

    Ample’s swapping stations are drive-in facilities designed to remove depleted battery modules from a compatible electric vehicle and install charged modules using automated equipment. The stations are intended to reduce vehicle downtime compared with waiting for a conventional recharge. Publicly described operations have taken place in the San Francisco Bay Area, and the system has been associated with vehicles including the Mitsubishi Fuso Canter electric truck.

Brand decisions

  • 2021

    Raise Series C financingOther

    Background

    Ample was developing modular batteries and automated swapping stations and required capital to expand its technology and infrastructure efforts.

    Action taken

    The company raised $160 million in a Series C financing round.

    Aftermath

    The financing provided additional support for Ample’s battery-swapping development and deployment activities. Public reference material does not specify the full investor group, valuation, or later financial results.

    Series C financing. $160 million raised (2021)

  • Adopt a modular, manufacturer-flexible swapping modelStrategy

    Background

    Earlier battery-swapping concepts faced compatibility and vehicle-integration challenges, while automakers commonly designed vehicles around their own battery architectures.

    Action taken

    Ample developed standardized or modular swappable batteries intended to fit beneath compatible vehicles without requiring every manufacturer to engineer vehicles around one fixed battery format.

    Aftermath

    The approach supported the company’s work with Fisker and Stellantis and its efforts to adapt battery swapping to multiple vehicle types.

Recent events

  • 2021

    Ample raises $160 million in Series C financing[1]

    Other

    Ample raised $160 million in a Series C funding round as it continued developing modular electric-vehicle batteries and automated swapping stations.

  • Ample develops automated battery-swapping stations in the San Francisco Bay Area[1]

    Product launch · Other

    The company operated drive-in stations that robotically exchange depleted vehicle battery modules for charged ones, including demonstrations involving the Mitsubishi Fuso Canter electric truck.

  • Ample works with Fisker and Stellantis on battery-swapping compatibility[1]

    Other

    Ample worked with automotive manufacturers to adapt its battery-swapping technology to different vehicle types and to support vehicles that could be equipped with replaceable batteries.

Sources1 sources

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