SUN Mobility
SUN Mobility is an Indian electric-vehicle energy-services company focused on battery swapping and subscription-based mobility solutions.
Last updated August 25, 2026
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Overview
SUN Mobility is an electric-vehicle energy-services company established in 2017 as a joint venture between the SUN Group and the Maini Group. Rather than focusing only on vehicle manufacturing, the company develops and operates the energy infrastructure that supports electric mobility, especially for high-utilization two-wheelers, three-wheelers and commercial vehicles. Its central proposition is battery swapping: an electric vehicle can be supplied without a permanently installed battery, while the user accesses charged batteries through a distributed network of swapping stations. The model is intended to address several barriers to electric-vehicle adoption. Separating the battery from the vehicle can reduce the initial purchase price, while subscription-based access can convert the cost of energy and battery availability into an operating expense. Swapping also reduces charging downtime, which is particularly important for delivery riders, cargo operators, shared-mobility fleets and other commercial users whose vehicles need to remain in service for much of the day. The company’s system uses modular Smart Batteries that can be exchanged in a few minutes for charged, temperature-controlled units. This approach also allows the infrastructure operator to manage charging, battery health and eventual battery replacement centrally. SUN Mobility provides two principal service concepts. Battery-as-a-Service allows vehicle users to obtain battery access through a recurring service arrangement rather than purchasing a fixed battery with the vehicle. Mobility-as-a-Service extends the proposition toward fleet and transport applications, where the company can provide an integrated energy and mobility platform. Its customers and partners include vehicle manufacturers, fleet operators, shared-mobility providers and energy-infrastructure organizations. Reported vehicle and ecosystem partners include Omega Seiki Mobility, Hero Electric and Piaggio Vehicles, while fleet relationships have included Amazon, Zomato and Swiggy. The company has also worked with organizations such as Indian Oil Corporation, Delhi Metro Rail Corporation and Tata Power Delhi Distribution Limited to expand urban battery-swapping coverage. The company was co-founded by Chetan Maini, who previously founded the Reva Electric Car Company, Uday Khemka, vice chairman of the SUN Group, and Ajay Goel, who is identified as a co-founder and executive director. Bosch invested in SUN Mobility in 2019 and became a technology partner, while Vitol invested in 2021. In 2023, SUN Mobility began international operations in the Philippines in partnership with Shell, extending the business beyond its Indian base. SUN Mobility’s product portfolio includes Smart Batteries and SwapX swapping stations. The second-generation S2.1 Smart Battery was introduced at the Delhi Auto Expo in January 2023 with greater capacity and additional safety features compared with earlier versions. SwapX, also introduced in January 2023, is a compact station designed to increase network density. It has three docks, occupies approximately 4.5 to 6 square feet and operates from a 15-amp power supply. The company has reported more than 600 swapping points across India and a strong position in electric auto-rickshaw, electric cargo-loader and swappable electric-bike applications. Its business is concentrated in the infrastructure and service layer of electric mobility, where network density, vehicle compatibility, uptime and fleet economics are central competitive factors. SUN Mobility remains an active private company, with its publicly described operations centered on India and an emerging international presence in the Philippines.
History
SUN Mobility was founded in 2017 as a joint venture between the SUN Group and the Maini Group, bringing together experience in clean energy, electric mobility and automotive technology. Its founding team included Chetan Maini, founder of the Reva Electric Car Company, Uday Khemka, vice chairman of the SUN Group, and Ajay Goel, a co-founder and executive director. The company was created around the idea that the battery could be treated as an energy-service asset rather than as a permanent component sold with every electric vehicle. This approach led SUN Mobility to concentrate on battery swapping for electric two-wheelers, three-wheelers and larger commercial vehicles. Users can operate compatible vehicles without buying a fixed battery pack and can instead access charged batteries through a network of stations. A depleted unit is exchanged for a charged, temperature-controlled battery, reducing charging-related waiting time. The model is particularly suited to commercial users, including delivery fleets, cargo operators, shared-mobility providers and electric auto-rickshaw drivers. In 2019, Bosch invested in the company and became a technology partner. The relationship connected SUN Mobility’s swapping platform with a major global automotive and industrial-technology company. In 2021, Vitol also invested in SUN Mobility. These investments supported the company’s efforts to build battery infrastructure, develop hardware and expand partnerships across the electric-mobility ecosystem. SUN Mobility’s commercial model combines Battery-as-a-Service and Mobility-as-a-Service. Battery-as-a-Service gives vehicle users access to batteries through a service arrangement, potentially lowering the upfront cost of an electric vehicle. Mobility-as-a-Service is aimed at more integrated transport and fleet use cases. The company has developed relationships with electric-vehicle manufacturers such as Omega Seiki Mobility, Hero Electric and Piaggio Vehicles, as well as fleet and delivery platforms including Amazon, Zomato and Swiggy. It has also collaborated with energy and transport infrastructure organizations, including Indian Oil Corporation, Delhi Metro Rail Corporation and Tata Power Delhi Distribution Limited. The company’s network has been described as comprising more than 600 swapping points across India. It has reported strong positions in e-autos and e-loaders, the swappable e-bike segment and e-rickshaws in northern India. These applications are important because high daily utilization makes vehicle downtime and battery economics especially significant. Network density is consequently a major part of the company’s competitive proposition. At the Delhi Auto Expo in January 2023, SUN Mobility launched the second-generation S2.1 Smart Battery. The unit was described as offering higher capacity than earlier generations together with enhanced safety features. The same event saw the introduction of SwapX, a compact swapping station with three docks. Designed for deployment in a small footprint of approximately 4.5 to 6 square feet and requiring a 15-amp power supply, SwapX was intended to make it easier to place swapping capacity in dense urban locations. SUN Mobility began international operations in 2023 through a partnership with Shell in the Philippines. This marked an extension of its business beyond India and provided an initial international market for its battery-swapping technology and services. The company remains an active private electric-mobility infrastructure business, with its public profile centered on modular battery technology, swapping networks and fleet-oriented energy services.
- 2023
S2.1 Smart Battery and SwapX launch
[1]SUN Mobility introduces its second-generation S2.1 Smart Battery and the compact SwapX station at the Delhi Auto Expo.
- 2023
International expansion to the Philippines
[1]The company begins international operations in the Philippines through a partnership with Shell.
- 2022
Anant Badjatya assumes India CEO role
[1]Anant Badjatya becomes chief executive officer of SUN Mobility’s India business in March.
- 2021
Vitol invests in the company
[1]Vitol invests in SUN Mobility as the company develops its electric-vehicle battery-swapping infrastructure.
- 2019
Bosch invests and becomes a technology partner
[1]Bosch invests in SUN Mobility and subsequently works with the company as a technology partner.
- 2017
SUN Mobility is founded
[1]SUN Mobility is established as a joint venture between the SUN Group and the Maini Group, with Chetan Maini, Uday Khemka and Ajay Goel among its co-founders.
Products and positioning
A battery-swapping and energy-services specialist for electric two-wheelers, three-wheelers and commercial fleets, positioned around lower vehicle acquisition costs, rapid energy replenishment, managed battery performance and reduced operating downtime.
Modular electric-vehicle batteries · 2017
Smart Batteries
SUN Mobility’s Smart Batteries are modular battery packs designed to be removed from compatible electric vehicles and exchanged at a swapping station. They are intended to be smaller and lighter than conventional fixed battery systems, allowing rapid replacement with a charged, temperature-controlled unit. The platform supports the company’s Battery-as-a-Service model and is used across electric two-wheelers, three-wheelers and commercial applications.
Second-generation swappable battery · 2023
S2.1 Smart Battery
The S2.1 is SUN Mobility’s second-generation Smart Battery, introduced at the Delhi Auto Expo in January 2023. It was presented as having greater capacity than earlier battery generations and enhanced safety features. The product is designed for use within SUN Mobility’s swapping network rather than as a permanently installed battery, supporting rapid energy replenishment for high-utilization electric vehicles.
Battery-swapping station · 2023
SwapX
SwapX is a compact battery-swapping station launched in January 2023. It contains three docks and is designed to occupy approximately 4.5 to 6 square feet, with operation requiring a 15-amp power supply. Its compact format is intended to support denser deployment of swapping infrastructure in urban areas and other locations where space is constrained.
Energy subscription service
Battery-as-a-Service
Battery-as-a-Service allows users to access compatible charged batteries through a service arrangement instead of purchasing and carrying the full cost of a fixed battery with the vehicle. The model can reduce initial vehicle expenditure and shifts battery charging, management and availability into SUN Mobility’s operating network.
Electric-mobility service
Mobility-as-a-Service
Mobility-as-a-Service is SUN Mobility’s broader service proposition for fleet, transport and shared-mobility applications. It combines access to electric-vehicle energy infrastructure with operational support for customers that need dependable vehicle uptime. The model is intended for commercial users such as delivery fleets, cargo operators and shared-mobility providers.
Brand decisions
2023
Launch S2.1 and SwapXProduct launchBackground
The company sought to improve battery capability and increase the density of its swapping network.
Action taken
SUN Mobility introduced the S2.1 Smart Battery and the three-dock SwapX station at the Delhi Auto Expo.
Aftermath
The launches broadened the company’s hardware portfolio with a higher-capacity battery and a compact station format for urban deployment.
2023
Expand into the PhilippinesStrategyBackground
SUN Mobility had established its principal network and customer base in India and sought international operating opportunities.
Action taken
The company began international operations in the Philippines in partnership with Shell.
Aftermath
The move created SUN Mobility’s first publicly described international operating market.
2021
Accept Vitol investmentM&ABackground
SUN Mobility was expanding its battery-swapping and electric-mobility infrastructure business.
Action taken
Vitol invested in SUN Mobility.
Aftermath
The investment supported the company’s continuing development of its energy-services platform.
2019
Accept Bosch investment and technology partnershipM&ABackground
SUN Mobility was developing battery-swapping technology and network infrastructure for electric vehicles.
Action taken
The company accepted an investment from Bosch and established Bosch as a technology partner.
Aftermath
The partnership added a major automotive and industrial-technology participant to SUN Mobility’s development ecosystem.
Recent events
Reported
SUN Mobility appoints Devender Singh Rawat as India CEO[2]
SUN Mobility said it appointed Devender Singh Rawat as its India CEO. Rawat was to be responsible for accelerating the company's business growth and expansion plans in India.
- Unconfirmed
Reported
Ape E-City battery concept developed with Sun Mobility[3]
The swappable battery concept for the Ape E-City is being brought in association with Sun Mobility.
Sources5 sources
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