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92 Most Innovative California Based Battery Companies & Startups

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This article showcases our top picks for the best California based Battery companies. These startups and companies are taking a variety of approaches to innovating the Battery industry, but are all exceptional companies well worth a follow.

We tried to pick companies across the size spectrum from cutting edge startups to established brands.

We selected these startups and companies for exceptional performance in one of these categories:

  • Innovation
    • Innovative ideas
    • Innovative route to market
    • Innovative product
  • Growth
    • Exceptional growth
    • Exceptional growth strategy
  • Management
  • Societal impact

Top California Battery Startups

Data sourced from Crunchbase and SemRush.

QuantumScape

QuantumScape

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QuantumScape is a renewable energy company that develops solid-state battery technology to increase the range of electric cars.

Romeo Power

Romeo Power

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Romeo Power is a battery technology company that creates energy-dense battery packs.

Romeo Power

Proterra

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Proterra develops battery-electric buses that help eliminate fossil fuel dependency and reduce costs.

Romeo Power

Nanotech Energy

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Nanotech Energy is a supplier of graphene, graphene oxide, and graphene supper batteries.

Romeo Power

Enevate

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Enevate is a rechargeable energy storage technology company delivering innovative battery capacity in Li-ion ecosystem.

Romeo Power

Natron Energy

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Natron Energy is an energy storage company that develops a high power, long cycle life, and low-cost battery technology.

Romeo Power

Amprius

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Amprius develops an anode out of silicon nanowires for lithium-ion batteries.

Romeo Power

Ensurge Micropower

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Solid-state microbatteries for wearables and connected sensors

Romeo Power

Farasis Energy

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Farasis Energy is a renewable energy company that develops and manufactures lithium ion battery energy storage systems.

Romeo Power

Voltaiq

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Voltaiq develops a software solution that is able to predict the performance of batteries and battery-powered systems.

Romeo Power

POWER.GLOBAL

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POWER.GLOBAL is bringing affordable clean energy electric vehicle technology to low income markets

Romeo Power

SF Motors

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SF Motors develops autonomous electric vehicle technologies.

Romeo Power

Auto Motive Power

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Auto Motive Power is an energy management company that specializes in charging and battery management systems (BMS).

Romeo Power

NDB

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NDB is a Silicon Valley-based nanotechnology company established for the development of battery solutions, and energy propulsion systems.

Romeo Power

ZPower

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ZPower is a developer of rechargeable, silver-zinc batteries for microbattery applications.

Romeo Power

Gridtential Energy

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Gridtential Energy develops an Absorbent Glass Mat battery that offers a lower-cost, safer, greener alternative to traditional lithium-ion.

Romeo Power

GainSpan

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GainSpan designs ultra low-power Wi-Fi modules for battery-powered, embedded WiFi applications.

Romeo Power

Octillion Power Systems

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Octillion Power Systems is a provider of advanced lithium-ion batteries for industrial and vehicle applications.

Romeo Power

Qnovo

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Battery performance improvement software

Romeo Power

Flux Power

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Flux Power designs, manufactures, supplies, and supports lithium battery packs for industrial and material handling equipment industries.

Romeo Power

Omnicharge

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Omnicharge is the only AC/DC battery that can quick charge any device via 3-pronged plug and usb.

Romeo Power

Ampcera Inc.

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An innovator and market leader in the development and commercialization of solid-state electrolyte and battery technologies.

Romeo Power

Zelos Energy

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Zelos builds a generation of green batteries to address safety and environmental issues.

Romeo Power

Lightning Motorcycle

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Lightning Motorcycles is devoted to utilizing cutting-edge electric technologies to create the fastest electric motorcycles in the world.

Romeo Power

YouSolar

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YouSolar is a rooftop solar+battery systems are an answer to one of biggest problems : Energy.

Romeo Power

RePurpose Energy

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RePurpose Energy gives electric vehicle batteries a “second life” in lower-cost, more sustainable solar energy storage systems

Romeo Power

Primus Power

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Primus Power manufactures big batteries for the Smart Grid and scalable energy storage in a Zinc Bromine flow battery.

Romeo Power

Leyden Energy

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Leyden Energy manufactures advanced lithium-ion batteries for the consumer electronics, energy storage, and electric vehicle markets.

Romeo Power

EnZinc Inc

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Advanced Battery Developer

Romeo Power

Zeptor

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Zeptor develops an innovative silicon anode that enables battery makers to produce lithium-ion batteries that exceed 700Wh/L.

Romeo Power

Coda Automotive

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CODA Automotive designs and semi manufactures lithium-iron phosphate battery systems for automotive and power storage utility applications.

Romeo Power

Front Edge Technology

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The World’s Thinnest Rechargeable Battery.

Romeo Power

Blue Power Systems

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Adaptive Energy Generation and Storage System

Romeo Power

Ambient Control Systems

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Ambient Control Systems develops battery-free energy collection storage and management systems used in remote outdoor environments.

Romeo Power

Batteroo

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Batteroo is a thin sleeve that extends battery life significantly when placed over your battery

Romeo Power

Cuberg

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Cuberg is a company delivering lithium metal cells produced on existing lithium-ion manufacturing lines for electromobility solutions.

Romeo Power

Solaris Power Cells

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Solaris Power Cells specializes in the fields of energy, manufacturing, and solar energy.

Romeo Power

mophie

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mophie is a California-based technology company that manufactures accessories for smartphones and other mobile devices

Romeo Power

Caban Systems

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Caban Systems designs a software enabled energy storage solution for telecom infrastructure providers worldwide.

Romeo Power

HP Tech Ventures

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HP Tech Ventures is helping to foster an ecosystem of innovation and reinvention.

Romeo Power

raboo Technologies Inc

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raboo Technologies Inc is a developer of smart charging technology.

Romeo Power

Zitara

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Zitara builds battery management software for enterprises with large deployments.

Romeo Power

Lumio

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Lumio is a modern lamp that unfolds from a book and can be transformed into many shapes.

Romeo Power

ReJoule

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ReJoule proprietary hardware and algorithms enables unprecedented insights into large-format batteries at every stage in their life cycle

Romeo Power

Element Energy

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Element Energy is a startup with technology that significantly improves the performance, reliability and cost of large battery packs.

Romeo Power

Trojan Battery

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Trojan Battery Companyoffers quality deep-cycle flooded, AGM, and gel batteries.

Romeo Power

Coolstar

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A fabless semiconductor company developing disruptive energy efficient technologies based on proprietary silicon power transistors.

Romeo Power

Millibatt

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Millibatt sells small, inexpensive custom batteries to consumer electronic manufacturers.

Romeo Power

OneCharge

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Leading USA manufacturer of industrial Lithium batteries

Romeo Power

Gotion

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Gotion focuses on research and development in battery management systems, powertrain control systems and vehicle control systems.

Romeo Power

RAVPower

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RAVPower is a manufacturer of laptop and cell phone batteries.

Romeo Power

South 8 Technologies

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South 8 Technologies develops liquefied gas electrolyte chemistry for rechargeable lithium metal batteries and electrochemical capacitors.

Romeo Power

TeraWatt Technology

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We engineer ultra-high energy density lithium-ion rechargeable batteries

Romeo Power

Stafl Systems

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Stafl Systems provides battery management systems and telematics solutions for electric and hybrid electric vehicles.

Romeo Power

Pathion

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Pathion provides battery resources, technology, and products company.

Romeo Power

Totex Manufacturing

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Totex Manufacturing has designed and manufactured nothing but battery packs and charger.

Romeo Power

Coolbox

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Coolbox is the world’s first smart toolbox, integrating functions, features and technology never before offered in a carrying case product.

Romeo Power

World Energy Labs

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World Energy Labs manufactures battery test equipment for the energy storage, electrochemical test, and measurement markets.

Romeo Power

Wasabi Power

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Wasabi Power deals with camera battery, charging kits and accessories.

Romeo Power

Liox Power

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Liox is an R&D company focused on next-generation energy storage for the electric vehicle, space, and defense applications.

Romeo Power

Greentec Auto

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Greentec Auto recycles and re-manufactures high voltage batteries for hybrid vehicles.

Romeo Power

Suncore

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SunCore produces a solar-powered, intelligent battery system for charging mobile communication devices.

Romeo Power

B2U Storage Solutions

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B2U Storage Solutions manufactures battery energy storage systems and supplies stored electricity to power sectors.

Romeo Power

CODA Energy

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CODA Energy designs and builds scalable energy storage solutions that support a smarter, cleaner and more reliable grid.

Romeo Power

Energport

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Energport specializes in energy storage solutions and offers electrical storage devices for commercial, industrial and personal usage.

Romeo Power

Tinder Customer Support

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Electrification solutions for Emergency Services vehicles

Romeo Power

Ensor

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Ensor develops silicon quantum dot based anode material for lithium ion batteries.

Romeo Power

Expocell

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Expocell manufactures alkaline, rechargeable, and lithium batteries for electronics, medical, telecommunication, and other OEMs industries.

Romeo Power

Charge Bliss

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Charge Bliss was organized in 2011 to combine intelligent technologies for building energy management with electric vehicle charging.

Romeo Power

Thinfilm

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Thinfilm specializes in energy storage solutions for wearable devices and connected sensors.

Romeo Power

Lithium Air Industries

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Lithium Air Industries develops and produces the state-of-the-art Lithium Air Rechargeable Battery Systems.

Romeo Power

Bell Resources (US)

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Bell Resources is a new age energy technology company focused on supplying energy & resources to the Electric Vehicle (EV) markets globally.

Romeo Power

IPS

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IPS is the original exhibit supplier, offering a complete portfolio of crown forklift batteries, chargers and parts to its clientele.

Romeo Power

Gigawatt Inc

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Gigawatt Inc. is a green energy corporation focused on the development, distribution, and installation of solar energy products.

Romeo Power

JC Battery

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JC Battery manufactures, procures and fulfills laptop batteries and adaptors using Japanese and Korean cells as well as quality components.

Romeo Power

Custom Power

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Custom Power is a designer and manufacturer of customized power solutions for mission-critical and safety-sensitive applications.

Romeo Power

Forme Solar

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Providing solar energy and battery backup services for homeowners and commercial businesses as an established solar energy broker.

Romeo Power

Universal Waste Disposal

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Universal Waste Disposal is an environmental consulting that delivers electrical recycling and waste disposal services.

Romeo Power

AeroVironment – Efficient Energy Systems

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AeroVironment – Efficient Energy Systems.

Romeo Power

Maruson Technology

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Maruson Technology is a web store that supplies electronics like UPS, converters, batteries and network management cards.

Romeo Power

Sharpell Technologies

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Sharpell Technologies is a clean energy company creating a versatile, IoT enabled, plug-and-play battery pack for homes of all sizes.

Romeo Power

BatteryBox

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BatteryBox is a portable external power source for all devices.

Romeo Power

Idx System Technology

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IDX is a premier manufacturer and supplier of Lithium Ion battery/power systems.

Romeo Power

eBattery

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e-Battery is a combination of ultra capacitor bank and power electronic converters.

Romeo Power

Stratumgen

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Renewable, Clean, Battery, Generation, Energy

Romeo Power

SeaWave Battery

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SeaWave Battery revolutionizes battery technology, delivering both high power density and high energy density.

Romeo Power

Meta Solar

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Solar Energy Contractors

Romeo Power

EV West

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EV West offers electric car parts, components, conversion kits, and charging station solutions.

Romeo Power

PlugVolt

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PlugVolt is an educational event and seminar company for battery and alternative energy storage technologies.

Romeo Power

EC Supply

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EC Supply is an online store that supplies vape products, e-liquids, tanks, coils, rebuildable atomizers and other accessories.

Romeo Power

Wholesale Equipment

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Wholesale Equipment offers forklift sales, rentals and maintenance, yard ramps, conveyors, industrial batteries and tire pressing services.

Romeo Power

Ambient Photonics

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Ambient Photonics is a developer of solar cells to harvest ambient light in the indoor environment.

Written by Mark Smith

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