A123 Systems

EV Focus

Wixom, MI, USA ○ECFR AEst. 20011001-5000 employees$100M-$500M revenue

About

A123 Systems is an American lithium iron phosphate (LFP) battery manufacturer headquartered in Wixom, Michigan, owned by Chinese conglomerate Wanxiang Group since 2013. A123 produces high-power LFP prismatic cells, cylindrical cells, and modules for automotive 48V mild-hybrid systems, motorsport, and commercial vehicle electrification. The company's Nanophosphate LFP chemistry offers superior thermal stability and cycle life compared to NMC alternatives.

Capabilities

Manufacturing Processes

Battery Cell ManufacturingElectrode CoatingCell AssemblyModule AssemblyFormation & Aging

Materials

Electronics

Product Categories

PowertrainElectrical & Electronics

Key Technologies

Nanophosphate LFP prismatic cellsHigh-power 26650 cylindrical LFP cells48V mild-hybrid battery modulesMotorsport battery systemsStationary storage systems

OEM Customers

BMWGMFiskerCommercial vehicle OEMs

Recent News

A123 Systems introduced a next-generation Nanophosphate high-power cylindrical cell targeting performance hybrid supercar applications, delivering 4,000W/kg power density with industry-leading cycle life.

A123 Systems Wins 48V Mild Hybrid Battery Module Program with European Tier 12025-05

A123 Systems was awarded a 48V LFP mild hybrid battery module program with a European Tier 1 supplier, with production starting in 2026 and targeting stop-start and torque assist applications.

A123 Systems Expands Michigan Manufacturing for Automotive Grid-Scale Storage2025-02

A123 Systems invested in expanded Lithium Iron Phosphate production at its Michigan facility, targeting both automotive 12V/48V applications and the growing grid-scale energy storage market.

Profile

Tier

Tier 1Tier 2

Certifications

IATF 16949ISO 9001UL 1973UN 38.3

Data confidence76%

Sources

https://www.a123systems.com

public records

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