ENGINEERING & MISSION SUPPORT

Technical Resources

Qualification reports, performance data, and heritage documentation for GS Yuasa space batteries — MA12x, LSE12x, and large-format cells.

Technical content and downloads are intended for U.S. persons and entities eligible to receive export-controlled data under ITAR and EAR. NDAs and handling procedures available upon request.
SMALLSAT & CONSTELLATION

MA12x Platform

MA12x Qualification Test Results (PDF)
SINV26-359 • Full environmental and electrical qualification report for the MA12x modular platform (8s9p configuration and family).
DOWNLOAD PDF →
LSE12x Cell Technical Specification Sheet (PDF)
Rev 4 • Key electrical, mechanical, and environmental specifications for the power-optimized 12 Ah LSE12x cell.
DOWNLOAD PDF →
LARGE SPACECRAFT & HERITAGE

Heritage & Large-Format Documentation

Large-Format LSE Cells

Qualification data, long-life cycle reports, and GEO/MEO performance for the LSE family (LSE110, LSE112, LSE134, LSE145, LSE190, etc.).

Full large-format qualification and cycle life packages available upon request.
TECHNICAL PAPERS & PRESENTATIONS

Technical Presentations & Papers

Selected conference papers and technical summaries from GS Yuasa engineers. These complement the core qualification reports and performance data above.

Featured Papers
MA12x Battery Qualification Summary SPW 2025
Qualification results and platform overview for the MA12x-0809 modular battery system presented at Space Power Workshop 2025.
DOWNLOAD PDF • 5.9 MB
LSE12x Performance & Life Modeling SPW 2024
Detailed performance curves, life modeling methodology, and right-sizing capabilities for the LSE12x cell family.
DOWNLOAD PDF • 4.2 MB
LSE12x Cell & Battery Update NBW 2023
Recent development, testing, and application updates for the LSE12x platform on smallsat and constellation programs.
DOWNLOAD PDF • 4.0 MB
Gen 4 Li-ion Chemistry for Space SPW 2023
Comprehensive review of Generation 4 lithium-ion chemistry performance, life characteristics, and space application heritage.
DOWNLOAD PDF • 4.0 MB
LSE12x Cell Qualification SPW 2022
Qualification approach, test results, and performance validation for the LSE12x 12 Ah power-optimized space cell.
DOWNLOAD PDF • 4.6 MB
Additional Papers

Chronological Archive

Newest first
Development of Lithium-ion Cells for Lunar Exploration Programs 2024
PDF 816 KB →
Qualification & Performance of Gen 4 Li-ion Cells for Space 2021
PDF 2.9 MB →
Gen 3 Performance Review & Gen 4 Introduction 2019
PDF 3.1 MB →
Cell Performance Model Validation 2018
PDF 1.8 MB →
Gen 3 Space Cells Lot-to-Lot Performance Review 2017
PDF 1.8 MB →
Lot-to-Lot Performance & Configuration Management 2016
PDF 3.0 MB →
Life and Thermal Modeling Status 2014
PDF 5.4 MB →
Large Format Li-ion Cells Qualification for Space 2011
PDF 5.3 MB →
Looking for additional data, cycle life reports, or mission-specific modeling? Contact our power systems engineers using the form below.
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