DIOO — Li-ion Satellite Battery Pack
AstroBAT's Li-ion battery pack in development for low-Earth orbit spacecraft applications. ESA BIC grant awarded April 2026, project start July 2026.
In Development
DIOO — 500 Wh Li-ion Battery Pack
The DIOO battery pack is a 500 Wh Li-ion battery management system designed for low-Earth orbit spacecraft applications. Currently in active development from July 2026, supported by the European Space Agency Business Incubation Centre Slovakia (ESA BIC grant awarded April 2026).
Capacity
500 Wh
Technology
Li-ion BMS
Target Orbit
LEO 550 km
Funding
ESA BIC Slovakia
In Development TRL 2 / IRL 1
TRL 2 — Technology Concept 2/9
Invention begins. Practical applications can be envisioned.
IRL 1 — Compatibility Identified 1/9
Integration opportunity between technologies identified.
Milestones
- ESA BIC Slovakia grant awarded Apr 2026
- Project kick-off Jul 2026
- Li-ion (LG MJ1) cell selection & characterisation Q3 2026
- BMS prototype v1 — bench validation (TRL 3) Q4 2026
- Thermal-vacuum chamber testing (TRL 4) Q2 2027
- Engineering model integration Q3 2027
- Flight model qualification (TRL 6) 2028