Modular architecture
All-in-one, plug & play — expand whenever you need to.
SunJunior is a hybrid energy and storage solution. Silent, compact, built for continuous power. Working with grid, solar, or both, it scales from tiny houses to gas stations to fit your real load profile.
Power outages, rising bills, and wasted solar energy — homes and small businesses face real energy challenges every day. SunJunior solves them quietly, in the background.
A next-generation energy solution that stores and manages your power. Integrated architecture, silent compact design, plug-and-play installation — a clean-energy approach with full standards compliance.
All-in-one, plug & play — expand whenever you need to.
Works with grid, solar or both. Hybrid-ready from day one.
No interruption felt during grid failures — instant continuity.
No noise, no fumes — runs invisibly in the background.
Takes very little space — wall-mount or floor-position.
Zero recurring costs. Once installed, just runs.
No emissions on-site, full alignment with sustainability targets.
6,000+ cycle service life.
Full CE compliance, IP54 rated, vandalism certified.
Side-by-side, on the dimensions that matter for real operations.
Four configurations, one engineering approach. All units use safe LiFePO₄ chemistry with BMS protection.
Homes and small businesses.
Single-phase · Indoor
Small offices, shops, clinics.
Three-phase · Indoor
Mid-size businesses.
Three-phase · Indoor
6×
Large operations, schools, stations.
Three-phase · Outdoor reinforced
We've already done the math for the most common environments. Pick the one closest to yours — we'll fine-tune from there.
Real-time monitoring through the SunJunior mobile app — see your energy flow at a glance.
Solar → inverter → grid / battery / home, in one visual.
Instant percentage and remaining capacity.
Solar generation, grid draw, home usage in kW.
Daily, monthly, yearly trends — at any resolution you need.
Tell us about your site — peak load, daily kWh, location. We'll come back with a sized recommendation and a free survey slot.