01
DC stacked PV
Series module architecture with MPPT precision regulation to −48 V DC, matching existing telecom DC busbars.
Base Station Stacked PV System
Huijue’s base-station stacked PV system is built for PV capacity upgrades at telecom sites. An in-house stacked-PV MPPT controller regulates DC to the site −48 V bus, adding PV as supplemental power to cut grid use—ideal for lightweight energy-saving retrofits.
Solution Positioning
This lightweight PV capacity-upgrade package for base stations centers on DC stacked-PV series technology. PV modules, a stacked-PV MPPT controller, and a DC meter form a complete system that steps PV voltage down to standard −48 V DC without major rewiring. Controllers support wall-mount, pole-mount, and rack install in outdoor and rack-mount variants—quickly adding clean energy to existing sites for self-consumption and carbon reduction.
02
Multiple install options
Rack and outdoor wall-mount controllers support pole, tower, and cabinet mounting for flexible site fit.
03
Capacity expansion and savings
On-site PV self-consumption feeds loads first, sharply cutting grid draw and long-term electricity cost.
04
Simple retrofit
Lightweight modular hardware installs without major outages; short schedule and compatible with standard telecom DC power systems.
Applicable Site Types: Urban macro base stations / Mountain pole-mounted 5G micro sites / Existing high grid-consumption base stations / Tower-integrated compact base stations
System Operation Logic
Multiple PV strings combine into a hybrid MPPT controller that feeds DC loads first and tops up the supporting battery bank.
Grid AC is converted via AC distribution and a power cabinet into standard DC as a backup supply path for continuous load power.
The system automatically coordinates PV and grid sources to maximize PV use and reduce grid electricity.
When irradiance is low, storage discharges to fill the gap and prevent telecom load outages.
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