SQ-MPPT-4976-50WOpen-Frame MPPT Controllers
Open-Frame MPPT Controllers
MPPT boost dual-color IR controller — 20A charging, up to 50W LED drive, polarity-free W/Y wires for two-color light sources, suits 80W PV panels for solar street lights.
Product Features
- Dual-color light output — W and Y wires for two-color light sources, polarity-free wiring
- Designed for single-cell LiFePO4 — cells in parallel, no battery protection board needed, simple PACK, high capacity utilization, lower cost
- MPPT tracking efficiency ≥99.9%, system efficiency up to 95%, charging conversion up to 95.37%
- Smart charging: MPPT with CC/CV trickle charge and shallow-discharge energy management for longer battery life
- Automatic light control with 8-segment dimming — independent power per time segment
- IR communication with fully programmable discharge curves via engineering remote
- IP65 rated, industrial-grade MCU all-digital technology — strong anti-interference, no aging or drift
Technical Specifications
| Electrical | Electrical | ||||
|---|---|---|---|---|---|
| Max charging current | 20A | Battery type | |||
| Battery type | LiFePO4 (single-cell) | ||||
| System voltage | 3.2V (2.6–3.6V) | Max PV panel power | |||
| Max PV panel power | 80W | ||||
| Charging voltage range | 9–18–25V | Startup voltage | |||
| Startup voltage | 4–7V | ||||
| LED drive current | 1.7A | LED drive voltage range | |||
| LED drive voltage range | 9–30V | ||||
| Max LED drive power | 50W | ||||
| Protection & Environment | Protection & Environment | ||||
| Protection rating | IP65 | ||||
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