SQ-3743Potted Controllers
PWM Flat-Voltage
PWM flat-voltage IR controller — 20A charging, 60W output, 0V charging supported, no battery protection board needed, IP65 rated, ideal for low-power solar street lights.
Product Features
- Industrial-grade MCU all-digital technology — no trim resistors, strong anti-interference, no aging or drift
- IP65-rated design with aluminum housing and excellent heat dissipation, low temperature rise, reliable operation in harsh environments
- 0V battery charging supported
- Smart LED drive management with automatic light control — lights on at dusk, off at dawn
- Complete protection: overcharge, over-discharge (battery protection board not required), reverse-polarity, output short-circuit
Technical Specifications
| Electrical | Electrical | ||||
|---|---|---|---|---|---|
| Max charging current | 20A | Standby consumption | |||
| Standby consumption | 5–10µA | ||||
| Battery type | LiFePO4 | System voltage | |||
| System voltage | 3.2V | ||||
| Max PV panel power | 120W | Charging method | |||
| Charging method | PWM | ||||
| Discharge method | Flat voltage | Output voltage | |||
| Output voltage | 3.2V | ||||
| PV voltage | 6V | Max output power | |||
| Max output power | 60W | ||||
| Discharge cutoff voltage | 2.6V | Overcharge protection voltage | |||
| Overcharge protection voltage | 3.6V | ||||
| Protection & Environment | Protection & Environment | ||||
| Protection rating | IP65 | Operating temperature | |||
| Operating temperature | -40°C to 80°C | ||||
| Mechanical & Others | Mechanical & Others | ||||
| Dimensions | 67×53.5×13 mm | Weight | |||
| Weight | ≈0.16 kg | ||||
Not sure which model fits?
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