This document describes the features and characteristics of the CIS high protection level multifunctional solar controller, including dust and waterproof epoxy resin filled PCB board, durable aluminum housing, and easy-to-use infrared remote control.
The CIS series solar controller from Phocos is designed for small off‑grid solar systems and meets industrial‑grade standards. It offers multiple load control modes, two‑stage battery charging, and optional external temperature compensation.
Key specifications include a rated voltage of 12/24 V, maximum charge/discharge current of 5 A, IP68 protection, operation from –40 °C to +60 °C, and support for solar panel voltages up to 55 V. The unit is compact (82 × 58 × 20 mm) and lightweight (≈150 g). This manual is written in Chinese.
| Maximum Charge/Discharge Current | 5 A |
|---|---|
| Float Voltage | 13.8 V (25 °C) |
| Low‑Voltage Protection | 11.00‑12.02 V / 22.00‑24.04 V |
| Temperature Compensation Coefficient | -4.2 mV/A·K per cell |
| Maximum Solar Panel Voltage | 55 V |
| IP Protection Rating | IP68 |
| Operating Temperature Range | -40 °C to +60 °C |
| Maximum Altitude | 4000 m |
| Dimensions | 82 × 58 × 20 mm |
| Weight | ≈150 g |
| Cable Length | 10 cm |
The controller is rated IP68, providing dust‑tight and water‑resistant protection.
Bulk voltage is 14.47 V (12 V system) or 28.8 V (24 V system), absorption voltage is 14.8 V / 29.6 V, and float voltage is 13.8 V.
The maximum charge and discharge current is 5 A.
It operates from –40 °C up to +60 °C.