1. Product introduction
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1.1 Product overview
The Shiner series controller adopts the industry-leading MPPT to achieve the maximum energy tracking
for the solar panel, that is, it can quickly and accurately track the maximum power point of the solar battery
on any condition, and obtain the maximum energy of the solar panel in real time, significantly improving
the energy utilization rate of the solar system. It is widely used as the core control component in the
off-grid PV systems to manage the work of solar panels, batteries, and loads. Besides, it has complete
software and hardware fault detection and protection functions to avoid damage to product components
caused by installation errors and system faults to the greatest extent.
The Maximum PowerPoint Tracking (MPPT) system is an advanced charging technology with more
energy output from the solar batteries by adjusting the operating state of the electrical modules. Due to
nonlinearity of the solar battery array, there is a maximum power point on its curve. The PWM charging
technology used in the traditional controller cannot charge the battery continuously at the point, so it
cannot obtain the maximum energy of the solar panel. Instead, the solar controller with MPPT can
always track the maximum power point of the array, so as to charge the battery with maximum energy.
For example, for the 12V solar system, since the peak-to-peak voltage (Vpp) of the solar battery is about
17V, but the battery voltage is about 12V, therefore, when the common charge controller is charging the
battery, the voltage of the solar battery is about 12V, that is, the solar battery does not fully exert its
1.2 Product features
S/N
Name
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LCD
2
Button
3
Solar panel positive interface
4
Solar panel negative interface
5
Battery negative interface
6
Load negative interface
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S/N
Name
Battery positive interface
Load positive interface
TTL communication interface
Temperature sensor interface
RS485/CAN communication interface
1.3 Appearance and interface description
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2. Introduction of Maximum Power Point Tracking
Adopt MPPT with tracking efficiency up to 99.9%.
Support full-power charging and discharging at one time.
Support multiple battery types such as sealed battery, gel battery, flooded battery, lithium battery and
user-defined battery.
Support lithium battery and lead-acid activated battery.
Support the charging current setting.
Support full-charging setting.
Support temperature compensation.
Support 17 load operating modes.
Support capacitive loads and inductive loads.
Save historical data for 300 consecutive days.
Support RS485 communication of standard Modbus protocol with adjustable baud rate.
Support TTL communication of standard Modbus protocol with fixed baud rate.
Support Bluetooth communication (optional).
Support CAN communication (optional).
Possess complete charging and discharging protection mechanisms for overvoltage, overcurrent,
overload, over-temperature, short circuit, etc.
Adopt high-quality aluminum radiator and high-temperature derating treatment to ensure reliable and
efficient operation in various operating conditions.
maximum power.
