5V Solar Power Management Module 3.7V Lithium Battery Charging Module JEITA Standard

Solar Energy Manager C

5V Solar Power Management Module3.7V Lithium BatteryCharging Module JEITA Standard

Product Overview

Solar Energy Manager C is a solar power management module. It supports solar panels with a voltage range of 4.5V to 6V (5V recommended) and a power of less than 10W, as well as USB ports, for charging 3.7V 18650 lithium-ion batteries. It also provides regulated output voltages of 5V and 3.3V.The module features battery temperature monitoring function compliant with JEITA standards and battery charge-discharge protection function. The charge-discharge protection circuit can monitor the battery voltage in real-time to prevent overcharging and over-discharging of the battery, thus protecting the battery and extending its service life. Due to its excellent stability and efficient charge-discharge management, it can be used in solar power generation, low-power IoT, environmental monitoring, mobile power supplies and other green environmental protection projects.

Features

• Features battery temperature monitoring function compliant with JEITA standards
• Supports charging through solar panels, power adapters, and USB
• On-board indicators for charge-discharge status and battery voltage, used to monitor the battery's charge-discharge state and voltage condition
• Equipped with multiple battery connection ports, facilitating the connection of 3.7V NTC lithium batteries or ordinary lithium batteries
• A set of functional pins (with un-soldered pin headers) are led out, making it convenient for other systems to monitor the charge-discharge status and control the power output
• Overcharge, over-discharge, reverse polarity, and overcurrent protection circuits ensure safe and stable operation.

Specifications

Resource Overview

① DC-044 solar charging jack: A 5V solar panel or adapter can be connected through this power jack;

② 3.5mm solar charging terminal: A 5V solar panel or adapter can be connected through this terminal;

③ USB C charging port: The battery is charged through this USB connector (if a solar panel is connected at the same time, the charging from the solar panel will be disconnected);

④ Power output pin header (2.54mm pitch): It can provide 5V and 3.3V outputs externally, and together with the USB A connector, they can provide a maximum power of 5W externally.

⑤ USB A output port: It can output a maximum power of 5V/1A through this port (together with the power output pin header);

⑥ Battery voltage indicator;

⑦ Pins for battery charge-discharge status, battery level, and power output control are led out (pin headers are un-soldered), including GND, charging status pins CHRG and DONE, battery voltage (already through resistor voltage division), 5V output enable, 3.3V output enable;

⑧ NTC function setting jumper cap: Short circuit indicates disabling the NTC detection function, and open circuit indicates enabling the NTC detection function, in which case the connected battery is required to have an NTC resistor.Battery Charge/Discharge Status and Voltage Pins (header not soldered).

⑨ Status indicators: CHRG->Battery is charging, DONE->Battery is fully charged, SAlarm->Solar panel input reversed, BAlarm->Battery connection polarity reversed;

⑩ PH2.0 battery connector without NTC: When connecting the battery here, please short-circuit NTC_DIS (⑧ in Figure 4-1);

⑪ 3.5mm battery terminal: When it is necessary to connect a battery with an NTC resistor, please connect the NTC pin to the middle NTC pin and open the NTC_DIS pin header. If the battery does not have the NTC function, just connect the battery with correct polarity and short-circuit NTC_DIS;

⑫ Power switch;

⑬ PH2.0 battery input connector with NTC;

Product Size

Wiki

https://seengreat.com/wiki/185/

Package Contents

① Solar Energy Manager C x1

② 2 battery boxes x1

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