Difference between revisions of "Solar Power Manager (B)"
Line 104: | Line 104: | ||
Solar panel charge efficiency | Solar panel charge efficiency | ||
| colspan="2" | | | colspan="2" | | ||
− | + | About 78% | |
|- | |- | ||
! | ! | ||
USB charge efficiency | USB charge efficiency | ||
| | | | ||
− | + | About 82% | |
| | | | ||
− | + | About 93% | |
|- | |- | ||
! | ! | ||
3.7V battery boost output efficiency | 3.7V battery boost output efficiency | ||
| | | | ||
− | + | About 86% | |
| | | | ||
− | + | About 92% | |
|- | |- | ||
! | ! |
Revision as of 07:24, 10 May 2021
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Introduction
This solar power management module is designed for 6V~24V solar panel. It can charge the 3.7V rechargeable Li-battery through the solar panel or USB connection and provides 5V/1A regulated output.
The module features MPPT (Maximum Power Point Tracking) function and multi-protection circuits, therefore, it is able to keep working with high efficiency, stability, and safety. It is suited for solar-powered, low-power IoT, and other environmental protection projects.
CAUTION: DO NOT put any non-rechargeable battery, like dry cell, into the battery holder. Serious consequences including explosion may occur if you try to charge a non-rechargeable battery.
Features
- Supports MPPT (Maximum Power Point Tracking) function, maximizing the efficiency of the solar panel
- Supports solar panel / USB connection battery charging
- For 6V~24V solar panel, DC-002 jack input or screw terminal input
- Onboard MPPT SET switch, select the level closed to input level to improve charging efficiency
- Two 5V output interfaces: pin headers and USB port
- Onboard high capacity aluminum electrolytic capacitor and SMD ceramic capacitor, reducing the ripple, stable performance
- 14500 battery holder and PH2.0 battery connector, for connecting multi kinds of 3.7V rechargeable Li-battery
- Several LED indicators, for monitoring the status of solar panel and battery
- Multi-protection circuits: over charge / over-discharge / reverse protection / overheat / over current, stable and safe to use
Specification
Type |
||
---|---|---|
Voltage of solar panel |
6V ~ 24V |
6V ~ 24V (Default setting: 18V) |
Chargers |
Solar panel, Power adapter, USB | |
USB charge interface |
Micro USB: 5V/1A |
Type-C:5V/2A; Support fast charge mode (PD/QC/FCP/PE/SFCP, etc. protocol); Support discharge |
Internal Li-battery |
3.7V 14500 Li-battery |
3.7V 10000mAh high-capacity Li-battery |
USB input voltage |
5V (Micro USB interface) |
5V (TYPE-C interface, support PD fast charge protocol) |
5V output |
5V / 1A (USB OUT、GPIO) |
5V / 3A (USB-OUT、TYPE-C) |
Charge cut-off voltage protection |
4.2V ± 1% | |
Overdischarge protection voltage |
2.9V ± 1% | |
Solar panel charge efficiency |
About 78% | |
USB charge efficiency |
About 82% |
About 93% |
3.7V battery boost output efficiency |
About 86% |
About 92% |
Max quiescent current |
<2mA | |
Enclosure |
No |
Metal case |
Operating temperature |
-40℃ ~ 85℃ | |
Dimension |
65.2 × 56.2 × 22.9mm |
108.0 × 71.0 × 25.2mm |
Capacity indicators
Battery capacity | LED1 | LED2 | LED3 | LED4 |
75~100% | ON | ON | ON | ON |
50~75% | ON | ON | ON | OFF |
25~50% | ON | ON | OFF | OFF |
5~25% | ON | OFF | OFF | OFF |
1~5% | Flashing | OFF | OFF | OFF |
0% | OFF | OFF | OFF | OFF |
How to use
- Turn the switch ON and press the BOOT button. The LEDs will turn on and indicate the capacity.
- Connect the solar panel to DC-002 or the screw terminal with the adapter. If the connection is correct, the Solar Charger indicator turns on. If you reverse the connection, the Solar Warning indicator will turn on. The Solar Done indicator will turn on if the battery is fully charged and turns off the Solar Charge indicator.
- If you connect the power adapter to the TYPE-C interface, the Quick LED indicates the fast charge mode. The LED is off if your charger doesn't support a fast charge. The indicators of capacity flash when charging and turn off when fully charging.
- Discharge on Type-C port: The Type-C interface can be used for powering a USB device, you can connect a USB device to it by Type-C cable.
- USB -OUT interface can be used for powering other USB devices.
Notices:
⚫The fast charge mode can only work if the power adapter supports fast charging.
Working with Raspberry Pi
This board can be used with Solar Powering Application for MCU and SBC like Raspberry Pi/ Jetson Nano / Arduino and so on.
If you need to chanage the input voltage of solar panel, you need to take apart the case and change the setting of DIP switch in PCBA, For example, if you want to change the voltage to 18V: