I'm developing a module with integrated battery, where the power supply will came from a solar panel.
- Solar panel is this one -- 5.5V - 90mA
- Battery is this -- 3.7V - 1200mAh
- My device is a Sensor with a Wifi transmitter. Consumes 3.3V - 30mA (300mA peak during 2 seconds, every 5 minutes)
According the battery seller, it comes with integrated IC to protect the battery.
Discharge cut-off voltage: 3 V
Charge cut-off Voltage: 4.2 V
Considering that, can I do my circuit simple like this one (without charger management)?