This voltage is given as input to the tp4056 li ion battery charging module which in this scenario acts as a solar charge controller.
Charging li ion batteries with solar panel.
A pwm or mppt solar charge controller is used to regulate the charging of the battery in a stand alone solar photovoltaic system.
For li ion.
Otherwise it may lead to explosion also.
It is better then 5v.
The input to tp4056 can be in the range of 4v to 8v which is the range of the output of the solar panel.
A lithium ion solar charge controller is used when a li ion battery is used as power storage in the system.
Let s say i have a battery pack made from 3 lithium ion cells connected in a series making a battery with around 12 volts.
Charging lithium ion batteries is a tricky affair and too with solar power because lithium ion batteries are dangerous and require controlled charging environments.
Here i am going to build a 18650 lithium ion battery charger harnessing solar energy.
Tp4056 then charges the battery from the solar power itself.
I find good website with tests lithium ion.
Charging lithium ion battery with solar cell step 1.
Charging lithium batteries with solar panels.
Solar energy is abundant on earth surface.
So you can choose 500 mah solar cell or 1 ah solar cell.