Charging Li Ion Batteries With Solar Panel

A lithium ion solar charge controller is used when a li ion battery is used as power storage in the system.

Charging li ion batteries with solar panel.

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. So you can choose 500 mah solar cell or 1 ah solar cell. Otherwise it may lead to explosion also. Charging lithium ion battery with solar cell step 1.

That battery pack has a pcb with balancing function and also protects the battery from over charging over discharging and short circuit by interrupting the input output to from the battery when needed. Charging lithium batteries with solar panels. Material links are affilliate. Solar energy is abundant on earth surface.

Tp4056 then charges the battery from the solar power itself. A pwm or mppt solar charge controller is used to regulate the charging of the battery in a stand alone solar photovoltaic system. 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.

This voltage is given as input to the tp4056 li ion battery charging module which in this scenario acts as a solar charge controller. Lithium ion batteries 18650. It is better then 5v.