A solar charger can store energy for as long as it is connected to a battery or power bank. However, the duration of energy storage depends on the capacity of the battery being used.
A solar charger can store energy for an indefinite period of time as long as it is properly maintained and the battery is in good condition.
A solar charger can store energy for an indefinite period of time, as long as it is properly maintained and the battery is not damaged.
