Yes, you can use a solar charger to charge your portable massager as long as the massager has a compatible charging port or cable that can be connected to the solar charger.
Yes, you can use a solar charger to charge your portable massager as long as the charger provides a compatible voltage and charging capacity for the massager's battery.
Yes, you can use a solar charger to charge your portable massager as long as the charger's output matches the massager's required input.