Will I be able to charge my batteries during trekking in the Everest Base camp trek?

Will I be able to charge my batteries during trekking in the Everest Base camp trek?

Most of the tea houses/ lodges have electricity whereby you will be able to charge your iPod or camera batteries. Please note that lodges/tea houses will charge you some extra money for the services. The fee may vary from 1 USD to 3 USD per hour.