Abstract: A portable battery charging device includes a box and a plurality of solar panels each attached to the box to be exposed to sunlight. A plurality of first charging docks is each attached to the box to slidably engage a slide-on rechargeable battery. A plurality of second charging docks is each attached to the box to insertably receive a post of a rechargeable battery. A plurality of female electrical outlets is attached to the box to insertably receive a male plug of an electronic device. A plurality of charge ports is each recessed into the box to insertably receive a charge cord of an electronic device. A pair of third charging docks is each attached to the box to slidably engage a slide-on rechargeable battery.