BACKORDER For ridiculously lightweight solar power, turn to the Solpro Maasai 7 watt Solar Panel! If there’s sunlight, the Maasai 7W will charge you up. Feel free to be as adventurous as you wish. The Maasai series has been tested on a climb up Mt. Kilimanjaro where it crushed varied and difficult conditions. Designed around the concepts of redundancy and simplicity, the ultra-lightweight Maasai Series makes sure you stay charged up without being weighed down. Get the Maasai 7W and get moving. It will keep up.