The 313070004 from Seeed Technology is a Mono-Crystalline Solar Panel that has been designed to mate directly with many of Seeed’s development boards. It delivers an output power (peak) of 0.55 W and has an efficiency of 17%. This solar panel has a voltage rating of 5.5 V and a current rating of 100 mA. It is coated with a fine Epoxy resin material with hard-board backing for efficient operation in outdoor environments. This solar panel is available in a panel-mount package that measures 55 x 70 x 1.5 mm.