... :Aluminum alloy 3.Certificate:CE&ROHS portable solar power system with phone charger 1. Handiness, portability, waterproof designs2.eco-friendly ... short circuit, overload,overcharging, overdischarging Specification of solar power system: Two charging modes:solar energy charging and AC charging, ... -50Hz or AC-220v-50Hz output access, output power 200 w max.Lithium battery pack capacity: 500wh cycle life ...