Solar power bank offers secure, easy access lashing of your PowerActive. Compass acts as your perfect companion when you are outdoor.Lithium Polymer Battery Power Bank designed for high impact activities. Designed to be snow proof, dirt proof, drop proof, and water proof. Lithium Polymer Power Bank works properly even in rainy days(Waterproof lip closed). The solar panels are covered by leather, which can better protect the solar panels from rain. Rugged design, rain-splashy, shock-proof, dust-proof. Lithium Power Bank provides multi-protections to protect itself from overload, overvoltage, overcurrent, overcharge, over-discharge, over-heating. Lithium Battery Power Bank with solar panel can recharge by solar or outlet. Power Bank is easy to charge two smartphones simultaneously or a tablet at full speed.