... sensitive solar panel, Monocrystalline silicon, 17% conversation rate;5. Top quality 4000mAh lithium polymer battery,long working life;6. Rechargeable ... will light up one by one. Up to fully charged, light up totally.How to charge the solar charger battery?In two ways ... protection function, when the external short circuit, the product will stop working. At this time, please activate this product by ...