Product Key Pparameter Battery specification(Polymer battery):3.7V/4500MAH Solar panel specification: 5V/1.2W The maximum working time of the product: 2.5H(5W)/(908) Solar charging time: 21 hours Battery input voltage range: 3-4.2V USB output power: 5V/2A Wireless output power: 5V/1A Discharge protection: Shutdown standby current: Static sleep current: USB output over-current protection: >2.0-2.5A Maxiumu charge current: 5V/1.5A
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