Technical Parameters:

Peak value power of solar energy battery panel is 1.65w\1.0w\0.7w voltage of solar energy battery panel is 5.5v
Capacity of lithium battery 1200mah\2000mah\3000mah\3400mah\5000mah
Output voltage: 4.8v\5.8v\8.4v\9v
Output power: 3W
Charge current to the battery: 500ma
Charge time: 8-12hrs(irradiance: 100mw/cm2)\3-4hrs(charger)
Our charger has double voltage protection and temperature protection