Generator type: all steel DC brush generator         Generator power: 5-50w (power generation is related to hand cranking speed, max. 50W)         Generating current: 1-4.5a (the generating current is related to the hand speed, and the maximum is 4.5a)         Multi function electricity meter: real time display of generation current, generation power, built-in battery power, etc         Built in battery type: large brand 18650 power lithium battery pack, long service life, replaceable         Built in battery capacity: enhanced version 260wh (equivalent to 5v62400mah), Standard Version 200wh (equivalent to 5v46800mah)         usb5v:5v/2.1Ax2         DC12V: the output of DC12V is at the same port as the charging port, and the power polarity is positive inside and negative outside         Ac220v:500w (modified sine wave)         Charging method: hand-operated power generation, charger, solar panel (you need to choose solar panel with matching voltage by yourself), etc