2. Backlight of the LCD display would turn off automatically after a long time of inactivity.
Click on any button and the backlight would be on.
■
Depth of Discharge (DOD)
To prolong battery life,we set a DOD of 90% for this portable power supply, which means
only 90% of 500Wh can be discharged. 10% of power is reserved to make up to the energy
losses (in transmission). The DOD of low-powered electronics may be larger than 90%, but
we would recommend 90% as the best DOD.
Therefore, to calculate the time it takes to charge a electrical device correctly. You need to
follow this equation:
Loading time=500Wh
×
90%
÷
P
(P: Power of the connected device)
Photovoltaic Power Storage System
太阳能市电充电器--Solar Charging Cable
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