Hi SamW2000,
Two Li-Ion batteries are in serial mode and to provide a DC 8.4V power source.
The input power is DC 5V to charge the batteries.
Sunglin.
Hi SamW2000,
Two Li-Ion batteries are in serial mode and to provide a DC 8.4V power source.
The input power is DC 5V to charge the batteries.
Sunglin.