I just got a reply in my inbox.
Dear Sir,
Thank you for your email.
The Li-ion battery will decay after 500 charging period, this is the reason that why we add the charging switch. Charge the Li-ion battery frequently will lead the battery to decay.
The D10 has the charging regulation chip to detact the voltage and the current to judge if the charge is completed.
Sincerely
iBasso Audio
That is cristal clear, thanks for the reply.
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