Depending on initial charge state and storage time before sale, the battery may be low or dead when you buy the razor. The initial 4 hour charge baselines the battery's full charge state. The razor electronics probably shut off the motor at a specific loaded voltage, from which…
Read the full replyMy new Phillips razor (8150XL) has a lithium-ion battery. It fully recharges in 1 hour, but the manual says to charge it 4 hours the first time it's used.
Could someone please explain why the initial charge takes (at least supposedly) 4 hours? Especially for a Li-ion battery, this doesn't make any sense to me.
Thanks.
wrote in news:fskPh.3396$ snipped-for-privacy@newssvr29.news.prodigy.net:
battery conditioning. Also,many Li-ion batteries now use a processor IC to monitor charge state and control the recharging,and it needs to develop baseline data.
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