Screen Sat Nav
Charging the lithium-ion battery in my new sat nav?
Hi, I got a sat nav as a gift yesterday. It is brand new. Its stated in the manual that its internal lithium-ion battery in the sat nav takes 4 hours to fully charge.
Well, this morning I charged it via the USB port on my computer for about 2 hours, and then accidentally switched off the computer! I turned my computer back on immediately after it switched off, and my computer takes about 8 seconds to fully load up to the start screen... and my sat nav started charging again.
I'm worried now that I may have shortened the new sat nav's battery life by interrupting the charge cycle halfway through! Have I done damage to the battery already???
(From my past experience of owning mobile phones - if I took them off the charger too soon their battery starts to hold lesser and lesser charge and that situation was irreversible!)
Lithium ion batteries do not really suffer from charge depletion, memory, or similar effects. You can charge them whenever you feel like it and discharge them whenever you like. The only things that really hurt their life are:
1) Charging them when they are very hot.
2) Discharging them too deeply or leaving them discharged for too long. (Probably, your device will turn itself off before this happens, but don't leave it 'dead' for months.)
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