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What is considered a “charge”?

  • 25 December 2020
  • 2 replies
  • 64 views
S

Hi,

I have the Sonos Move and it says the battery will last for up to 900 ‘charges’. What is exactly considered a ‘charge’? Is it when I lift the speaker up and set it back down on the charger instantly? If I never take the speaker off the dock, would that just be one ‘charge’ and will help the battery last longer?

Thanks! 

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Best answer by buzz 25 December 2020, 09:12

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2 replies

buzz

Generally a ‘charge’ is starting at 100% discharging the battery to zero or near zero, then charging to 100%. The battery will tolerate more shallow discharges, but it is difficult to provide exact life figures for shallow discharges. This battery technology likes to be kept charged. Sitting at 0% for extended periods will cause failure.

106rallye
Userlevel 7
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This is how Apple explains it (iPhone Battery and Performance - Apple Support and iPhone Battery and Performance - Apple Support):

“A normal battery is designed to retain up to 80% of its original capacity at 500 complete charge cycles when operating under normal conditions. The one-year warranty includes service coverage for a defective battery. If it is out of warranty, Apple offers battery service for a charge.”

“Charge your Apple lithium-ion battery whenever you want. There’s no need to let it discharge 100% before recharging. Apple lithium-ion batteries work in charge cycles. You complete one charge cycle when you’ve used (discharged) an amount that equals 100% of your battery’s capacity — but not necessarily all from one charge. For instance, you might use 75% of your battery’s capacity one day, then recharge it fully overnight. If you use 25% the next day, you will have discharged a total of 100%, and the two days will add up to one charge cycle. It could take several days to complete a cycle. The capacity of any type of battery will diminish after a certain amount of recharging. With lithium-ion batteries, the capacity diminishes slightly with each complete charge cycle.”

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