Why rechargeable Lithium-ion batteries?

Compared with traditional battery technology, rechargeable Lithium-ion batteries charge faster, last longer, and have a higher power density for more battery life in a lighter package. When you know a little about how they work, they can work that much better for you.(apple lithium-ion batteries)

It charges fast for convenience and slow for longevity.

Your Apple rechargeable Lithium-ion batteries uses fast charging to quickly reach 80% of its capacity, then switches to slower trickle charging. The amount of time it takes to reach that first 80% will vary depending on your settings and which device you’re charging. Software may limit charging above 80% when the recommended battery temperatures are exceeded. This combined process not only lets you get out and about sooner, it also extends the lifespan of your battery.

Stage 1: Fast Charge

Gives you more power more quickly.

0%
80%
100%

Stage 2: Trickle Charge

Eases the electrical current to extend battery lifespan.

It makes charging easier.

Charge your lithium-ion batteries 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. Apple lithium-ion batteries are designed to hold at least 80% of their original capacity for a high number of charge cycles, which varies depending on the product.

One Cycle
Charges
+100%
Discharges
-75%
+75%
-25%
+25%

One charge cycle is completed after you’ve discharged 100% of your battery’s capacity.

Apple Lithium-ion Batteries

They’re inside every iPhone, iPad, iPod, Apple Watch, and MacBook, helping you do all kinds of things in all kinds of places. Find out more about your battery to get the most out of it throughout its lifespan — and beyond.

Why Lithium-ion? apple lithium-ion batteries

Rechargeable lithium-ion technology currently provides the best performance for your device. Compared with older battery types, lithium-ion batteries weigh less, last longer, and charge more efficiently.

Learn more about how your battery charges

Maximizing Battery Performance apple lithium-ion batteries

The single biggest factor affecting battery life and lifespan is the mix of things you do with your device. Videos and games? Or email and word processing? No matter how you use it, there are ways to extend your battery’s performance.

Learn how to get the most out of your battery

Service and Recycling

All rechargeable batteries have a limited number of charge cycles and may eventually need to be serviced. If you find yourself charging your device more frequently, it might be time for a new battery.

Learn how to service and recycle your battery

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