If you’ve acquired just a few outdated Apple Watch chargers mendacity round and are considering of getting in line for the brand new Series 7—which is on the market for order beginning at the moment—you higher mark them with a tag or one thing earlier than you convey your new watch house.

There is a motive for this, pricey readers. See, one of many Series 7’s enhancements this 12 months is its sooner charging time. According to Apple, the Series 7 could be charged 33% sooner when in comparison with earlier fashions, reaching an 80% cost in about 45 minutes. For individuals like me, who maintain their Apple Watch round the home and solely use it to go to the health club and burn child burn, that is excellent news. There’s nothing worse than realizing your watch has low battery if you’re on the point of head out.

However, quick charging will solely be obtainable for individuals who use Apple’s new USB-C magnetic fast charger with the Series 7, which is provided with a brand new charging structure. Don’t fear, this cable is included within the field, however because it appears to be like similar to the older cables, it’s vital to have the ability to inform them aside to get the charging speeds you’re anticipating.

That doesn’t imply that the Series 7 gained’t cost if related to an older Apple Watch charger. It simply signifies that it gained’t have the ability to use quick charging. Likewise, you need to use the brand new USB quick charging cable with outdated Apple Watch fashions, however they’ll cost at their common speeds. For comparability’s sake, the Series 6 could be absolutely charged in an hour and a half.

Apple doesn’t need you to get confused, so it’s determined to not promote the outdated watch chargers on its web site. It now solely sells fast chargers for $29. However, as identified by the Verge, outdated Apple Watch chargers are nonetheless offered third occasion websites like Amazon. It’s no trigger for panic, in fact, however it’s good to know that you just want a brand new quick charger to make the most of all of the Series 7’s choices and that your outdated chargers gained’t work as anticipated.

The Apple Watch Series 7 begins at $399 and might be stocked in shops starting on Oct. 15. If you’re questioning whether or not you need to improve, take a look at our useful information.