Anker has for
Pre-Order: Anker Nano 45W USB-C Charger w/ Smart Display for $39.99 - $10 auto applied in cart (or use discount code
WS24D5XT3DV9) =
$29.99.
Shipping is free.
Thanks to Community Member
lex2 for finding this deal.
Available Colors:- Aurora White
- Black Stone
- Misty Blue
About this Item:- Delivers up to 45W with a smart 3-stage system that adjusts in real time to meet your device's power needs.
- Backed by TÜV certification, Care Mode keeps the charger 36°F cooler and your device battery 9°F cooler to help extend battery life.
- Stay informed with a smart display that shows real-time data like power flow, temperature, and charging status—plus fun animations to keep things cheerful.
- 47% smaller and 36% lighter than a standard 30W charger, with dual folding prongs that rotate 90° and 180° to fit any outlet. It's perfect for travel and tight spaces.
- This charger does not include a charging cable.
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Real question as I am far from an expert on these things but I thought the device's battery management system communicates with the charger and decides on the power based on things like current charge capacity, ie being dead or 30% or 80%. My own experience with any charger I've ever used the charging speed starts out slowly then gets faster and flies along until it gets closer to being full and then slows down to a crawl reaching 100%.
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Real question as I am far from an expert on these things but I thought the device's battery management system communicates with the charger and decides on the power based on things like current charge capacity, ie being dead or 30% or 80%. My own experience with any charger I've ever used the charging speed starts out slowly then gets faster and flies along until it gets closer to being full and then slows down to a crawl reaching 100%.
The source (adapter) tells the sink (device) what it can offer in terns of power levels, and the sink selects from those options.
Apple devices keep it simpler, and are generally more conservative in their charging rates. They mainly rely on standard fixed power profiles, which is why Apple's own adapters aren't fancy in what they support, but what they do support, they do solidly and reliably. Their newest adapters support AVS at lower (SPR) power levels, but not the 17-series of phones. But the fact that the adapters have adopted the newer features in the latest spec portend that future Apple devices will as well.
Samsung is less conservative, and their devices will take advantage of PPS when it is available, for their version of fast charging.
But, whether Apple, Samsung, or whatever, it is not the wall charger making those decisions, as suggested in the marketing fluff.
USB PD is a more complex system that permits smarter negotiation and a wider range of power levels, but even when things were simpler, the device only drew what it drew.
Things haven't changed in that respect. Nor has the typical charging strategy for battery cells, and lithium in particular. Some try to make out the progressive charging characteristics to be something novel, or special, when CC/CV is and has been the typical way lithium cells are charged.
Unfortunately, a lot of the tech press doesn't have the depth of knowledge that they should when writing about the topics they cover. Regurgitation of marketing bullet points, and "reviews" based primarily on such has become all too standard fare from pros and wannabes. There are better, more informative resources, but they're not coming from the mainstream press and marketing-driven reviews. The enthusiasts are the ones who provide that.
As to whether this adapter supports PD? As a product from an experience, and reputable brand, "if it walks like a duck…"
Multiple levels of power, with varied levels of voltage >5 volts and higher currents, and active negotiation are by definition what Power Delivery is, compared to the stone-age USB power specifications in the past.
And with PD the only sanctioned, and conforming method to deliver high levels of power under Type-C, what is it if it isn't PD, despite the marketing copy not saying so?
The first version of the spec was finalized and released more than a decade ago, and things are well past the point of questioning the adoption of the new spec. The basic spec is mature, and has become the standard, optional feature support notwithstanding.
Auto- and tire makers no longer make it a marketing point that their engines have fuel injection, and that their tires have radial plies, respectively, do they? They don't, because they also became the norm a long time ago.
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Chargers with 90-degree folding prongs have a tendency to slide out on worn out plugs -- I would imagine the 180-degree folding makes things worse, not better.
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