The Anker Advantage
The Anker 533 Power Bank 10000 mAh 25W – A1249H11 is a compact, high-performance portable charger with a 10,000mAh capacity that delivers fast, reliable power for smartphones, tablets, and other USB devices on the go. It features up to 25W Power Delivery (PD) output for ultra-fast charging—capable of boosting an iPhone 15/16 series or similar to significant levels quickly (e.g., up to 3x faster than standard chargers)—along with versatile 3-port connectivity including two USB-C ports (one or both supporting PD input/output) and one USB-A port for simultaneous charging of multiple devices (total shared output up to 25W). The sleek black design is slim and lightweight (around 152.6 × 71.6 × 15.6 mm and 246g), making it easy to slip into pockets or bags while providing multiple full charges (typically 2+ for most modern smartphones). Recharging the power bank itself is efficient via USB-C input (up to 5V=3A / 9V=2.22A / 12V=1.5A or similar PD speeds), often taking just a few hours with a compatible charger. Built with Anker’s trusted MultiProtect safety system—including over-current, over-voltage, short-circuit, and temperature protections—it ensures safe operation, broad compatibility with iPhone, Samsung Galaxy, Google Pixel, and other PD/USB devices, and a durable build for everyday travel, commutes, or emergencies—offering a premium, value-driven portable power solution backed by Anker’s quality reputation and standard warranty support.
Key Features
25W Fast Power Delivery
This power bank supports up to 25W USB Power Delivery output through its USB-C port, enabling rapid charging for modern smartphones and tablets. Compatible devices like iPhone 15/16 series or Samsung Galaxy can gain significant battery life in a short time, often reaching full or near-full charges much faster than standard 10W–18W power banks.
10000mAh High Capacity
With a 10000mAh battery capacity, it provides multiple full charges for most smartphones (typically 2+ charges for recent models) or partial charges for tablets and other gadgets. The effective capacity after conversion losses remains substantial for all-day use during travel, commutes, or outdoor activities.
Triple-Port Versatile Charging
It features two USB-C ports and one USB-A port, allowing simultaneous charging of up to three devices at once. Power is distributed intelligently across the ports with a combined maximum output of 25W, making it convenient for powering a phone, earbuds, and another accessory together.
Compact and Lightweight Build
The slim profile (approximately 152.6 × 71.6 × 15.6 mm) and lightweight design (around 246g) make it easy to carry in pockets, bags, or purses without adding noticeable bulk. Its durable exterior and ergonomic shape ensure comfortable handling and reliable everyday portability.
Efficient Recharging and Safety
The power bank recharges quickly via USB-C input with PD support (up to 18W or higher depending on the charger), often reaching full capacity in 2–3 hours. It includes Anker’s MultiProtect safety system with safeguards against over-current, over-voltage, short circuits, and temperature issues for secure, worry-free use.
What’s in the Box
- Powerbank
- Cable
- User Manual
FAQs
How many times can it charge my smartphone?
With a 10,000mAh capacity, it typically provides 1.8–2.5 full charges for most modern smartphones (e.g., around 2 full charges for an iPhone 15/16 with ~3,300–4,400mAh battery, or 1.5–2 for larger Android flagships), depending on the device, cable efficiency, and usage. Real-world usable capacity is lower than rated due to voltage conversion losses (often ~70–80% efficiency), so expect solid but not unlimited recharges for daily needs.
Does it support fast charging for iPhone and Samsung devices?
Yes, it delivers up to 25W via USB Power Delivery (PD) and PPS (Programmable Power Supply) on the USB-C port, enabling fast charging for iPhones (up to ~25W on compatible models like iPhone 15/16 series) and Samsung Galaxy phones (including Super Fast Charging via PPS). The USB-A port tops out at lower speeds (up to ~18W). For maximum speed, use a quality PD-compatible cable and connect to the appropriate USB-C port.
Why does the power bank recharge slowly or not at full speed?
Recharging the power bank itself supports up to ~25W PD input, but some users report inconsistent or slower speeds (e.g., closer to 18W max in practice). This can depend on the wall charger used—ensure it’s a PD-compatible adapter rated 25W+ (ideally 30W+ for headroom). Try different cables, ports, or chargers; if issues persist, it could be a variant-specific quirk, though most units recharge in 2–3 hours with a good setup.
Can I charge three devices at the same time, and what speeds do I get?
Yes, the triple ports (2× USB-C + 1× USB-A) allow charging up to three devices simultaneously. However, the total output is capped at 25W shared across all ports—e.g., one device might get full 25W alone, but with multiple connected, power distributes intelligently (often prioritizing the main PD port while others get reduced speeds like 5–10W each). It’s great for a phone + earbuds + watch, but not for three high-power devices at once.
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