Why is my power bank providing fewer charges than expected?

Due to 35% to 45% energy loss in the battery cells and circuit conversion, a fully charged Anker Nano Power Bank (10K, 45W, Built-In Retractable USB-C Cable) delivers about 5,500mAh to 6,500mAh of usable power.

Why doesn't this product charge my phone at 45W?

This power bank supports up to 45W, but some phones don't accept that much power. Even for phones that do, charging speed may slow down as the device heats up to protect the battery. It's normal for the smart display to show below 45W while charging.

Can this power bank charge my laptop?

We don't recommend using this power bank to charge laptops. Due to its limited capacity and heat buildup during high-power output, it cannot sustain 45W charging for long. It's best used for quick top-ups in emergency situations.

Why is the charging speed slower when using multiple ports?

To protect your devices, the power bank limits output when using multiple ports. Max single-port output is 15W when using 2 ports and 7.5W max per port when using 3.

Why won't the power bank recharge after being fully drained?

After heavy use, the battery cells may be too warm. Recharging will resume once the temperature drops to a safe level, protecting the battery lifespan.

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Description

⚡ Power up fast, stay sleek, and never miss a moment.

COMPACT YET MIGHTY - 16% smaller than standard power banks, perfectly designed for your busy, mobile lifestyle.
POWER THAT KEEPS UP - Massive 10,000mAh capacity fuels your devices all day without missing a beat.
SAFE SMART CHARGING - Intelligent display and 24/7 battery protection keep your devices powered safely and efficiently.
TANGLE FREE ON THE GO - Built-in retractable cable with 20,000+ bends means no more messy wires slowing you down.
SPEED MEETS EFFICIENCY - 45W max output charges your iPhone 16 Pro to 50% in just 27 minutes—because time is money.

The Anker Nano Power Bank is a compact, flight-approved 10,000mAh portable charger featuring 45W max two-way fast charging, a durable 2.3 ft retractable USB-C InstaCord cable, and an intelligent display for real-time battery status. Designed for professionals on the move, it offers safe, efficient power delivery compatible with the latest iPhone 16 series, Samsung, Pixel, and iPad devices.

Reviews

K**P

An excellent power bank!

An excellent power bank! Small in size, which is very convenient - but powerful. It shows the percentage of how full it is.When not in use with the phone, it looses very little power, making it very economical!

19.09.2025

S**L

So worth it

Incredible charging bank being this small and it being 45w and 10,000mah is so so good. Also has a built in usb c cable and shows the battery health + cycles and temperature. Perfect for your phone

7.09.2025

A**Y

Handy and sleek backup pack

Excellent battery in a bag to backup mobile phones etc. Easy to use and charged up in just over 1 hour. Feels nice in the hand and is small enough for mobility.

19.07.2025

C**E

Small but heavy

Really good product, small, compact and love that it has a screen to tell you about the battery, health and temperature! Have marked down as it’s heavier than I expected and also does take quite a long time to charge up from 0%

21.07.2025

M**E

Amazing power bank from anker and very impressed

The media could not be loaded. This power bank is one of the best I’ve seen at this price point and capacity and the built in display shows lots of great information such as remaining battery and battery health and battery temperature. Also the built in cable is very useful and is great for keeping all my things charged up on the go.

22.06.2025

M**Z

Powerful and practical

It's awesome!! Simple to use, compact and powerful. Very clear indicators telling what's going on

20.08.2025

M**N

Great small compact charger with build in usb-c.

Really nice compact fast charging device charger, only real criticism is no pouch or case like other Anker products I have purchased. The overall design is great and makes a great travel companion.

17.07.2025

T**S

Charges my samsung S25 ultra fast

Brilliant! S25 ultra and fast charges. Compact battery pack, so alot easier for taking out with you. Has a digital display. Super happy. Pricey but you get what pay for. Also charges vape quickly. Definitely recommend.

17.07.2025

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.