Why is my power bank providing fewer charges than expected?

The capacity reduction during charging is due to a 30% to 45% energy loss in the battery cells and conversion circuitry. Therefore, a fully charged Anker Nano Power Bank offers an estimated 2,750mAh to 3,500mAh to power devices.

How can I estimate the number of charges for my device?

To estimate charges, use this formula: (Power Bank Capacity × 0.65) ÷ Device Battery Capacity. For example, an iPhone 15 with a 3,877mAh battery can receive about 0.8 charges from a 5,000mAh power bank (calculated as (5,000mAh × 0.65) ÷ 3,877mAh).

Is it normal for the power bank to get slightly warm during use?

Yes, it is normal. The product meets safety standards with a maximum temperature rise of 118°F (48°C).

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Anker Portable Charger, Nano Power Bank with Built-in USB C Connector, 5,000mAh Portable Charger 22.5W, for iPhone 17/16/15 Series, Samsung S22/23 Series, iPad Pro/Air, AirPods, and More

Product ID: 559456871

Details

Battery Capacity
5000 Milliamp
Brand
Anker
Color
Lilac purple
Connector Type
USB Type C
Special Feature
Built In Cable

⚡22.5W fast charging

🔋5,000mAh battery capacity

🔌Built-in foldable USB-C connector

41313CFA

Duties & taxes included

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Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Power up anywhere, anytime — because your hustle never stops!

COMPACT POWERHOUSE - Sleek, pocket-friendly design that fits your on-the-go lifestyle without bulk.
TANGLE FREE CHARGING - Built-in foldable USB-C connector keeps cables neat and ready—no more mess.
SWIFT 22 5 W POWER BOOST - Charge your iPhone 15 and Samsung S22/S23 at lightning speed with PowerIQ 3.0 tech.
ALL DAY ENERGY COMPANION - 5,000mAh capacity ensures your devices stay powered through busy workdays and travel.
TRUSTED ANKER RELIABILITY - Backed by a 24-month warranty and top-rated customer service for peace of mind.

The Anker Nano Power Bank delivers rapid 22.5W charging with a built-in foldable USB-C connector and a 5,000mAh lithium polymer battery. Designed for iPhone 15/16/17, Samsung S22/23, iPad Pro/Air, and more, it combines sleek portability with reliable power, backed by Anker’s 24-month warranty and acclaimed customer support.

Specifications

ASIN	B0C6XJNKP8
Amperage	3 Amps
Antenna Location	Outdoor
Battery Capacity	5000 Milliamp Hours
Battery Cell Type	Lithium Polymer
Battery Weight	72 Grams
Best Sellers Rank	#459 in Cell Phones & Accessories ( See Top 100 in Cell Phones & Accessories ) #42 in Cell Phone Portable Power Banks
Brand	Anker
Color	Lilac purple
Compatible Devices	iPhone 15, iPhone 16
Compatible Phone Models	iPhone
Connector Type	USB Type C
Customer Reviews	4.3 4.3 out of 5 stars (15,121)
Global Trade Identification Number	00194644145835
Item Dimensions	3.03 x 1.45 x 0.98 inches
Item Dimensions L x W x Thickness	3.03"L x 1.45"W x 0.98"Th
Item Weight	3.5 Ounces
Manufacturer	Anker Innovations Limited
Mfr Part Number	A16530V1
Model Number	A1653
Number of Batteries	1 C batteries required. (included)
Number of Ports	1
Other Special Features of the Product	Built In Cable
Portable	No
Power Source	Battery
Reusability	Rechargeable
UPC	194644145835
Unit Count	1.0 Count
Voltage	9 Volts
Warranty Type	Limited

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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.

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