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 5500mAh to 7000mAh to power devices.

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

To estimate charges, use this formula: (Power Bank Capacity × 0.7) ÷ Device Battery Capacity. For example, an iPhone 15 with a 3,877mAh battery can receive about 1.92 charges from a 10000mAh power bank (calculated as (10000mAh × 0.7) ÷ 3,877mAh).

How can I charge an iPhone 13 Pro Max with this power bank?

To charge iPhones prior to the iPhone 15 series, an additional USB-C to Lightning cable is required.

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

Slight heating due to efficiency losses in the conversion circuit is normal. The temperature of this Anker Power Bank meets the temperature limits of the IEC62368 certification standard.

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Anker Nano 3-in-1 Portable Charger,10,000mAh 30W Travel Power Bank

Anker Nano 3-in-1 Portable Charger,10,000mAh 30W Travel Power Bank

Product ID: 628203651

Details

Battery Capacity
10000
Brand
Anker
Color
White
Connector Type
C Cable*1
Special Feature
Fast Charging

⚡30W two-way fast charge

👜Compact & travel-friendly size

🔋10,000mAh capacity

378.83 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

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Description

⚡ Power your hustle, anywhere, anytime.

POWER UP IN A FLASH - 30W fast charging fuels your devices from zero to 50% in just 25 minutes—because your time is money.
TRUSTED BY THOUSANDS - With a 4.6-star rating from over 3,000 users and backed by an 18-month warranty, reliability is guaranteed.
ALL IN ONE TRAVEL ESSENTIAL - Built-in USB-C cable, foldable wall plug, and power bank combined into one sleek, pocket-sized powerhouse.
LIGHTWEIGHT ULTRA PORTABLE - Weighing less than 9 ounces and sized to fit your hand, it’s the perfect companion for every trip.
DOUBLE THE CHARGE DOUBLE THE EFFICIENCY - Simultaneously charge two devices and stay ahead in your busy, connected life.

The Anker Nano 3-in-1 Portable Charger is a compact 10,000mAh power bank featuring 30W two-way fast charging, a built-in USB-C cable, and a foldable wall plug. Designed for professionals on the go, it charges two devices simultaneously and offers nearly two full charges for flagship smartphones like the iPhone 15 Pro and Samsung S23, all in a lightweight, travel-friendly design.

Specifications

ASIN	B0CX4BK8CX
Antenna Location	Indoor/Outdoor
Battery Capacity	10000 milliamp_hours
Battery Cell Type	Lithium Polymer
Battery Weight	144 g
Best Sellers Rank	#656 in Cell Phones & Accessories ( See Top 100 in Cell Phones & Accessories ) #48 in Cell Phone Portable Power Banks
Brand	Anker
Color	White
Compatible Devices	Smartphone
Connector Type	USB-C1+Built-in C Cable1
Customer Reviews	4.6 4.6 out of 5 stars (3,077)
Item Dimensions	4.25 x 1.22 x 1.97 inches
Item Dimensions L x W x Thickness	4.25"L x 1.22"W x 1.97"Th
Item Weight	8.82 ounces
Manufacturer	Anker Innovations Limited
Mfr Part Number	A1637
Model Number	A1637
Number of Batteries	1 Lithium Ion batteries required. (included)
Number of Items	1
Number of Ports	2
Other Special Features of the Product	Fast Charging
Power Source	Battery
Reusability	Rechargeable
UPC	194644067465
Unit Count	1 Count
Voltage	5 volts
Warranty Description	18

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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.

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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.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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Fantastic experience overall. Will recommend to friends and family.

1 month ago

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378.83 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

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