Why does the digital display show the battery capacity decreasing rapidly while charging a phone?

Anker Power Bank has a battery capacity of 5,000mAh. Due to efficiency losses in the conversion circuit, its rated capacity at 5V is about 3,000mAh. Therefore, it is normal for the product to lose about 3% of power per minute during use.

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 5,000mAh Anker Power Bank offers an estimated 2,750mAh to 3,500mAh to power devices.

How many times can the product charge devices in power bank mode?

In power bank mode, it can fully charge an iPhone 13 once, provide about 0.9 charges for iPhone 14/15, about 0.8 charges for Samsung S23, and about 0.7 charges for S23 Ultra.

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 0.9 charges from a 5,000mAh power bank (calculated as (5,000mAh × 0.7) ÷ 3,877mAh).

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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⚡ Power up anywhere, anytime — your pocket-sized energy revolution!

RAPID 30 W TWO WAY CHARGING - Quickly recharge your devices or the power bank itself with blazing fast 30W output and input.
ECO CONSCIOUS POWER SOLUTION - ClimatePartner certified, combining high performance with environmental responsibility.
POWER ON THE GO WITHOUT THE BULK - Lightweight 7-ounce design fits perfectly in your bag or pocket for effortless portability.
ULTIMATE 3 IN 1 CHARGING FLEXIBILITY - Seamlessly switch between USB-C port, built-in cable, and foldable AC plug for all your devices.
STAY READY WITH DUAL RECHARGE OPTIONS - Never get stranded—charge via foldable AC plug or USB-C cable wherever you are.

The ANKER 3-in-1 Power Bank is a sleek, 5000mAh portable charger featuring a built-in USB-C cable, foldable AC plug, and 30W max fast charging. Designed for seamless device compatibility including iPhone 15, Galaxy, and MacBook, it offers dual recharge modes and weighs just 7 ounces, making it the ultimate compact power solution for busy professionals on the move.

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TrustScore 4.5 | 7,300+ reviews

Khalid Z.

Great experience from order to delivery. Highly recommended!

1 week ago

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The product exactly matches the description. Very satisfied with my purchase.

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Antenna Location	Outdoor
Warranty Type	Limited
Item Weight	7 Ounces
Item Dimensions L x W x Thickness	3.25"L x 1.95"W x 1.22"Th
Color	Blue
Battery Cell Type	Lithium Polymer
Battery Capacity	5000 Milliamp Hours
Power Source	Battery
Voltage	5 Volts
Portable	No
Connector Type Used on Cable	USB-C1+Built-in C Cable1
Is Electric	No
Number of Ports	3
Additional Features	Fast Charging

ANKER Power Bank USB C Charger Block, 3-in-1 5,000mAh Portable Charger with Built-in USB-C Cable and Foldable AC Plug, 30W Max Compact Battery Pack, for iPhone 15 Series, Galaxy, MacBook, and More

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