Why is my power bank providing fewer charges than expected?

Energy loss during charging due to inefficiencies in battery cells and circuitry results in a 30% to 45% capacity reduction. A fully charged Anker 25,000mAh power bank typically delivers about 13,750 to 17,500mAh.

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

To estimate the number of charges, use this formula: (Power Bank Total Capacity × 0.65) ÷ Device Battery Capacity. For example, a device with a 3,349mAh battery can receive approximately 4.8 charges from a 25,000mAh power bank.

How long does it take to recharge the power bank?

The recharge time depends on the charger's power and the ambient temperature. Using a 100W or higher charger at 77°F (25°C), it typically takes about 2 hours to fully recharge the power bank.

How to turn off the screen?

The screen will automatically turn off after 10 seconds of inactivity. Alternatively, you can manually turn off the screen at any time by pressing and holding the button for 2 seconds, whether the device is active or inactive.

How do I adjust the length of the retractable cable and use the short cable?

Pull the retractable cable to your desired length and tug gently to lock it. To retract, pull slightly and it will retract automatically. For the lanyard, press upward to extend and downward to secure it in place.

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Anker Power Bank, 25,000mAh 165W Ultra-Fast Portable Charger for Dual Laptops, Fast Charging Battery Pack with Built-In and Retractable Cables, For iPhone 17/16 Series, Samsung, and More

Anker Power Bank, 25,000mAh 165W Ultra-Fast Portable Charger for Dual Laptops, Fast Charging Battery Pack with Built-In and Retractable Cables, For iPhone 17/16 Series, Samsung, and More

Product ID: 683217844

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Details

Connector type
USB-A*1
Brand
Anker
Battery capacity
25000 Milliamp
Colour
Black
Special features
Built In Cable

⚡165W ultra-fast dual laptop charging

🔋25,000mAh massive power capacity

🔌Dual built-in retractable USB-C cables

Description

⚡ Stay powered, stay unstoppable.

BUILT IN CONVENIENCE - Dual retractable USB-C cables built to last 17,000+ bends, doubling as a stylish carrying strap—never forget your cables again.
RAPID RECHARGE READY - Refuel the power bank to 30% in just 20 minutes with 100W ultra-fast input—stay ahead of the curve.
POWER THROUGH YOUR DAY - 165W dual ports deliver lightning-fast charging for two laptops simultaneously—no compromises on speed.
CHARGE MORE WORRY LESS - Power up to 4 devices at once with dual USB-C cables, USB-A, and USB-C ports—perfect for multitasking pros.
ENDLESS ENERGY ON THE GO - Massive 25,000mAh capacity keeps your devices juiced through long workdays and travel marathons.

The Anker 25,000mAh Power Bank delivers ultra-fast 165W dual laptop charging with built-in retractable USB-C cables, supporting up to 4 devices simultaneously. Designed for professionals on the move, it combines massive capacity, rapid recharge, and durable convenience in a sleek, portable design.

Specifications

Product Dimensions	15.7 x 5.4 x 4.9 cm; 450 g
Batteries	1 C batteries required. (included)
Item model number	A1695
Special features	Built In Cable, Digital Display, Fast Charging, Short Circuit Protection
Color	Black
Item Weight	450 g

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