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Anker Nano Power Bank 10000mAh 30W

Anker Nano Power Bank 10000mAh 30W

By Anker · Power Banks · Audio & Electronics · More from Anker

  • 10,000mAh capacity
  • 30W max total output, bidirectional
  • Built-in USB-C cable that doubles as a carry strap
  • 1x USB-C + 1x USB-A, charges up to 3 devices
  • 4.09 x 2.06 x 1.02 in

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Problems, parts and running costs

Summary

A compact 10,000mAh power bank for phone users, with a built-in USB-C cable that doubles as a carry strap, a color display and 30W single-port output. Check the attached cable before you buy: owners describe it as a common failure point on this family of Anker banks, and total output drops to 24W when you charge more than one device.

Strengths

  • The USB-C cable is always attached and doubles as a carry strap, so there is no separate cable to carry or lose.
  • Compact and light at 215 g, with a color display showing the remaining percentage and an estimated time.
  • Tech Advisor measured 30W via USB-C and 22.5W via USB-A, with strong 30-minute results for phones.
  • CNN Underscored reported 56% added to an iPhone 16 and 45% to a Galaxy S25 Ultra in 30 minutes.
  • The shell is 80% post-consumer recycled plastic.
  • Anker states a 10,000mAh bank typically lasts about 2-3 years or 600-1,000 full-cycle charges.

Weaknesses

  • The attached cable is a common failure point: owners describe flexing it cracking the solder joint where it meets the board.
  • The 30W name applies to a single USB-C port; total output is capped at 24W when multiple devices share.
  • One exact-model owner reports the 30W claim did not hold for an M1 MacBook Air, the sole reason they bought it.
  • The shell is scratch-prone, according to Tech Advisor.
  • Warranty terms conflict: 24 months are advertised, but the US refund policy lists “Other” power banks at 18 months.
  • It is not a laptop-class charger; CNN Underscored says it does not deliver enough power to recharge laptops.

Verified specifications

ModelA1259.
Capacity10,000mAh total; the manual lists cell capacity as 10,000mAh from two 5,000mAh cells.
Ports1x USB-C, 1x built-in USB-C cable, 1x USB-A; up to three devices at once.
InputUSB-C 30W Max; the built-in cable takes 30W Max.
Output, single port30W Max.
Output, USB-A22.5W Max.
Total output24W Max when multiple devices share the bank.
USB-C protocolsPD with PPS, QC, SCP, BC 1.2 and Apple.
Dimensions4.09 x 2.06 x 1.02 in (104 x 52.3 x 26 mm).
Weight7.58 oz (215 g).
Displaycolor screen showing remaining percentage and an estimated time.
Trickle-charging modefor low-power devices such as earbuds, switched on with the power button.
Rechargeto 50% in 45 minutes; about 1.5 hours for a full self-recharge.
Materials80% post-consumer recycled plastic shell.
Warranty24-month term advertised on the product page; the US refund policy lists “Other” power banks at 18 months.
Includedthe power bank and a welcome guide.
ColorsBlack Stone, Shell White, Ice Lake Blue, Lilac Purple and Natural Green.
Full research notes and sources

The attached cable

The one thing to check before buying is the cable. This model’s USB-C cable is built in and doubles as a carry strap, so there is no separate cable to carry or lose. Owners in r/powerbanks describe that side lanyard cable as a common failure point on this family of Anker power banks: the stiff cable flexes where it meets the board and can crack the solder joint. One exact-model owner in r/anker reports the 30W claim did not hold for an M1 MacBook Air, which was the sole reason they bought it. Anker’s warranty covers the whole unit, but owner flexing damage is not obviously covered, and one owner post describes a box stating a 24-month warranty being treated as expired early. Treat the cable as a wear item and avoid bending it hard at the connector.

Output and charging

The 30W in the name is a single-port figure. A USB-C port can deliver 30W on its own, but Anker caps total output at 24W when several devices share the bank, and the USB-A port is limited to 22.5W. In its 30-minute tests the Nano added 51% to an iPhone 15, 36% to an iPad Pro 11-inch and 21% to a MacBook Air M1. CNN Underscored reported 56% to an iPhone 16 and 45% to a Galaxy S25 Ultra in 30 minutes, and named it an Editor’s Pick. USB-C protocols include PD with PPS, QC, SCP, BC 1.2 and Apple. A trickle-charging mode for low-power devices such as earbuds is switched on with the power button. CNN Underscored states the Nano doesn’t deliver enough power to recharge laptops, so treat it as a slow top-up for a laptop rather than a laptop charger.

Capacity, lifespan and upkeep

Anker lists 10,000mAh total, and the manual lists cell capacity as 10,000mAh from two 5,000mAh cells. External batteries normally deliver only 60-70% of rated capacity, so expect about 6,000mAh usable. Anker’s 10,000mAh FAQ says a well-maintained bank lasts roughly 2-3 years or 600-1,000 full-cycle charges; that figure is generic to 10,000mAh banks, not measured on A1259. The shell is 80% post-consumer recycled plastic, and Tech Advisor flags it as scratch-prone. The color display shows the remaining percentage and an estimated time. There is no user-serviceable repair channel; this is a sealed unit.

Anker’s US site lists the bank at $49.99, and its collection page has shown $39.99 on sale against a $49.99 reference. Tech Advisor reviewed it at $39.99 in the US and £39.99 in the UK. Best Buy listed it at $41.99 with an $8 saving and a $49.99 comparison value, and Abt lists the Black Stone SKU at $49.99. CNN Underscored listed the unit at $50 at Anker in its March 2026 update. Recurring costs are minimal: a USB-C PD wall charger and any spare USB-A or USB-C cable for devices the built-in cable cannot reach.

Which model this is

This page covers the Anker Nano Power Bank (30W, Built-In USB-C Cable), model A1259, in Black Stone, Shell White, Ice Lake Blue, Lilac Purple and Natural Green. Retailer SKUs vary; A1259H11-1 is the Black Stone US SKU at Abt and Best Buy. The US listing for this model is ASIN B0C9CPK4GL. Do not merge it with the newer 45W Nano (A1638), the Fusion wall-plug variants (A1637), the Zolo A1680/A1681/A1689 line, the 22.5W Nano (A1653), or the 20K Nano (A1387).

Sources

Manufacturer:

Independent reviews:

Owner reports:

Parts and stores:

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