The Anker Laptop Power Bank is designed for the person who carries a laptop, phone, and several cables but cannot count on an outlet. The useful part of the product is not simply “25,000mAh” or “165W.” It is the way those numbers are shared between ports, the 595 g weight in your bag, and whether your laptop actually needs this much output.
The 165W claim, translated
| Connected devices | Published maximum | What to expect |
|---|---|---|
| One device | USB-C ports can reach up to 100 W each. | Check your laptop’s required USB-C PD profile. |
| Two devices | Up to 165 W total. | This is where the headline number applies. |
| Three or four devices | Up to 130 W total. | Adding devices changes the available budget. |
| USB-A device | Up to 33 W. | Useful for accessories, not a laptop replacement. |
That table is the detail I would want before buying. “165W” does not mean 165W arrives at every port simultaneously. The manufacturer lists three USB-C ports, USB-A up to 33 W, and built-in/retractable cables. It is a flexible setup, but the power budget still has to be shared.
Capacity is not the same as delivered energy
The rated 25,000mAh capacity is measured at the battery-cell level. The manufacturer FAQ explains that conversion and heat reduce the amount delivered to devices, giving a typical loss range of roughly 30–45%. That is why I would not promise a fixed number of laptop or phone charges from the label alone.
For a travel day, the more useful question is whether the battery can cover your laptop’s critical work session and still leave reserve for your phone. Check your laptop charger’s wattage, bring a properly rated USB-C cable, and remember that a demanding laptop can consume power while it is operating.
What you carry for the convenience
Reasons to buy
- Enough capacity for a laptop-focused travel kit.
- Multiple USB-C ports plus USB-A and built-in cables.
- Display shows remaining battery and power flow.
- Pass-through charging is supported under the manufacturer’s stated conditions.
Reasons to pause
- 595 g is noticeable in a small everyday bag.
- Three or four devices reduce the total output ceiling.
- Usable energy is lower than the 25,000mAh label suggests.
Who should buy it?
You work away from outlets
A laptop, phone, and accessories can share one battery instead of competing for the next wall socket.
You want fewer loose cables
Built-in and retractable cables can make a travel kit tidier, provided the connector and power rating fit your devices.
You only charge a phone
A smaller power bank will be lighter and easier to justify.
You fly frequently
Read the printed watt-hour rating and your airline’s current spare-battery rules before traveling.
Verdict
I would choose this Anker model when a USB-C laptop is part of the travel plan and the extra weight replaces a charger or a second battery. I would not buy it for casual phone charging. The product earns its size through power flexibility, but only if you understand the shared-output limits and plan around the capacity you can actually deliver.
Manufacturer specifications: Anker A1695 product page. Port limits, recharge time, and delivered capacity depend on the charger, cable, devices, and conditions.
Offer note: Price, availability, Amazon rating, and review count were checked from the current US offer on 2026-09-15. They can change after publication.



