4.5 Out Of 5 Star Reviews On Amazon
Keeping your devices charged on the move is no longer a luxury, but a necessity. The Anker 325 Power Bank, also known as the PowerCore 20K II, offers a generous 20,000mAh capacity wrapped in a compact power-bank design. Whether you’re traveling, working remotely, or just away from a plug this charger will keep your devices powered up efficiently.
Key Features At A Glance
At its core, the Anker325 is about reliability and speed. It features a USB-C port capable of 15W bi-directional charging and a USB-A port that can deliver up to 15W. This means you can charge two devices at once without compromising speed. Anker’s proprietary PowerIQ and VoltageBoost technologies really help optimize charging currents. This means your devices are capable of receiving the fastest and safest charge possible.
Another neat feature is the trickle-charging mode, activated with a simple double-click, which provides low current (0.5A) for smaller gadgets like wireless earphones or fitness trackers that require gentle charging.
Safety of course is paramount, and the Anker325 has built in advanced temperature controls and surge protection to prevent overheating. This feature keeps both the charger and your devices safe during extended usage.
The Portability & Build Quality
Despite packing a large 20,000mAh battery, the Anker325 is surprisingly portable. It measures about 6.2 by 2.9 inches and weighs just over 12 ounces, easily slipping into a backpack or large jacket pocket. Its matte finish resists fingerprints and scratches, giving it a sleek, durable feel. Just note, it’s not weatherproof, so do your best to keep it dry.
The Everyday Performance
When tested, this power bank consistently charged smartphones like the iPhone 15 from 20% to 80% in roughly an hour. The speed is pretty fast, surprisingly it closely matches that of a high speed wall charger. Recharging the power bank itself via USB-C Power Delivery takes around 4 hours, which is fairly reasonable for its capacity.
One limitation to keep in mind is the USB-C port cannot simultaneously charge the power bank and output power to a device. This unfortunately means that pass through charging is not supported with this model. However, this design does help to preserve the power-bank’s battery health over time.
The Pros
- Massive 20,000mAh capacity for multiple charges
- Fast 15W charging on USB-C and USB-A ports
- Can charge two devices simultaneously
- Trickle-charging mode for low-power accessories
- Airline safe (under 100 Wh) and solid safety features
The Cons
- Too bulky for slim pocket carry compared to smaller power banks
- No built-in charging cable — you’ll need to bring your own
- Cannot charge laptops (requires higher wattage)
- No pass-through charging supported
The Final Verdict
The Anker 325 Power Bank a.k.a PowerCore 20K II hits a sweet spot between capacity, charging speed, and portability. It’s ideal for travellers, commuters, or anyone needing reliable power on the go. This power bank offers great value for money and peace of mind backed by Anker’s trusted brand reputation.
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