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The Anker 325 Power Bank (PowerCore Essential 20K) is a 20,000mAh dual-port battery pack for phones, tablets and small accessories. It charges two devices at once through its USB-A outputs, and its USB-C and micro-USB ports are input-only for recharging the bank itself. A four-LED wheel shows remaining charge, and a trickle mode keeps low-power gear like earbuds and Bluetooth speakers topped up. It is a plain, sturdy high-capacity pack rather than a slim pocket model, so it suits people who need days of backup power more than a light everyday carry.
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Out of stockSold by AnkerDirectReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
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Lowest price we've seen: $29.99 on Nov 14 at eBay. Tracked across 3 stores since Nov 14.
Owners rate the pack highly for its large capacity and reliability, and many use it as a dependable travel backup. Complaints centre on its weight and on the USB-C port being input-only, which surprises some buyers.
The Anker PowerCore Essential 20K (Anker 325 Power Bank) is a portable charger with a 20,000mAh capacity and two output ports. It can keep a phone, tablet and other USB devices charged for days. It has a matte exterior and a blue LED light-wheel that shows the battery level.
Anker's MultiProtect safety system protects the user and connected devices. A trickle-charging mode gives optimized charging to low-power devices such as earphones, Bluetooth speakers and other accessories. To turn it on, press the power button twice, or press and hold it for 2 seconds until the LED indicator turns green. While trickle charging is on, the last LED stays green regardless of battery status.
The USB-C input port and the micro USB port are for input only, and the two input ports can't be used at the same time. The USB-C port can't charge an iPhone 12, so use a USB-A to Lightning cable to charge an iPhone. It doesn't support laptop charging, which needs a portable charger with at least a 30W output.
