GrnOas.E K51-26-F power bank 10000mAh 22.5W Pearl Black
A 10000mAh lithium-polymer power bank with built-in Lightning and USB-C cables, plus USB-A and USB-C ports, delivering up to 22.5W output for four devices simultaneously
- Type10000 milliamp_hours
- ColorPearl Black
- Capacity10000 milliamp_hours
- Chemicallithium_polymer
- Volt5 volts
- Dimension5.9 in x 2.7 in x 0.75 in
- Charges four devices at once with two built-in cables and two ports
- Delivers up to 22.5W fast charging via PD and QC technologies
- Recharges quickly through USB-C or Micro-USB inputs
- Slim 5.9 x 2.7 x 0.75 in design weighs only 8.4 oz
- Smart chip protects against over-charge, over-voltage, over-current and short circuits
Portable Power Bank for Everyday Use
The GrnOas.E K51-26-F is a 10000mAh lithium polymer power bank designed for users who need reliable backup power for smartphones and tablets. It includes built-in Lightning and USB-C cables plus USB-A and USB-C ports, allowing four devices to charge at once. The slim 5.9 x 2.7 x 0.75 inch profile fits easily in a bag or pocket.
Charging Limits of the USB Interface
Maximum output reaches 22.5W through the integrated USB-C cable, while the USB-C port delivers up to 20W and the USB-A port up to 18W. The Lightning cable is limited to 12W output. Recharging the power bank itself accepts up to 18W via the USB-C or Micro-USB inputs, so a full top-up takes several hours with a standard charger.
Capacity Decides Suitability
At 10000mAh the unit typically provides two to three full phone charges, which covers a day trip or overnight stay but falls short for multiple tablets or a laptop. Buyers who need more storage for extended off-grid use or laptop charging should consider a higher-capacity model. Airline approval makes it safe for carry-on baggage.
Highlights
- Charges four devices at once with two built-in cables and two ports
- Delivers up to 22.5W fast charging via PD and QC technologies
- Recharges quickly through USB-C or Micro-USB inputs
- Slim 5.9 x 2.7 x 0.75 in design weighs only 8.4 oz
- Smart chip protects against over-charge, over-voltage, over-current and short circuits
Specifications
| Brand | GrnOas.E |
|---|---|
| Model | K51-26-F |
| Type | 10000 milliamp_hours |
| Color | Pearl Black |
| Capacity | 10000 milliamp_hours |
| Chemical | lithium_polymer |
| Volt | 5 volts |
| Dimension | 5.9 in x 2.7 in x 0.75 in |
Questions about this item
Which capacity should I pick for daily phone top-ups?
The 10000mAh model gives roughly two full phone charges while staying slim at 5.9 x 2.7 x 0.75 in and 8.4 oz.
What does the 22.5W rating deliver in real use?
It powers the built-in USB-C cable at up to 22.5W, the built-in Lightning cable at 12W, the USB-C port at 20W and the USB-A port at 18W.
How fast can I recharge the power bank itself?
The USB-C input accepts up to 18W and the Micro-USB input up to 18W, so a full recharge takes about 3–4 hours with a compatible charger.
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