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Coolblue's Choice

20,000mAh power banks

20,000mAh power banks

  • 22 power banks

You can use a power bank with 20,000mAh capacity to charge your smartphone, but also your tablet or laptop. You can fully charge the average smartphone about 4 times. That's useful if you're going away for a weekend and want to charge multiple phones. You can fully charge tablets about 2 times. Due to voltage conversion and energy loss during charging, the actual capacity of a power bank is two-thirds of the given capacity. So, you have about 13,400mAh from 20,000mAh. Compare that to the battery capacity of your device to see how often you can fully charge your device. Do you want to charge a laptop? The power bank must have a USB-C port that provides at least 45W of power.

BlueBuilt Power Bank with Fast Charging 20,000mAh 20,000mAh power bank
Coolblue's Choice
End of Year Deal
Our choice for a power bank with fast charging | Quick charge functionality | 20 W power | Recommended for Smartphone, Tablet
Retail price 49,99 39,99
Delivered tomorrow
BlueBuilt Power Bank with Fast Charging 20,000mAh + Duo Pack 20,000mAh power bank
5-year warranty
Quick charge functionality | 20 W power | Recommended for Smartphone, Tablet
79,98 70,-
Delivered tomorrow
Xtorm Power Bank 20,000mAh Power Delivery + Quick Charge Duo Pack 20,000mAh power bank
Bundle discount
Quick charge functionality | 20 W power | Recommended for Smartphone, Tablet
102,- 92,-
Delivered tomorrow
Xtorm Power Bank 20,000mAh Power Delivery + Quick Charge 20,000mAh power bank
Quick charge functionality | 20 W power | Recommended for Smartphone, Tablet
51,-
Delivered tomorrow
Xtorm Power Bank with Fast charging 20,000mAh Black 20,000mAh power bank
Quick charge functionality | 35 W power | Recommended for Smartphone, Tablet
60,-
Delivered tomorrow
Xtorm Rugged Power Bank 20.000mAh with Fast Charging 20,000mAh power bank
Quick charge functionality | 35 W power | Recommended for Smartphone, Tablet
100,-
Delivered tomorrow
Xtorm Power Bank with Fast charging 20,000mAh White 20,000mAh power bank
Quick charge functionality | 35 W power | Recommended for Smartphone, Tablet
60,-
Delivered tomorrow
BlueBuilt Power Bank with Fast Charging 20,000mAh + Lightning Cable 1.5m Nylon White 20,000mAh power bank
5-year warranty
0 reviews
Quick charge functionality | 20 W power | Recommended for Smartphone, Tablet
61,-
Delivered tomorrow
Anker Prime Power Bank 20,000mAh with Fast Charging Black 20,000mAh power bank
0 reviews
Quick charge functionality | 200 W power | Recommended for Smartphone, Tablet
85,-
Delivered tomorrow
BlueBuilt Power Bank with Fast Charging 20,000mAh + Charger 30W Black 20,000mAh power bank
0 reviews
Quick charge functionality | 20 W power | Recommended for Smartphone, Tablet
69,-
Delivered tomorrow
Xtorm Power Bank 20,000mAh Power Delivery and Quick Charge + Charger 30W Black 20,000mAh power bank
promotion
0 reviews
Quick charge functionality | 20 W power | Recommended for Smartphone, Tablet
79,99 75,-
Delivered tomorrow
Anker Nano Power Bank 20.000mAh with Fast Charging Black 20,000mAh power bank
0 reviews
Quick charge functionality | 22,5 W power | Recommended for Smartphone, Tablet
49,99
Delivered tomorrow
Belkin Power Bank 20,000mAh Black 20,000mAh power bank
None quick charge functionality | 15 W power | Recommended for smartphone
34,99
Delivered tomorrow
Xtorm Power Bank with Fast Charging 20,000mAh + BlueBuilt Lightning Cable 1.5m Nylon White 20,000mAh power bank
0 reviews
Quick charge functionality | 20 W power | Recommended for Smartphone, Tablet
72,-
Delivered tomorrow
Anker PowerCore Power Bank 20,000mAh Quick Charge and Power Delivery Black 20,000mAh power bank
Quick charge functionality | 20 W power | Recommended for Smartphone, Tablet
44,99
Sold out online
Samsung Power Bank 20,000mAh with Fast Charging Beige 20,000mAh power bank
End of Year Deal
Quick charge functionality | 45 W power | Recommended for Smartphone, Tablet
Retail price 62,99 55,-
Sold out online
Anker Power Bank 20,000mAh Quick Charge and Power Delivery Black + Charger 30W Black 20,000mAh power bank
promotion
0 reviews
Quick charge functionality | 20 W power | Recommended for Smartphone, Tablet
73,98 69,-
Sold out online
Xtorm Power Bank 20,000mAh Power Delivery and Quick Charge + BlueBuilt Charger 18W 20,000mAh power bank
promotion
Quick charge functionality | 20 W power | Recommended for Smartphone, Tablet
75,99 71,-
Sold out online
Xtorm Power Bank with Fast Charging 20,000mAh + BlueBuilt Lightning Cable 1.5m Nylon White 20,000mAh power bank
promotion
Quick charge functionality | 20 W power | Recommended for Smartphone, Tablet
75,99 71,-
Temporarily sold out
BlueBuilt Power Bank with Fast Charging 20,000mAh + Lightning Cable 1.5m Nylon White 20,000mAh power bank
5-year warranty
0 reviews
Quick charge functionality | 20 W power | Recommended for Smartphone, Tablet
64,98 60,-
Temporarily sold out
BlueBuilt Power Bank with Fast Charging 20,000mAh + Charger 30W Black 20,000mAh power bank
5-year warranty
0 reviews
Quick charge functionality | 20 W power | Recommended for Smartphone, Tablet
69,98 65,-
Sold out online
Anker Power Bank 20,000mAh Quick Charge and Power Delivery Black + Charger 30W Black 20,000mAh power bank
promotion
Quick charge functionality | 20 W power | Recommended for Smartphone, Tablet
74,98 70,-
Sold out online
 

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