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20000 mAh power banks

 prices on 150 models  
~ 20,000 mAh
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High Capacity: 20,000 mAh ultimate power capacity that can charge a standard smartphone up to 6 times, giving you extra 72 hours of time.
Dual Outputs: 2 USB-A output ports that can charge 2 devices at once.
Rapid Charging: 2.1A rapid charging for all of your charging needs.
LCD Display: The LCD indicator shows the battery level and charging status at a quick glance.
Dual Inputs: 1 USB-C and 1 micro-USB inputs can recharge based on your convenience.
PowerSafe: Guarantees against short circuit, and over-charging for your portable battery and devices.
£24.84
Amazon.co.uk
Delivery: to United Kingdom
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Amazon.co.uk
HIGH CAPACITY: 20000mAh wireless powerbank built with lithium polymer batteries. Lightweight charger with high safety standards. Equipped with 3 outputs, one wireless, 1 USB-A and 1 USB-C. SMART WIRELESS CHARGING: Supports up to 5W | 7.5W | 10W | depending on device - simply place your phone or device in the middle of the charger pad for easy wireless charging. Automatically detects and adjusts current intensity according to the type of device connected PD technology (power delivery: charges your device from 0 to 75% charge in just 30 minutes. Unlike common portable battery chargers, Energizer wireless charger is equipped with PD technology, which unlike the common QC (quick charge) technology …
£37.80
Amazon.co.uk
Delivery: to United Kingdom
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Amazon.co.uk
20,000mAh capacity provides 4-6 full charge cycles on just about any smartphone Charge up to 2.5 times faster with 18W Power Delivery (PD) via Type-C and QC3.0 via USB Type-A *Only one device may be connected to the power bank at a time in order for fast charging to be enabled **PD is supported by Android-based and iOS-based devices, while QC3.0 is only supported by Android-based devices (excluding some Huawei and OPPO models) 3 outputs (2 USB Type-A and 1 Type-C) charge up to 3 devices simultaneously Dual input (Micro-USB and Type-C) for more convenient charging options, plus Rapid Recharge via Type-C *For rapid input charging via the Type-C port, a quick charge PD power adapter is required …
£27.28
Amazon.co.uk
Delivery: to United Kingdom
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Amazon.co.uk
3 device alla volta: tre uscite USB per alimentare in contemporanea tanti tipi di dispositivi come smartphone, tablet, auricolari, cuffie, speaker, GPS, kindle e smart watch Ricarica fast: il powerbank ricarica lo smartphone del 50% in soli 30 minuti utilizzando un'uscita USB da 2.4a Ricarica x 8: la batteria da 20.000 mAh, completamente carica, consente di alimentare fino a 8 volte uno smartphone con batteria da 2.500 mAh Multiple input e dual charge: grazie agli ingressi micro USB e type-c puoi utilizzare due tipologie di cavetti per alimentare il powerbank mentre esso stesso ricarica lo smartphone Eleganza: la scocca di colore silver conferisce al powerbank un aspetto ricercato, esclusivo …
£46.16
Amazon.co.uk
Delivery: to United Kingdom
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Amazon.co.uk
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