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Posted 12 June 2023

Charmast 10400mAh Power Bank USB C Battery Pack - £12.99 @ Dispatches from Amazon Sold by Chen Ying Ke Ji

£12.99
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⚡【10400mAh High Capacity】This power bank can charge your iPhone 11 2.3 times, iPhone 11 Pro 2.3 times, iPhone 11 Pro Max 2.1 times, Huawei P20 2.1 times etc. Enough capacity for daily use, journey or travelling etc.
⚡【Charges 3 Devices Simultaneously】3 iSmart 2.0 USB ports provide a powerful total current output of 5.6A. One bidirectional Type-C port and 2 USB output ports allows you to charge your multiple devices simultaneously.
⚡【Accurate LED Digital Display】The slim portable charger built-in advanced smart digital display technology, power display accuracy is up to 100% which ensures you know the remaining power clearly.
⚡【Type-C & Micro USB Dual Input】It supports 2 types input ports, you can choose any one of the Micro USB or Type-C ports to recharge the power bank itself. High-speed recharging in just 4.5 hours with a 3A charger or 6 hours with a 2A charger.
⚡【Smart E 3.0 Charging Technology】All three ports adopted the Smart E 3.0 charging technology, automatically identify your devices and deliver its maximum efficiency. Smart E and VoltageBoost combine to deliver the fastest possible charge.
⚡【10000mAh High Capacity】This power bank can charge your iPhone 11 2 times, iPhone 11 Pro 2 times, iPhone 11 Pro Max 2 times, Huawei P20 2 times etc. Enough capacity for daily use, journey or travelling etc.

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Community Updates
Edited by a community support team member, 12 June 2023
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11 Comments

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  1. GBOBM's avatar
    GBOBM
    Not bad, but I'd probably be more likely to go for the 23800mah charmast one on Amazon for £19.99
  2. 77andyb's avatar
    77andyb
    I'm really confused by power banks. Or rather the mix of opinions I see on here about different brands.
    I'm looking for a 20,000mAh bank. I know nothing about the brands and their reliability, other than Anker are meant to be ok. Are there any other brands people recommend, and suppliers other than Amazon, as Amazon seems to be full of unknown brands? I'd rather not pay more than £30, but if it's reliable and flexible in terms of inputs/outputs, I'd consider stretching the budget. Any suggestions gratefully appreciated!
    brettreading321's avatar
    brettreading321
    Charmast always seem to be one of the best scoring brands and are about half the price of Anker. (edited)
  3. 12SCooke's avatar
    12SCooke
    Also available in Black for the same price
  4. rogerroger37's avatar
    rogerroger37
    iniu have a 10K one @ £10.83 - I can't seem to post their deal though.
  5. chimpsinties's avatar
    chimpsinties
    I got this one the other week. I wanted a reasonably thin one to carry with me when hiking. I happened to forget my charger and used this for an overnight charge on my Pixel6. It went from 100->36% overnight. I thought I'd get nearly 2 charges out of this but by the look of it was lucky to get one. Maybe if I'd unplugged in as soon as it was charged, or not got right the way to 100% on the phone. Oh, and it takes a long time to charge up again. Overall, not a bad battery bank but I wasn't partcluarly blown away.
  6. sew109's avatar
    sew109
    Can these cheap ones damage your device like cheap leads can ?
  7. dcx_badass's avatar
    dcx_badass
    No fast charge like QC/PD at all, can usually get ones with that included for a similar price.
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