VINSIC 20,000mAh Power Bank Review

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The Vinsic 20,000mAh Power Bank is one seriously chunky power bank, and it needs to be given the huge size of the battery.

The power bank comes with a cloth bag to store it in as well as a USB charging cable that is used to charge the power bank and can also be used to charge your mobile or tablet. Note this is a standard USB cable that’s used by Android/Windows mobiles, if you’re an Apple iUser you’ll need to provide your own charging cable.

There is a little readout to show how much charge is left in the power bank, you’ll get a good number of charges out of this (how many will depend on your mobile/tablet battery size).  In the review video below you’ll see a HTC M9 was topped up from 27% to 34% after a 10 minute charge.

VINSIC 20000mAh Smart Identification

Due to the enormous size of the battery this takes a loooong time to charge up, you’ll need to leave this charge at least over night, if not for most of a day as well if charging from close to empty.

The glossy case is something of a fingerprint magnet and it’s very heavy compared to other power banks I’ve tried, but it also provide a huge amount of power to charge your devices so is perfect for those worried about being away from a plug socket for a few days.

Available from Amazon UK: http://amzn.to/29NMf3s and Amazon USA: http://amzn.to/29SJZZ8

VINSIC 20000mAh Power Bank Video Review

Power Banks 30000 mAh High cost Safety Metal Shell concise fashion With LED Display 2x USB Ports Mini Flashlight Portable Phone Charger Quick Charge Mobile Phones Tablet etc.(Grey_30000mAh)

£24.99  in stock
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as of 25/02/2021 5:06 am


  • Metal case can resist external damage effectively and improve the safety 10 times than plastic case
  • The unique and LED torch is very practical for outdoor lighting, Most products don't have or only with a very small LED lamp.(Please remove the indicator display screen protective film)
  • Input 3 ports + Double USB ports outputs enable to charge 2 devices at the same time,works on mobile phone tablet mini speaker DV etc.Charge power bank with input 3 ports Type-c / Lightning / Micro USB
  • Hight capacity 30000 mAh simple appearance design is portable and beautiful and fashionable .Long-term outdoor use of multi-equipment
  • Package power bank and Micro USB Charging cable .Friendly Service help you..

Baseus Power Bank, Portable Charger 30000mAh USB C Port Compatible with iPhone 12 Pro Max, iPad, Mac, Samsung Galaxy, Huawei and More Black

£25.99  in stock
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  • Large Capacity - 30000mAh large capacity. Charge iPhone up to 10times; Samsung Galaxy 9.5times; Huawei 7times; iPad Mini 4times; iPad Pro 1.5times.
  • USB C Output - Charge iPhone 12 up to 15w for 2 hours; Up to 15W charging for MacBook ). Note: to get 15W charge, type c to IP cable is required(Cable is not included in the package).
  • Three Inputs / Outputs - Charge 3 devices at the same time. Providing enough power for iPhone12, iPad, Mac, Samsung, Huawei, Xiaomi and More.
  • For Your Safety - FC, CE, RoHS Qualified, Worry-free LIFE-TIME warranty and friendly customer service from Baseus.
  • Why Baseus - Leading mobile accessories brand trusted by millions worldwide, covered more than 180 countries through 600+ global physical stores. With Baseus, you know that you will get the right product on the market. Because they are engineered to be so.

TSSIBE Power Bank 16000mah Solar Charger with Flashlights, Portable Charger with 3 Inputs & 2 Outputs, External Battery Pack Works for Smartphone

£13.99  in stock
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as of 25/02/2021 5:06 am


  • High 2 USB Charging Output & 3 Charging Input:The solar power bank can charge three devices at once which offer 2.4A high speed charging.2.1A Lightning and Micro Input.It means you never worry whether your device is iPhones or Andr
  • Large Capacity:16000mAh battery charger. Provides large battery backup for usage during outdoor activities like camping or hiking. Ideal for use after dusk while outdoors. The power bank can charge iPhone 6 around 5 times, Samsung S6 around 4 times and iPad Air around 1.5 times on a full recharge.
  • Solar Power Charger: 8% conversion, only suitable for emergency use when outdoor with solar power. Fully charge the power bank when going outside.
  • Safety Protect: It's FCC, RoHS, CE certified. Overvoltage protection, short circuit protection and advanced safety protections protect you and your devices.
  • What You Get: Solar Charger 16000mAh, Micro USB Cable,User Guide and 24-month warranty and friendly customer service.

Mark J Draper is a self-confessed gadget lover who forged a career in the telecommunication and utility industry while maintaining a hobby of writing and filming reviews that are published on YouTube and Reviewify.co.uk.

1 Comment
  1. I recently bought a similar model: Vinsic VSPB303. The main difference is that one of the USB ports is QC3.0, and there is a USB Type C connector.
    Thing is, it charges my Huawei P9 Plus only twice, after which the bank indicator shows 8% charge left. Per online specs, the P9+ has a 3400mAh battery. Assuming a very bad charge efficiency of 70%, math shows that the battery capacity is near 1000mAh, and not 20000mAh.
    I therefore want to take a look under the hood to check out the battery. However, I can’t get it open without using dangerous force.
    Is there a teardown of this power bank somewhere? I can’t seem to find a teardown other than for the Slim, which is very different.

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