HomeReviewsMobileSandberg Wireless Powerbank Review - 10000mA with no cables needed!

Sandberg Wireless Powerbank Review – 10000mA with no cables needed!


With an increasing number of smartphones coming with premium features like wireless charging, the third-party accessory market is finding new and improved options to make your life a little bit easier. Sandberg is a Danish company that offers a wide range of electronic products for every budget. They have gaming equipment, outdoor gadgets, audio and mobile accessories for every budget. Today we are looking at a new product they released, the 10000mA Wireless Powerbank.

Qi-compatible smartphones can be charged completely wirelessly by placing the phone on the charging plate on top of the power bank. In addition, you will find both a QC 3.0 USB-A port and a USB-C port for wired charging of your device if needed.

The power bank is equipped with powerful suction cups, which hold on to your smartphone, so that the smartphone doesn’t fall off, for instance during wireless charging in your pocket.

Package and Specifications

The Sandberg 10000mA Wireless Powerbank comes packed in a small black and blue box with the logo on top and a big picture of the powerbank in the middle.

The back of the package contains a detailed list of specifications.

Lets take a look at those specifications:

  • Capacity: 10000 mAh / 37 Wh
  • Battery type: Li-polymer
  • Connectors: 1 x Micro USB female, 1 x USB-C female, 1 x USB A female
  • Micro USB input: 5V / 2A
  • USB-C Input / Output: DC5V / 3A, 9V / 2A, 12V / 1.5A (PD 18W)
  • USB A Output 1: DC5V / 3A, 9V / 2A, 12V / 1.5A
  • Wireless output: 10 W
  • Frequency: 100 Hz – 180 kHz
  • Charging distance: ≤10 mm
  • Charging efficiency: 65%
  • Wireless standard: Qi

Inside the box we have the Sandberg Powerbank 10000 Wireless 10W, one USB-A to USB-C charge cable 0.5M and a quick usage guide.

Closer look

The Sandberg 10000mA Wireless Powerbank has a small but bulky design, mostly black, that will fit the back of most phones in todays market without covering the camera. The powerbank is 2,3 cm wide, so you won’t be able to carry it in your pocket with your phone, but you can easily put it in the backpack.

The powerbank attaches to your phone via 3 rows of suction cups and they are sticking to your phone pretty hard. They are actually making me a little nervous when I put them on my Samsung phone as when taking them off you have to pull pretty hard and I am always careful not to break my phone. The powerbank also works with your phone protection cover on so it shouldn’t be any issue.

The back of the powerbank is simple and has a Sandberg sticker on it detailing the specifications and 5 leds. The first led will light up red when the powerbank is not connected to any device and green when it is charging a phone. The remaining 4 leds light up in blue and they indicate how much power you have left in your powerbank.

On the bottom side we have 3 USB connectors: USB-A, USB-C and micro USB. The Micro USB can only be used to charge up the powerbank and the USB-A can only be used to charge up a device (output only). The USB-C can be used as input or output (both for charging the powerbank and for charging a phone using wire). The USB-C port support QuickCharge 3.0 so your phone should be charged pretty fast. The wireless charging function allows you to charge multiple devices at once, as long as each device is close to it, charging distance being 10mm.

Overall build quality is decent. The powerbank is made out of plastic all around, but looks sturdy. Design-wise, the Sandberg 10000mA Wireless Powerbank is not the prettiest device on the market, but is compact and the suction part is hidden when used.


The Sandberg 10000mA Wireless Powerbank has 10000mA of power so it should handle 2 full charge cycles for the Samsung Galaxy Note. The powerbank charges any Qi-enabled device if you get it close to its surface and you can also use the USB-A and USB-C cables to charge your devices. When charging through wireless you have a 10W charging power, which is detectged as a quick charge by the phone and it takes about 2 hours to fully charge a Galaxy Note 10 Plus (4300mAh). When tested, we didn’t let the phone to dry out completely and managed to get 2 power cycles in using the wireless charge, so the powerbank works as advertised.

On the USB-C you have a better charging power, the Sandberg 10000mA Wireless Powerbank being able to charge with 3A and the time to charge the phone is about 1 hour. There also seems to be a better charging efficiency on cable, as the powerbank still had some juice in after 2 charges.

Charging the powerbank itself takes about 5 hours to charge using the USB-C cable.

Functionality wise we had some hiccups with a previous generation phone, also a Samsung model, the Galaxy Note 9, with which the powerbank would randomly disconnect and then reconnect while charging. It did the job, but the energy depleted faster in it.


The Sandberg 10000mA Wireless Powerbank is a simple and efficient product. While the powerbank is not the prettiest product you can buy, the functionality and price are great. The small powerbank can charge the power-hungry Note 10 Plus in 2 full cycles both on Wireless and with the USB-C cable.


Build Quality


With the Sandberg 10000mA Wireless Powerbank you get every feature of a premium device with half the price.

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