5 Romoss high-capacity power banks for heavy users

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Got a powerful smartphone with lots of cool features yet doesn’t have enough battery to keep up with your heavy use? If your answer is yes, don’t worry, you’re not alone. That’s why power banks were invented. And if you’re looking for something with a high battery capacity and fast charging technology, you’re in luck as Romoss is introducing five new power banks in their lineup.

Author’s Note: There are symbols in the power bank that determines the voltage and ampere capacities of each port. Check them out before proceeding.

  •    Single Lightning – This symbol has an output capacity of 5V-1A.
  •     Double Lightning – This symbol has an output capacity of 5V-2.1A.
  •     Fit – This symbol is where Quick Charging technologies (PD, QC3.0/2.0, MTK PE, Samsung FAST, Huawei FCP) are supported (5V-3A or 9V-2A or 12V-1.5A).
  •     Arrow – This symbol is the input of the power bank (5V-2.1A Max)
  •     Arrow Plus – This symbol is the input of the power bank. (5V-2.1A for Lightning port) (5V-2A or 9V-2A for Micro USB)

Romoss Knight 20

The Romoss Knight 20 carries a 20,000mAh battery capacity. Its design is made up of Chinese “ren” characters which makes it look unique as compared with the other power banks in this list. It has a grain-like texture and a bit heavier than usual but feels solid overall.

It has two USB Type-A output ports at the top – one with single lightning and one with a double lightning symbol, and a Micro USB port (arrow symbol) for input. On the left side is the LED notification for the battery level. The battery button, on the other hand, is located on the other side.

Romoss Knight 20 specifications:

  • 20,000mAh Polymer battery
  • Simultaneous charge and release
  • DC 5V-2.1A Input
  • 2x 5V-2.1A, 1x 5V-1A Output
  • 2x USB Type-A port
  • 1x micro USB port
  • Ten-fold intelligent composite protection ( Overcharge, Over-discharge, Over-voltage, Over-current, Power-surge, Temperature, Short Circuit, Recovery, Anti-reverse, Electromagnetic Field)
  • Smart sleep
  • ~13 hours charge time (requires 2.1A adapter)
  • Rated Power: 74Wh/3.7V
  • 143 x 82 x 22mm
  • PR mass: 437g
  • Actual mass: 443g

Romoss LT-20

The Romoss LT-20 is a 20,000mAh power bank that has a unique design compared with the other power banks in the lineup. It has a LED display (black-colored area) with a glossy finish while the rest of the body has a sandblasted texture to avoid scratches. Unlike the Knight 20, the LT 20 has a smoother grainy feel.

There are three ways for the LT-20 to charge — via Micro USB, Lightning, and USB Type-C ports. Just like with the Knight 20, this power bank can charge up to two mobile devices at the same time (one single lightning port and one double lightning port). The LED display shows the battery percentage of the power bank which gives users a better idea about its power level.

Romoss LT-20 specifications:

  • 20,000mAh Polymer battery
  • 3x DC 5V-2.1A Input
  • 5V-1A, 5V-2.1 Output
  • 1x Lightning port
  • 1x USB Type-C port
  • 1x Micro USB port
  • 2x USB Type-A port (output)
  • LED display
  • Scratch proof
  • Protections: Overcharge, Over-Current, Reset, Over-discharge, Voltage-Surge, Power-surge, Temperature, Short Circuit, Recovery, RFI protection
  • Rated Power: 74Wh/3.7V
  • 167 x 82.5 x 23mm
  • PR mass: 472g
  • Actual mass: 471g

Romoss Sense 6 Plus

The Sense 6 Plus has a simple white sandblasted design with gray-colored sides and has the same texture as the LT-20.

The Sense 6 Plus comes with the Fit-charge technology which has faster-charging capabilities than the double lightning port beside it. Another feature is its ability to charge up to three mobile devices thanks to the bi-directional USB Type-C port that can also serve as either input and output ports. Beside it is the Arrow Plus Lightning and Micro USB ports. The blue-colored power button still sits at the right side but the LED notification for the battery level is now sitting in front.

Romoss Sense 6 Plus:

  • 20,000mAh Polymer battery
  • 5V-2.1A (Lightning), 5V-2A or 9V-2A (Micro USB), 5V-2A or 9V-2A Input
  • 2x 5V-3A or 9V-2A, 1x 5V-2.1A/3A Output
  • 1x Lightning port
  • 1x Micro USB port
  • 1x USB Type-C port
  • 1x USB Type-A port
  • 1x USB Type-A port (For Fit/Fast charging)
  • Ten-fold intelligent composite protection ( Overcharge, Over-discharge, Over-voltage, Over-current, Power-surge, Temperature, Short Circuit, Recovery, Anti-reverse, RFI Protection)
  • Rated Power: 74Wh/3.7V
  • 167 x 80 x 22.6mm
  • PR Mass: 466g
  • Actual Mass: 461g

Romoss Sense 8

The Sense 8 has a high capacity at 30,000mAh which is the perfect power bank for heavy users or those who carry multiple devices. There’s nothing unique with the design, however, and has the same sandblasted-material as the Sense 6 Plus. In the hands, the device feels like you are holding a heavy brick so you have to be mindful where you put it. But seriously, it is bulky and is so far the heaviest power bank that I’ve tested.

Button, LED, and port placements are the same with the Sense 6 Plus. Two USB Type-A ports (one single lightning and one double lightning) for the output and three (one lightning port, one micro USB, one USB Type-C port) inputs.

Romos Sense 8:

  • 30,000mAh Li-Po battery
  • 5V-2.1A (Lightning), 5V-2.1A (Micro USB), 5V – 2.1A (USB Type-C) Input
  • 5V-1A, 5V-2.1A Output
  • 1x Lightning port
  • 1x Micro USB port
  • 1x USB Type-C port
  • 1x USB Type-A port
  • 1x USB Type-A port
  • Rate capacity: 20,000mAh
  • Conversion rate: 85% or more
  • Ten-Layer Smart Protection Design (Overcharge, Over-discharge, Over-current, Power-surge, Temperature, Short Circuit, Recovery, Anti-reverse, RFI, Reset)
  • Charging Time: 16-18 hours
  • 167 x 81 x 32.8mm
  • PR mass: 672g
  • Actual mass: 670g

Romoss Sense 8 Plus

The Sense 8 Plus is basically the Sense 8 but with improved features like the Sense 6 Plus. It has two USB type-A output ports (Double Lightning and Fit) and a bi-directional (input and output) USB Type-C Fit port. Lastly, there are two input ports (Lightning and micro USB).

Romos Sense 8 Plus:

  • 30,000mAh Li-Po battery
  • 5V-2.1A (Lightning), 5V-2.1A or 9V-2A (Micro USB), 5V – 2.1A or 9V-2A (USB Type-C) Input
  • 2x 5V-1A or 12V-1.5A, 1x 2.1A Output
  • 1x Lightning port
  • 1x Micro USB port
  • 1x USB Type-C port
  • 1x USB Type-A port
  • 1x USB Type-A port
  • Rate capacity: 19,500mAh
  • Ten-Layer Smart Protection Design (Overcharge, Over-discharge, Over-current, Power-surge, Temperature, Short Circuit, Recovery, Anti-reverse, RFI, Reset)
  • Rated Power: 111Wh/3.7V
  • 167 x 80 x 32.88mm
  • PR mass: 671g
  • Actual mass: 670g

We also tested each power banks’ USB Type-A ports to see how they perform. We used various smartphones (two smartphones with batteries above 50% and the other two below 30%), a 5V/3A USB Type-C cable, and a USB power monitor.

Do note that results may vary depending on the device and charging technologies they support.

Romoss Knight 20 Single Lightning port
(5V/1A)
Double Lightning port
(5V/2.1A)
Huawei Mate 10 5V/1.56A (7.85W) 5.05V/1.15A (5.60W)
Xiaomi MI 8 5.02V/1.69A (8.48W) 5.02V/1.69A (8.48W)
Cherry Mobile Flare S6 Premium 5.02V/1.82A (9.14W) 5.06V/0.64A (3.24W)
Huawei Nova 3 5.01V/1.56A (7.86W) 5.03V/1.13A (5.68W)
Romoss LT-20 Single Lightning port
(5V/1A)
Double Lightning port
(5V/2.1A)
Huawei Mate 10 4.98V/1.35A (6.67W) 5.01V/1.14A (5.03W)
Xiaomi Mi 8 4.96V/1.69A (8.40W) 4.96V/1.69A (8.40W)
Cherry Mobile Flare S6 Premium 4.95V/1.71A (8.46W) 5.06V/0.64A (3.24W)
Huawei Nova 3 4.98V/1.44A (7.17W) 5.01V/1.15A (5.76W)
Romoss Sense 6 Plus Double Lightning port
(5V/2.1A)
Fit port
(5V/3A or 9V/2A or 12V/1.5A)
Huawei Mate 10 4.96V/1.31A (6.49W) 6.62V/1.86A (12.31W)
Xiaomi Mi 8 4.92V/1.69A (8.33W) 6.41V/2.64A (16.89W)
Cherry Mobile Flare S6 Premium 4.92V/1.71A (8.41W) 6.62V/0.70A (4.67W)
Huawei Nova 3 4.96V/1.32A (6.55W) 5.04V/1.68A (8.41W)
Romoss Sense 8 Single Lightning port
(5V/1A)
Double Lightning port
(5V/2.1A)
Huawei Mate 10 5.01V/1.54A (7.79W) 5.03V/1.18A (5.87W)
Xiaomi Mi 8 5.00V/1.69A (8.48W) 5.01V/1.69A (8.46W)
Cherry Mobile Flare S6 4.99V/2.06A (10.28W) 5.04V/0.96A (4.84W)
Huawei Nova 3 5V/1.51A (7.55W) 5.01V/1.15A (5.76W)
Romoss Sense 8 Plus Double Lightning port
(5V/2.1A)
Fit port
(5V/3A or 9V/2A or 12V/1.5A)
Huawei Mate 10 4.91V/1.05A (5.15W) 6.62V/1.86A (12.31W)
Xiaomi Mi 8 4.87V/1.69A (8.24W) 6.39V/2.64A (16.68W)
Cherry Mobile Flare S6 Premium 4.88V/1.57A (7.71W) 6.62V/0.67A (4.30W)
Huawei Nova 3 4.92V/1.20A (5.90W) 6.62V/0.47A (3.11W)

Observations: Single Lightning ports are getting higher ampere readings than the Double ones especially when it’s been already established that the former can only reach a 1A capacity as compared with the latter’s 2.1A. The Huawei smartphones achieve “Fast Charging” status when put in the Fit port.

Well, there you have it! Those are the five Romoss power banks that can help you get through those “low-bat” moments.

(yugatech.com, http://bit.ly/2oYmnZx)

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