Graphene battery for Chargeasap Flash power bank


Aussie company Chargeasap uses a new high-capacity, high-resilience graphene-based battery to power its new Flash 100W PD power bank.

Yes, it is exciting – the Tesla designed 21700 battery cells made by Panasonic offer 20% higher energy density and longer sustained use than Lithium-Ion rechargeable batteries.

The result is an Indiegogo project that at this time has raised over A$1.35 million or 16132% of its funding goal – so we will see it come to market.


Flash comes in two sizes – Flash 1.0 and Flash 2.0 – all figures are company claims

Item Flash 1.0 Flash 2.0
USB-C 1 x PD 3.0 to 100W Input (charge) and output 5V/3A, 9V/3A, 12V/3A, 15V/3A, 20V/5A 1 x PD 3.0 to 100W
1 x PD 3.0 to 60W
3.3V-21V PPS support
Use one to charge and the other 60W for passthrough power
Total power output 150W shared 210W shared
USB-A Passthrough power – can be used while charging 2 x 18W (or 1 x 40W) 5V/4.5A, 9V/2A, 12V/1.5A, 10V/4A
If using the original smartphone manufacturer’s cable, it is compatible with 2x 5V/4A (20W) charging or 5V/3A 9V/2A
Huawei SuperCharge
OnePlus Dash
Or if using both ports 18W each Qualcomm QC 3.0 compatible
Apple fast charge Samsung fast charge
Qi wireless (Certified) Passthrough 10W for iPhone, Samsung and Airpods
2.5W for Apple watch
Battery capacity 20,000mAh 74Wh same
Three segments LED Indicates battery capacity same
Battery cycles 2000 same
Size 14.5 x 8.2 x 2.7cm x 470g same
Aeroplane approved yes same
Approx recharge time 1hr 10 minutes to 100% 35 minutes to 80%
Recommended charger 100W+ PD 3.0 Use of lower wattage chargers will exponentially increase charging time and reduce pass though power ability.
Note a 60W charger will take about 5 hours.
Warranty 2-year same
Colours Midnight Black, Space Grey   Midnight Black, Space Grey, Black and Blue & Black and Gold

GadgetGuy’s take – Graphene power banks will abound

I first wrote about Graphene in February 2013, and it was a top rating story. I wrote: “While we do not expect commercialisation until 2050, it is relatively exciting to think that electronics as we know it could be turned on its head in such a relatively short time.” That it has made it to power banks in 30 years less shows Elon Musk and Tesla’s versatility.

5% Graphene coats the positive and negative poles of the Lithium-Polymer cells. It makes them much cooler and gives a lifespan of 2000 cycles – Lithium-Ion is typically 300-500 cycles. It also means a faster charge and no runaway heating issues.

Chargeasap is not the first to use Graphene – so it is a proven tech. You can see a range here, but this is one of the largest you can fly with – I am waiting to review Flash 2.0.

Flash 1.0

Flash 2.0