G-MAx Series

20,000 MAH w/ 87W Charger

20,000 mAh (74wh) Battery

  • 7.4 times bigger than iPhone X Batttery

87W SuperCharger

  • Charge power bank up to 5 TIMES FASTER than current "Fast Charging" 18W power banks.

Shorter Charging Time

  • Get 6 FULL phone charges in just 1.5 hours!

  • 1.5 hours to fully charge vs 7 hours of current "Fast Charging" 18W devices 74WH.

High Multi-Output

  • Charge up to 87W in a single port! Charge 105W total to 3 devices at the same time! (Please use proper cables when charging at 45W and higher!)

Prolonged Battery Life

  • Lives 5x longer than current lithium

1 Year Warranty

  • Real Graphene USA stands behind all its products. Warranty is guaranteed for 1 year after purchase.

Graphene Composite

  • Graphene keeps the battery cool and adds an extra layer of protection creating one of the safest batteries.

  $109.99     $76.99

Super Charge your laptop with 87W

The only power bank to output 87W for your Macbook Pro

Compatible with:




-Nintendo Switch





Included in Packaging

✔ G-Pro Composite Battery

✔ FREE 87W PD Charger ($30 value)

✔ Travel Pouch

✔ USB-C Cable

  $109.99     $76.99


First Class


SAVE an additional


G-Pro + G-Max

$194.99    $124.99


Real Graphene USA was founded by two UC Berkeley graduates who realized the amazing potentials of graphene during lab research. Our goal is to integrate graphene into affordable every day technology. 



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Join the VIP Early Access Program

Join now to get special perks and privileges to future products and upcoming programs!

5,000 mAh/60W Lite

Coming Early 2020


Coming Early 2020

Graphene Clothes

Coming 2020