





Gravity 20 Extreme Pro - 20'000 mAh
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With 20,000 mAh of capacity and up to 60W of power, the Sunslice Gravity
20 Extreme Pro charges not only smartphones, drones and cameras, but
also laptops with complete autonomy. Its 60W USB-C PD port ensures fast,
efficient charging, even for the most power-hungry devices.
Its reinforced design and IP67 waterproofing offer excellent shock and water
resistance, ideal for outdoor use. Compatible with all Sunslice solar panels, it’s
a reliable, robust solution for adventurers and professionals on the move.
Capacity : 20'000 mAh
Output :
- USB-C1 PD 60W | 5V/3A, 9V/3A, 12V/3A, 15V/3A,
20V/3A - USB-C2 PD 20W | 5V/3A, 9V/2.22A, 12V/1.67A
- USB-A QC3.0 18W | 5V/3A, 9V/2A, 12V/1.5A
Input : USB-C1 PD 100W | 5V/3A, 9V/3A, 12V/3A, 15V/3A,
20V/3A
Dimensions : 180 x 82 x 30 mm
Weight : 505g
Charging Status : 4 LED indicators
1 Attachment point
LED Lamp
Optionnel :
- Emperion - Fast Charger
- Gravity 20 charges in 1h10 with the Emperion 65
PRO - Gravity 20 Extreme charges in 12h with a standard charger
Color : Black

Download the user manual here
Worldwide free shipping
We use by default BPost International for European shipping. Delivery time is usually 3-5 working days.
You can also choose for UPS or GLS shipping in order to get your package faster. Rates our calculated at the checkout.
NB: For Countries outside EU buying items ex. VAT, be aware you have to pay import taxes according to the laws of that specific country. In case of returns, we are not able to return any duties or taxes, as this is paid to and handled directly between you (the customer) and your country.
Return policy
If you want to change a product into another size, color etc, please contact us so we are able to reserve the new item in our stock immediately. You are always entitled to an exchange or refund within 14 days after you have received your package, as long as the item has not been used. All original packaging, price labels etc. shall be returned with the product without having been tampered with.
2 years warranty.
everthing about our gravity 20 Extreme Pro
100W POWERBANK FOR LAPTOPS
The Gravity 20 Expreme Pro is a powerful 20'000 mAh power bank for laptops.


HIGH POWER OUTPUT
It is equipped with the latest USB-C Power Delivery (PD) technology, meaning it can power laptops as well as phones.
The 60W USB-C PD output allows you to charge any laptop requiring up to 60W.
PRACTICAL
Of course, this power bank is also compatible with all smartphone brands (iPhone, Huawei, Samsung, Xiaomi) and with tablets (e.g. iPad) and consoles (e.g. Nintendo Switch).
The Gravity 20 Extreme Pro can also charge up to 3 devices at the same time.

LIGHTWEIGHT
The Gravity 20 Extreme Pro weights only weights 505g, which is very light for a 20'000 mAh capacity powerbank.
Take it everywhere with you and never run out of battery anymore.
CHARGE THE GRAVITY 20 EXTREME PRO WITH THE SUN
Also looking for a reliable and ecological way to charge your powerbanks ?
Sunslice is an expert in the portable solar panels industry and provides a large range of efficient and robust solar panels.
Discover our flexible and unbreakable solar panels hereunder and combine them with your Gravity powerbank