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Sunslice Gravity 20 Exreme Pro
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Sunslice Gravity 20 Exreme Pro

External battery with a capacity of 20,000 mAh and a power output of 60 W. Robust, shock-resistant and water-resistant casing. Compatible with laptop charging.
€99.95

Availability: In stock & Available in our store

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The opinion of Aventure Nordique

The Gravity 20 Exreme Pro from Gravity 20 Exreme Pro is a high-capacity external battery with a power output of 60 watts. It can charge not only smartphones, drones and cameras, but also laptops. It charges efficiently, even for the most power-hungry devices.


It has 3 outputs (2x USB-C and 1x USB-A female) and the battery can charge 3 devices at the same time. It can also charge devices while connected to the mains or a solar panel for power. Its 100-watt USB-C input allows for ultra-fast charging in 1 hour and 10 minutes using Sunslice's Emperion 65 Pro mains charger.


Its robust shell protects the battery from shocks and water. It provides IP67 protection. It is a reliable and robust solution for adventurers and professionals on the move.

Points to remember

The Gravity 20 Extreme Pro external battery has a large capacity and high power output for charging all types of devices, including laptops. With its protective case, it is perfectly suited for adventures where fragile electronics have no place.

Technical details

Brand Sunslice
Name Gravity 20 Exreme Pro
EAN 5430003494813
Color Black
Battery capacity 20000 mAh
Charging time 1 hour 10 minutes with the Emperion 65 Pro charger, 12 hours with a standard charger
Load indicator 4 LED
Input USB-C : 5V-3A / 9V-3A / 12V-3A / 15V-3A / 20V-3A (100W)
Output USB-C : 5V-3A / 9V-3A / 12V-3A / 15V-3A / 20V-3A (60W), USB-C : 5V-3A / 9V-2.22A / 12V-1.67A (20W) & USB-A : 5V-3A / 9V-2A / 12V-1.5A (18W)
Protection Rating IP67
Dimensions 180 x 82 x 30 mm
Weight 505 g
Additional information
  • Comes with a braided USB-C/USB-C cable and a carabiner clip
  • Approved for air travel
  • Equipped with a voltage stabilisation circuit to prevent damage to your devices
Warranty 2 years
Country of Manufacture China

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