The opinion of Aventure Nordique
The Gravity 27 Pro from Sunslice is a professional-grade external battery and portable power supply. It has a capacity of 27,000 mAh and a power output of exactly 99.9 watts, making it compliant with air travel regulations (100-watt limit).
Equipped with different output ports, it can charge 5 devices at the same time: 2x USB-C, 1x USB-A, 1x DC5521 and 1x wireless charging, while being charged itself via its DC5521 input. The DC5521 socket with MPPT ensures efficient charging via solar panels, even when sunlight levels vary. It can also be charged via a USB-C port, mains power or a small solar panel.
The Gravity 27 Pro external battery can be used to charge not only smartphones, drones and cameras, but also laptops. It charges efficiently, even for the most power-hungry devices. It comes with 8 PD connectors for laptops.
Its LCD screen provides real-time information on the battery status.
Points to remember
Technical details
| Brand | Sunslice |
|---|---|
| Name | Gravity 27 Pro |
| EAN | 5430003494837 |
| Color | Black |
| Battery capacity | 27000 mAh |
| Charging time | 1h10 with the Emperion 65 Pro charger, 12h with a standard charger |
| Load indicator | Ecran LCD |
| Input | USB-C : 5V-3A / 9V-3A / 12V-3A / 15V-3A / 20V-3A (60W), DC5521 : 12-24V/3A MPPT |
| Output | USB-C : 5V5V-3A / 9V-3A / 12V-3A / 15V-3A / 20V-5A (100W), USB-C : 5V-3A / 9V-3A / 12V-2.5A (30W), USB-A : 5V-4.5A / 9V-2A / 12V-1.5A (22W), DC5521 : 12V-5A / 16.5V-4A / 20V-3.5A / 24V-3.5A, Wireless : 10W |
| Protection Rating | IP67 |
| Dimensions | 130 x 75 x 50 mm |
| Weight | 590 g |
| Additional information |
|
| Warranty | 2 years |
| Country of Manufacture | China |
