Powerbank 20000mAh for iPhone, Samsung, Xiaomi - Gravity 20

The Gravity 20000 mah power bank is a powerful external battery designed to charge your devices quickly and efficiently. Compatible with iPhone, Samsung, Huawei, Xiaomi, Apple iPads and many more in fast charge. They are also perfectly adapted to store your surplus solar energy.
The Gravity 20 powerbank is powerful external batteries designed to charge your devices quickly and efficiently. It is also perfectly adapted to store your surplus solar energy.  The Gravity 20 has a 20'000 mAh capacity. This means that it can charge up to 6 smartphones in 1 cycle. This high capacity powerbank can also charge many other devices.
Sunslice is a belgian company specialized in energy solutions. These include portable solar panels, solar power banks, solar generators and more

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