Full speed ahead!

Our Guardmine is a real “bundle of energy”.

With the built-in, high-performance battery pack, your smartphone will never run out of juice again. For the battery pack, we opted for a 1S4P 3.6V Li-Ion battery pack with an unbelievable 10,400 mAh, which not only enables the Guardmine a long battery life, but also guarantees enough reserves for the function of the power bank, so that you too can always rely on full power in the greatest adventure.

For our battery pack, we rely on four pieces of the high-quality and globally established Samsung 18650 cells. Our battery pack has a constant charging and discharging current of 5000mA max. To give you the best possible user experience. As a safety feature, the battery pack has an integrated PCM (Protection Circuit Module), which protects the cells against overcharging, deep discharge, and short circuits, thus guaranteeing the Guardmine a long service life and consistent quality.

Of course, our battery pack is certified in accordance with all the required standards such as UN38.3 and IEC62133-2: 2017, and components are prepared for UL certification in accordance with UL1642 / UL2054 / UL2056.

Markus Kämpf
Technical Project Lead
markus@guardmine.com

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