Image of 20A MPPT charger

Hardware and Software

Flexible MPPT/PWM solar charge controllers and battery management systems (BMS) for Li-ion batteries

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OER by Libre Solar and HOOU

Open Education

The new Open Educational Resource (OER) explains how to develop, produce and use components in DC energy systems

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Soldering MPPT charge controller in Fablab St. Pauli

Collaborative Effort

Within our community forum we aim to join forces and build renewable energy components together

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