BrainDead MPPT Solar charger 35V/8A

BrainDead MPPT Solar charger 35V/8A


Simple solar charger 35V/8A with automatic MPPT supporting SLA/Li-Ion/LiFePO4 up to 8s. by Adam Lučanský:

PCB DIN-rail mountable MPPT solar charger (software-less), as well as ideal-diode prioritizer (if battery is full, load is powered directly from solar panel without cycling battery). Prototype PCB is in production (as of 20.8.2018) and soon ready for testing. The project is open source and more info & schematics can be found here:

The board is based on LTC4015EUHF (Multichemistry Buck Battery Charger Controller with Digital Telemetry System) from Analog Devices.

Schematic PDF

About mixos

Mike is the founder and editor of, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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paul clark

Can I use it to my 24 V solar systems? 24V 100AH battery.

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