Braccu

Braccu is a solution to not having an outlet nearby when you need one. Most parts are from the old solarboat of CleanMobility, and so it charges via solar. It can deliver 2kW for nearly one hour!

Braccu in the field

Braccu under the lid

Braccu at camp

Internal stackup

First test

Specifications:

Emergency stop button disconnects the battery from everything
4 PV MPPT inputs, 60V10A x2 for 1200W of theoretical max charging power
1800Wh of energy
A separate contactor for 230V output, so it can be charged without discharging
2kW sustained, 4kW peak of 230V output power
Pack can easily maintain 30V200A for minutes
Safe and long lasting LiFePO4 cells
BMS and PowerPath coulomb count the battery. Active cell balancing can be enabled.
Display for input power
Display for output power
Waterresistant
Designed and built in two weeks, because most parts are from the old solar boat of CleanMobility

This page is intended as a personal portfolio, and therefore the author cannot be held responsible for any errors. Feel free to use content from this page, provided the author is credited.