LIFEPO4 akademie

BMS Jiabaida and mobile phone

to configure BMS Jiabaida with BT module, use mobile application XIAOXIANG. It is available for Android and IOS. or simple application OVERKILL SOLAR which is available for IOS and Android BMS does not pair with mobile, APP BMS searches for itself. APP Xiaoxiang xiaoxiang-3.2.052.apk

BMS and charge controller

It is necessary to clarify the relationship between these two devices. The BMS takes care exclusively of the battery cells. It disconnects the battery from charging when the battery cells are in an emergency state, when the maximum battery voltage is exceeded, when the temperature is exceeded or when the temperature is below 0°C. It disconnects the battery from the load when the battery voltage…

LiFePO4 operation below 0 °C and above 25 °C

LiFePO4 batteries must not be charged below 0°C (including standard charging, fast charging and emergency charging), otherwise capacity reduction may occur. The battery management system (BMS) should stop charging when the temperature drops below the allowable value When attempting to charge a lithium battery below 0°C, a chemical reaction called “lithium plating” occurs. Lithium plating is…

What is BMS?

The basic condition for the safe operation of a battery composed of LIFEPO4 cells is the use of a suitable BMS (battery management system) which serves for Battery protection (disconnects the battery in case of undervoltage and overvoltage of any cell)Battery status monitoring (voltage, temperature, charging and discharging currents)Maximum utilization of battery capacity SOCEstimating battery…

assembly and use

How to assemble a battery and why are LiFePO4 battery cells compressed? Before assembly, check the integrity of the cell packaging. Use gloves and insulated assembly tools Al cell packaging has a certain potential and for safety reasons it is necessary to separate them from each other with a suitable insulator, glass fiber cutouts with a thickness of about 0.5 mm are best. I recommend installing…

LIFEPO4 operating voltage

set the charging parameters correctly (charge regulator). Keep the cells in the range of 3.1V - 3.40V (3.45V only during absorption). Absorption of 3.45V for a maximum of 10-30 minutes (needs to be tuned). Operating voltage above 3.5V per cell leads to gradual delamination (inflating) of the cell If we look at the charge-discharge graph for a typical LIFEPO4 cell, we see that above 3.4V the…

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